Added caching / avoid orphans mechanisms

Dockerfiles/agent/alpine/Dockerfile

@@ -66,8 +66,7 @@ RUN set -eux && \
     mkdir -p /var/lib/zabbix/modules && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
-    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
+    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/
-    rm -rf /var/cache/apk/*
 
 EXPOSE 10050/TCP
 

Dockerfiles/agent/centos/Dockerfile

@@ -31,7 +31,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_get/zabbix_get", "/u
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender", "/usr/bin/zabbix_sender"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_agentd.conf", "/etc/zabbix/zabbix_agentd.conf"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     REPOLIST="baseos,appstream,epel" && \
     INSTALL_PKGS="bash \
             tini \
@@ -68,9 +69,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    dnf -y clean all && \
+    dnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10050/TCP
 

Dockerfiles/agent/ol/Dockerfile

@@ -32,7 +32,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_agentd.conf", "/etc/zabbix/zabbix_agentd.conf"]
 COPY ["conf/etc/yum.repos.d/oracle-epel-ol8.repo", "/etc/yum.repos.d/oracle-epel-ol8.repo"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             tini \
             tzdata \
@@ -47,6 +48,7 @@ RUN set -eux && \
             --enablerepo="ol8_appstream" \
             --enablerepo="ol8_developer_EPEL" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --nodocs \
         ${INSTALL_PKGS} && \
@@ -70,9 +72,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10050/TCP
 

Dockerfiles/agent/rhel/Dockerfile

@@ -50,7 +50,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_get/zabbix_get", "/u
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender", "/usr/bin/zabbix_sender"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_agentd.conf", "/etc/zabbix/zabbix_agentd.conf"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             tini \
             tzdata \
@@ -66,12 +67,14 @@ RUN set -eux && \
             --enablerepo "ubi-8-baseos-rpms" \
             --enablerepo "epel" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
         ${INSTALL_PKGS} && \
     microdnf -y reinstall \
             --enablerepo "ubi-8-baseos-rpms" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
         tzdata && \
@@ -95,9 +98,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10050/TCP
 

Dockerfiles/agent/ubuntu/Dockerfile

@@ -31,7 +31,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_get/zabbix_get", "/u
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender", "/usr/bin/zabbix_sender"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_agentd.conf", "/etc/zabbix/zabbix_agentd.conf"]
 
-RUN set -eux && \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
+    set -eux && \
     echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d && \
     INSTALL_PKGS="bash \
             tini \
@@ -67,8 +68,7 @@ RUN set -eux && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
     apt-get -y autoremove && \
-    apt-get -y clean && \
+    apt-get -y clean
-    rm -rf /var/lib/apt/lists/*
 
 EXPOSE 10050/TCP
 

Dockerfiles/agent2/alpine/Dockerfile

@@ -71,8 +71,7 @@ RUN set -eux && \
     mkdir -p /var/lib/zabbix/buffer && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
-    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
+    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/
-    rm -rf /var/cache/apk/*
 
 EXPOSE 10050/TCP 31999/TCP
 

Dockerfiles/agent2/centos/Dockerfile

@@ -36,7 +36,8 @@ COPY --from=builder ["/tmp/postgresql_plugin/postgresql.conf", "/etc/zabbix/zabb
 COPY --from=builder ["/tmp/mongodb_plugin/zabbix-agent2-plugin-mongodb", "/usr/sbin/zabbix-agent2-plugin/zabbix-agent2-plugin-mongodb"]
 COPY --from=builder ["/tmp/postgresql_plugin/zabbix-agent2-plugin-postgresql", "/usr/sbin/zabbix-agent2-plugin/zabbix-agent2-plugin-postgresql"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     REPOLIST="baseos,appstream,epel" && \
     INSTALL_PKGS="bash \
             tini \
@@ -77,9 +78,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
-    dnf -y clean all && \
+    dnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10050/TCP 31999/TCP
 

Dockerfiles/agent2/ol/Dockerfile

@@ -37,7 +37,8 @@ COPY --from=builder ["/tmp/mongodb_plugin/zabbix-agent2-plugin-mongodb", "/usr/s
 COPY --from=builder ["/tmp/postgresql_plugin/zabbix-agent2-plugin-postgresql", "/usr/sbin/zabbix-agent2-plugin/zabbix-agent2-plugin-postgresql"]
 COPY ["conf/etc/yum.repos.d/oracle-epel-ol8.repo", "/etc/yum.repos.d/oracle-epel-ol8.repo"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             tini \
             tzdata \
@@ -53,6 +54,7 @@ RUN set -eux && \
             --enablerepo="ol8_appstream" \
             --enablerepo="ol8_developer_EPEL" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --nodocs \
         ${INSTALL_PKGS} && \
@@ -78,9 +80,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10050/TCP 31999/TCP
 

Dockerfiles/agent2/rhel/Dockerfile

@@ -55,7 +55,8 @@ COPY --from=builder ["/tmp/postgresql_plugin/postgresql.conf", "/etc/zabbix/zabb
 COPY --from=builder ["/tmp/mongodb_plugin/zabbix-agent2-plugin-mongodb", "/usr/sbin/zabbix-agent2-plugin/zabbix-agent2-plugin-mongodb"]
 COPY --from=builder ["/tmp/postgresql_plugin/zabbix-agent2-plugin-postgresql", "/usr/sbin/zabbix-agent2-plugin/zabbix-agent2-plugin-postgresql"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             tini \
             tzdata \
@@ -73,12 +74,14 @@ RUN set -eux && \
             --enablerepo "ubi-8-baseos-rpms" \
             --enablerepo "epel" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
         ${INSTALL_PKGS} && \
     microdnf -y reinstall \
             --enablerepo "ubi-8-baseos-rpms" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
         tzdata && \
@@ -104,9 +107,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10050/TCP 31999/TCP
 

Dockerfiles/agent2/ubuntu/Dockerfile

@@ -36,7 +36,8 @@ COPY --from=builder ["/tmp/postgresql_plugin/postgresql.conf", "/etc/zabbix/zabb
 COPY --from=builder ["/tmp/mongodb_plugin/zabbix-agent2-plugin-mongodb", "/usr/sbin/zabbix-agent2-plugin/zabbix-agent2-plugin-mongodb"]
 COPY --from=builder ["/tmp/postgresql_plugin/zabbix-agent2-plugin-postgresql", "/usr/sbin/zabbix-agent2-plugin/zabbix-agent2-plugin-postgresql"]
 
-RUN set -eux && \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
+    set -eux && \
     echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d && \
     INSTALL_PKGS="tini \
             tzdata \
@@ -74,8 +75,7 @@ RUN set -eux && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ /usr/sbin/zabbix-agent2-plugin/ && \
     apt-get -y autoremove && \
-    apt-get -y clean && \
+    apt-get -y clean
-    rm -rf /var/lib/apt/lists/*
 
 EXPOSE 10050/TCP
 

Dockerfiles/build-base/ubuntu/Dockerfile

@@ -17,7 +17,7 @@ LABEL org.opencontainers.image.authors="Alexey Pustovalov <alexey.pustovalov@zab
       org.opencontainers.image.vendor="Zabbix LLC" \
       org.opencontainers.image.version="${ZBX_VERSION}"
 
-RUN --mount=type=cache,target=/var/lib/apt,sharing=locked \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
     set -eux && \
     INSTALL_PKGS="bash \
             autoconf \

Dockerfiles/java-gateway/alpine/Dockerfile

@@ -70,8 +70,7 @@ RUN set -eux && \
     mv /usr/sbin/zabbix_java/lib/logback-console.xml /etc/zabbix/zabbix_java_gateway_logback.xml && \
     chown --quiet -R zabbix:root /etc/zabbix/ /usr/sbin/zabbix_java/ && \
     chgrp -R 0 /etc/zabbix/ /usr/sbin/zabbix_java/ && \
-    chmod -R g=u /etc/zabbix/ /usr/sbin/zabbix_java/ && \
+    chmod -R g=u /etc/zabbix/ /usr/sbin/zabbix_java/
-    rm -rf /var/cache/apk/*
 
 EXPOSE 10052/TCP
 

Dockerfiles/java-gateway/centos/Dockerfile

@@ -29,7 +29,8 @@ STOPSIGNAL SIGTERM
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_java/bin", "/usr/sbin/zabbix_java/bin"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_java/lib", "/usr/sbin/zabbix_java/lib"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     REPOLIST="baseos,appstream" && \
     INSTALL_PKGS="bash \
             java-17-openjdk-headless \
@@ -61,9 +62,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /usr/sbin/zabbix_java/ && \
     chgrp -R 0 /etc/zabbix/ /usr/sbin/zabbix_java/ && \
     chmod -R g=u /etc/zabbix/ /usr/sbin/zabbix_java/ && \
-    dnf -y clean all && \
+    dnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10052/TCP
 

Dockerfiles/java-gateway/ol/Dockerfile

@@ -29,7 +29,8 @@ STOPSIGNAL SIGTERM
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_java/bin", "/usr/sbin/zabbix_java/bin"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_java/lib", "/usr/sbin/zabbix_java/lib"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             java-17-openjdk-headless \
             findutils" && \
@@ -38,6 +39,7 @@ RUN set -eux && \
             --enablerepo="ol8_baseos_latest" \
             --enablerepo="ol8_appstream" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --nodocs \
         ${INSTALL_PKGS} && \
@@ -61,9 +63,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /usr/sbin/zabbix_java/ && \
     chgrp -R 0 /etc/zabbix/ /usr/sbin/zabbix_java/ && \
     chmod -R g=u /etc/zabbix/ /usr/sbin/zabbix_java/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10052/TCP
 

Dockerfiles/java-gateway/rhel/Dockerfile

@@ -48,7 +48,8 @@ COPY ["licenses", "/licenses"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_java/bin", "/usr/sbin/zabbix_java/bin"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_java/lib", "/usr/sbin/zabbix_java/lib"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             findutils \
             shadow-utils \
@@ -58,6 +59,7 @@ RUN set -eux && \
             --enablerepo "ubi-8-baseos-rpms" \
             --enablerepo "ubi-8-appstream-rpms" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
         ${INSTALL_PKGS} && \
@@ -81,9 +83,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /usr/sbin/zabbix_java/ && \
     chgrp -R 0 /etc/zabbix/ /usr/sbin/zabbix_java/ && \
     chmod -R g=u /etc/zabbix/ /usr/sbin/zabbix_java/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10052/TCP
 

Dockerfiles/java-gateway/ubuntu/Dockerfile

@@ -29,7 +29,8 @@ STOPSIGNAL SIGTERM
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_java/bin", "/usr/sbin/zabbix_java/bin"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_java/lib", "/usr/sbin/zabbix_java/lib"]
 
-RUN set -eux && \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
+    set -eux && \
     echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d && \
     INSTALL_PKGS="bash \
             openjdk-17-jre-headless" && \
@@ -58,8 +59,7 @@ RUN set -eux && \
     chgrp -R 0 /etc/zabbix/ /usr/sbin/zabbix_java/ && \
     chmod -R g=u /etc/zabbix/ /usr/sbin/zabbix_java/ && \
     apt-get -y autoremove && \
-    apt-get -y clean && \
+    apt-get -y clean
-    rm -rf /var/lib/apt/lists/*
 
 EXPOSE 10052/TCP
 

Dockerfiles/proxy-mysql/alpine/Dockerfile

@@ -88,8 +88,7 @@ RUN set -eux && \
     mkdir -p /usr/share/doc/zabbix-proxy-mysql && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
-    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
+    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/
-    rm -rf /var/cache/apk/*
 
 EXPOSE 10051/TCP
 

Dockerfiles/proxy-mysql/centos/Dockerfile

@@ -34,7 +34,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_proxy.conf", "/etc/zabbix/zabbix_proxy.conf"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/mysql/create_proxy.sql.gz", "/usr/share/doc/zabbix-proxy-mysql/create.sql.gz"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     REPOLIST="baseos,appstream,epel" && \
     INSTALL_PKGS="libevent \
             tini \
@@ -93,9 +94,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    dnf -y clean all && \
+    dnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10051/TCP
 

Dockerfiles/proxy-mysql/ol/Dockerfile

@@ -35,7 +35,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_proxy.conf", "/etc/
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/mysql/create_proxy.sql.gz", "/usr/share/doc/zabbix-proxy-mysql/create.sql.gz"]
 COPY ["conf/etc/yum.repos.d/oracle-epel-ol8.repo", "/etc/yum.repos.d/oracle-epel-ol8.repo"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="libevent \
             tini \
             traceroute \
@@ -60,6 +61,7 @@ RUN set -eux && \
             --enablerepo="ol8_appstream" \
             --enablerepo="ol8_developer_EPEL" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --nodocs \
         ${INSTALL_PKGS} && \
@@ -93,9 +95,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10051/TCP
 

Dockerfiles/proxy-mysql/rhel/Dockerfile

@@ -53,7 +53,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_proxy.conf", "/etc/zabbix/zabbix_proxy.conf"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/mysql/create_proxy.sql.gz", "/usr/share/doc/zabbix-proxy-mysql/create.sql.gz"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             tini \
             traceroute \
@@ -85,6 +86,7 @@ RUN set -eux && \
             --enablerepo "rhel-8-for-x86_64-appstream-rpms" \
             --enablerepo "epel" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
         ${INSTALL_PKGS} && \
@@ -124,9 +126,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 
 EXPOSE 10051/TCP

Dockerfiles/proxy-mysql/ubuntu/Dockerfile

@@ -35,7 +35,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_proxy.conf", "/etc/zabbix/zabbix_proxy.conf"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/mysql/create_proxy.sql.gz", "/usr/share/doc/zabbix-proxy-mysql/create.sql.gz"]
 
-RUN set -eux && \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
+    set -eux && \
     echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d && \
     INSTALL_PKGS="bash \
             tini \
@@ -91,8 +92,7 @@ RUN set -eux && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
     apt-get -y autoremove && \
-    apt-get -y clean && \
+    apt-get -y clean
-    rm -rf /var/lib/apt/lists/*
 
 EXPOSE 10051/TCP
 

Dockerfiles/proxy-sqlite3/alpine/Dockerfile

@@ -85,8 +85,7 @@ RUN set -eux && \
     mkdir -p /var/lib/zabbix/ssl/ssl_ca && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
-    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
+    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/
-    rm -rf /var/cache/apk/*
 
 EXPOSE 10051/TCP
 

Dockerfiles/proxy-sqlite3/centos/Dockerfile

@@ -33,7 +33,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_get/zabbix_get", "/u
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender", "/usr/bin/zabbix_sender"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_proxy.conf", "/etc/zabbix/zabbix_proxy.conf"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     REPOLIST="baseos,appstream,epel" && \
     INSTALL_PKGS="libevent \
             tini \
@@ -88,9 +89,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    dnf -y clean all && \
+    dnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10051/TCP
 

Dockerfiles/proxy-sqlite3/ol/Dockerfile

@@ -34,7 +34,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_proxy.conf", "/etc/zabbix/zabbix_proxy.conf"]
 COPY ["conf/etc/yum.repos.d/oracle-epel-ol8.repo", "/etc/yum.repos.d/oracle-epel-ol8.repo"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="libevent \
             tini \
             traceroute \
@@ -56,6 +57,7 @@ RUN set -eux && \
             --enablerepo="ol8_appstream" \
             --enablerepo="ol8_developer_EPEL" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --nodocs \
         ${INSTALL_PKGS} && \
@@ -89,9 +91,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10051/TCP
 

Dockerfiles/proxy-sqlite3/rhel/Dockerfile

@@ -52,7 +52,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_get/zabbix_get", "/u
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender", "/usr/bin/zabbix_sender"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_proxy.conf", "/etc/zabbix/zabbix_proxy.conf"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             tini \
             traceroute \
@@ -80,12 +81,14 @@ RUN set -eux && \
             --enablerepo "rhel-8-for-x86_64-baseos-rpms" \
             --enablerepo "epel" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
         ${INSTALL_PKGS} && \
     microdnf -y reinstall \
             --enablerepo "ubi-8-baseos-rpms" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
         tzdata && \
@@ -119,9 +122,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10051/TCP
 

Dockerfiles/proxy-sqlite3/ubuntu/Dockerfile

@@ -33,7 +33,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_get/zabbix_get", "/u
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender", "/usr/bin/zabbix_sender"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_proxy.conf", "/etc/zabbix/zabbix_proxy.conf"]
 
-RUN set -eux && \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
+    set -eux && \
     echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d && \
     INSTALL_PKGS="bash \
             tini \
@@ -86,8 +87,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    apt-get -y autoremove && \
+    apt-get -y autoremove
-    rm -rf /var/lib/apt/lists/*
 
 EXPOSE 10051/TCP
 

Dockerfiles/server-mysql/alpine/Dockerfile

@@ -94,8 +94,7 @@ RUN set -eux && \
     mkdir -p /usr/share/doc/zabbix-server-mysql && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
-    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
+    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/
-    rm -rf /var/cache/apk/*
 
 EXPOSE 10051/TCP
 

Dockerfiles/server-mysql/centos/Dockerfile

@@ -34,7 +34,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_server.conf", "/etc/zabbix/zabbix_server.conf"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/mysql/create_server.sql.gz", "/usr/share/doc/zabbix-server-mysql/create.sql.gz"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     REPOLIST="baseos,appstream,epel" && \
     INSTALL_PKGS="fping \
             tini \
@@ -101,9 +102,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    dnf -y clean all && \
+    dnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10051/TCP
 

Dockerfiles/server-mysql/ol/Dockerfile

@@ -35,7 +35,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_server.conf", "/etc
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/mysql/create_server.sql.gz", "/usr/share/doc/zabbix-server-mysql/create.sql.gz"]
 COPY ["conf/etc/yum.repos.d/oracle-epel-ol8.repo", "/etc/yum.repos.d/oracle-epel-ol8.repo"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             fping \
             tini \
@@ -64,6 +65,7 @@ RUN set -eux && \
             --enablerepo="ol8_appstream" \
             --enablerepo="ol8_developer_EPEL" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --nodocs \
         ${INSTALL_PKGS} && \
@@ -102,9 +104,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10051/TCP
 

Dockerfiles/server-mysql/rhel/Dockerfile

@@ -53,7 +53,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_server.conf", "/etc/zabbix/zabbix_server.conf"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/mysql/create_server.sql.gz", "/usr/share/doc/zabbix-server-mysql/create.sql.gz"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             tini \
             traceroute \
@@ -87,12 +88,14 @@ RUN set -eux && \
             --enablerepo "rhel-8-for-x86_64-appstream-rpms" \
             --enablerepo "epel" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
         ${INSTALL_PKGS} && \
     microdnf -y reinstall \
             --enablerepo "ubi-8-baseos-rpms" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
         tzdata && \
@@ -131,9 +134,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10051/TCP
 

Dockerfiles/server-mysql/ubuntu/Dockerfile

@@ -34,7 +34,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/zabbix_sender/zabbix_sender
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_server.conf", "/etc/zabbix/zabbix_server.conf"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/mysql/create_server.sql.gz", "/usr/share/doc/zabbix-server-mysql/create.sql.gz"]
 
-RUN set -eux && \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
+    set -eux && \
     echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d && \
     INSTALL_PKGS="bash \
             tini \
@@ -98,8 +99,7 @@ RUN set -eux && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
     apt-get -y autoremove && \
-    apt-get -y clean && \
+    apt-get -y clean
-    rm -rf /var/lib/apt/lists/*
 
 EXPOSE 10051/TCP
 

Dockerfiles/server-pgsql/alpine/Dockerfile

@@ -95,8 +95,7 @@ RUN set -eux && \
     mkdir -p /usr/share/doc/zabbix-server-postgresql && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
-    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
+    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/
-    rm -rf /var/cache/apk/*
 
 EXPOSE 10051/TCP
 

Dockerfiles/server-pgsql/centos/Dockerfile

@@ -35,7 +35,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_server.conf", "/etc
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/postgresql/create_server.sql.gz", "/usr/share/doc/zabbix-server-postgresql/create.sql.gz"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/postgresql/timescaledb.sql", "/usr/share/doc/zabbix-server-postgresql/timescaledb.sql"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     REPOLIST="baseos,appstream,epel" && \
     INSTALL_PKGS="fping \
             file-libs \
@@ -101,9 +102,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    dnf -y clean all && \
+    dnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10051/TCP
 

Dockerfiles/server-pgsql/ol/Dockerfile

@@ -36,7 +36,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/postgresql/create_serv
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/postgresql/timescaledb.sql", "/usr/share/doc/zabbix-server-postgresql/timescaledb.sql"]
 COPY ["conf/etc/yum.repos.d/oracle-epel-ol8.repo", "/etc/yum.repos.d/oracle-epel-ol8.repo"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="fping \
             file-libs \
             tini \
@@ -64,6 +65,7 @@ RUN set -eux && \
             --enablerepo="ol8_appstream" \
             --enablerepo="ol8_developer_EPEL" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --nodocs \
         ${INSTALL_PKGS} && \
@@ -102,9 +104,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10051/TCP
 

Dockerfiles/server-pgsql/ubuntu/Dockerfile

@@ -35,7 +35,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/conf/zabbix_server.conf", "/etc
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/postgresql/create_server.sql.gz", "/usr/share/doc/zabbix-server-postgresql/create.sql.gz"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/database/postgresql/timescaledb.sql", "/usr/share/doc/zabbix-server-postgresql/timescaledb.sql"]
 
-RUN set -eux && \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
+    set -eux && \
     echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d && \
     INSTALL_PKGS="bash \
             tini \
@@ -99,8 +100,7 @@ RUN set -eux && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
     apt-get -y autoremove && \
-    apt-get -y clean && \
+    apt-get -y clean
-    rm -rf /var/lib/apt/lists/*
 
 EXPOSE 10051/TCP
 

Dockerfiles/snmptraps/alpine/Dockerfile

@@ -48,8 +48,7 @@ RUN set -eux && \
     touch /var/lib/net-snmp/snmptrapd.conf && \
     chown --quiet -R zabbix:root /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
     chgrp -R 0 /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
-    chmod -R g=u /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
+    chmod -R g=u /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/
-    rm -rf /var/cache/apk/*
 
 EXPOSE 1162/UDP
 

Dockerfiles/snmptraps/centos/Dockerfile

@@ -21,7 +21,8 @@ LABEL org.opencontainers.image.authors="Alexey Pustovalov <alexey.pustovalov@zab
 
 STOPSIGNAL SIGTERM
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     REPOLIST="baseos,appstream" && \
     INSTALL_PKGS="bash \
             tzdata \
@@ -52,9 +53,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
     chgrp -R 0 /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
     chmod -R g=u /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
-    dnf -y clean all && \
+    dnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 1162/UDP
 

Dockerfiles/snmptraps/ol/Dockerfile

@@ -21,7 +21,8 @@ LABEL org.opencontainers.image.authors="Alexey Pustovalov <alexey.pustovalov@zab
 
 STOPSIGNAL SIGTERM
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             tzdata \
             net-snmp" && \
@@ -30,6 +31,7 @@ RUN set -eux && \
             --enablerepo="ol8_baseos_latest" \
             --enablerepo="ol8_appstream" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --nodocs \
         ${INSTALL_PKGS} && \
@@ -52,9 +54,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
     chgrp -R 0 /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
     chmod -R g=u /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 1162/UDP
 

Dockerfiles/snmptraps/rhel/Dockerfile

@@ -42,7 +42,8 @@ STOPSIGNAL SIGTERM
 
 COPY ["licenses", "/licenses"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             shadow-utils \
             tzdata \
@@ -52,6 +53,7 @@ RUN set -eux && \
             --enablerepo "ubi-8-baseos-rpms" \
             --enablerepo "ubi-8-appstream-rpms" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
         ${INSTALL_PKGS} && \
@@ -74,9 +76,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
     chgrp -R 0 /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
     chmod -R g=u /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 1162/UDP
 

Dockerfiles/snmptraps/ubuntu/Dockerfile

@@ -21,7 +21,8 @@ LABEL org.opencontainers.image.authors="Alexey Pustovalov <alexey.pustovalov@zab
 
 STOPSIGNAL SIGTERM
 
-RUN set -eux && \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
+    set -eux && \
     echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d && \
     INSTALL_PKGS="bash \
             tzdata \
@@ -49,8 +50,7 @@ RUN set -eux && \
     mkdir -p /var/lib/zabbix/mibs && \
     chown --quiet -R zabbix:root /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
     chgrp -R 0 /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
-    chmod -R g=u /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/ && \
+    chmod -R g=u /etc/snmp/ /var/lib/zabbix/ /var/tmp/ /var/run/
-    rm -rf /var/lib/apt/lists/*
 
 EXPOSE 1162/UDP
 

Dockerfiles/web-apache-mysql/alpine/Dockerfile

@@ -100,8 +100,7 @@ RUN set -eux && \
     chmod -R g=u /etc/zabbix/ /usr/share/zabbix/include/defines.inc.php /usr/share/zabbix/modules/ && \
     chown --quiet -R zabbix:root /etc/apache2/ /etc/php8/ && \
     chgrp -R 0 /etc/apache2/ /etc/php8/ && \
-    chmod -R g=u /etc/apache2/ /etc/php8/ && \
+    chmod -R g=u /etc/apache2/ /etc/php8/
-    rm -rf /var/cache/apk/*
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-apache-mysql/centos/Dockerfile

@@ -29,7 +29,8 @@ STOPSIGNAL SIGTERM
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/ui", "/usr/share/zabbix"]
 COPY ["conf/etc/", "/etc/"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     REPOLIST="baseos,appstream,epel" && \
     INSTALL_PKGS="bash \
             curl \
@@ -104,9 +105,7 @@ RUN set -eux && \
     dnf -y remove \
         findutils \
         glibc-locale-source && \
-    dnf -y clean all && \
+    dnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-apache-mysql/ol/Dockerfile

@@ -30,7 +30,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/ui", "/usr/share/zabbix"]
 COPY ["conf/etc/", "/etc/"]
 COPY ["conf/etc/yum.repos.d/oracle-epel-ol8.repo", "/etc/yum.repos.d/oracle-epel-ol8.repo"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             curl \
             httpd \
@@ -56,6 +57,7 @@ RUN set -eux && \
             --enablerepo="ol8_appstream" \
             --enablerepo="ol8_developer_EPEL" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --nodocs \
         ${INSTALL_PKGS} && \
@@ -105,9 +107,7 @@ RUN set -eux && \
     microdnf -y remove \
         findutils \
         glibc-locale-source && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-apache-mysql/ubuntu/Dockerfile

@@ -29,7 +29,8 @@ STOPSIGNAL SIGTERM
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/ui", "/usr/share/zabbix"]
 COPY ["conf/etc/", "/etc/"]
 
-RUN set -eux && \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
+    set -eux && \
     echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d && \
     INSTALL_PKGS="bash \
             apache2 \
@@ -100,8 +101,7 @@ RUN set -eux && \
     chgrp -R 0 /etc/apache2/ /etc/php/8.1/ && \
     chmod -R g=u /etc/apache2/ /etc/php/8.1/ && \
     apt-get -y autoremove && \
-    apt-get -y clean && \
+    apt-get -y clean
-    rm -rf /var/lib/apt/lists/*
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-apache-pgsql/alpine/Dockerfile

@@ -99,8 +99,7 @@ RUN set -eux && \
     chmod -R g=u /etc/zabbix/ /usr/share/zabbix/include/defines.inc.php /usr/share/zabbix/modules/ && \
     chown --quiet -R zabbix:root /etc/apache2/ /etc/php8/ && \
     chgrp -R 0 /etc/apache2/ /etc/php8/ && \
-    chmod -R g=u /etc/apache2/ /etc/php8/ && \
+    chmod -R g=u /etc/apache2/ /etc/php8/
-    rm -rf /var/cache/apk/*
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-apache-pgsql/centos/Dockerfile

@@ -29,7 +29,8 @@ STOPSIGNAL SIGTERM
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/ui", "/usr/share/zabbix"]
 COPY ["conf/etc/", "/etc/"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     REPOLIST="baseos,appstream,epel" && \
     INSTALL_PKGS="bash \
             curl \
@@ -55,6 +56,7 @@ RUN set -eux && \
             --enablerepo "${REPOLIST}" \
             --setopt=tsflags=nodocs \
             --setopt=install_weak_deps=False \
+            --setopt=keepcache=0 \
             --best \
         ${INSTALL_PKGS} && \
     groupadd \
@@ -103,9 +105,7 @@ RUN set -eux && \
     dnf -y remove \
         findutils \
         glibc-locale-source && \
-    dnf -y clean all && \
+    dnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-apache-pgsql/ol/Dockerfile

@@ -30,7 +30,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/ui", "/usr/share/zabbix"]
 COPY ["conf/etc/", "/etc/"]
 COPY ["conf/etc/yum.repos.d/oracle-epel-ol8.repo", "/etc/yum.repos.d/oracle-epel-ol8.repo"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             curl \
             httpd \
@@ -56,6 +57,7 @@ RUN set -eux && \
             --enablerepo="ol8_appstream" \
             --enablerepo="ol8_developer_EPEL" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --nodocs \
         ${INSTALL_PKGS} && \
@@ -105,9 +107,7 @@ RUN set -eux && \
     microdnf -y remove \
         findutils \
         glibc-locale-source && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-apache-pgsql/ubuntu/Dockerfile

@@ -29,7 +29,8 @@ STOPSIGNAL SIGTERM
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/ui", "/usr/share/zabbix"]
 COPY ["conf/etc/", "/etc/"]
 
-RUN set -eux && \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
+    set -eux && \
     echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d && \
     INSTALL_PKGS="bash \
             apache2 \
@@ -100,8 +101,7 @@ RUN set -eux && \
     chgrp -R 0 /etc/apache2/ /etc/php/8.1/ && \
     chmod -R g=u /etc/apache2/ /etc/php/8.1/ && \
     apt-get -y autoremove && \
-    apt-get -y clean && \
+    apt-get -y clean
-    rm -rf /var/lib/apt/lists/*
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-nginx-mysql/alpine/Dockerfile

@@ -98,8 +98,7 @@ RUN set -eux && \
     chmod -R g=u /etc/nginx/ /etc/php8/php-fpm.d/ /etc/php8/php-fpm.conf && \
     chown --quiet -R zabbix:root /var/lib/php/session/ /var/lib/nginx/ && \
     chgrp -R 0 /var/lib/php/session/ /var/lib/nginx/ && \
-    chmod -R g=u /var/lib/php/session/ /var/lib/nginx/ && \
+    chmod -R g=u /var/lib/php/session/ /var/lib/nginx/
-    rm -rf /var/cache/apk/*
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-nginx-mysql/centos/Dockerfile

@@ -29,7 +29,8 @@ STOPSIGNAL SIGTERM
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/ui", "/usr/share/zabbix"]
 COPY ["conf/etc/", "/etc/"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     REPOLIST="baseos,appstream,epel" && \
     INSTALL_PKGS="bash \
             curl \
@@ -99,9 +100,7 @@ RUN set -eux && \
     dnf -y remove \
             findutils \
             glibc-locale-source && \
-    dnf -y clean all && \
+    dnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-nginx-mysql/ol/Dockerfile

@@ -30,7 +30,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/ui", "/usr/share/zabbix"]
 COPY ["conf/etc/", "/etc/"]
 COPY ["conf/etc/yum.repos.d/oracle-epel-ol8.repo", "/etc/yum.repos.d/oracle-epel-ol8.repo"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             curl \
             mysql \
@@ -54,6 +55,7 @@ RUN set -eux && \
             --enablerepo="ol8_appstream" \
             --enablerepo="ol8_developer_EPEL" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --nodocs \
         ${INSTALL_PKGS} && \
@@ -100,9 +102,7 @@ RUN set -eux && \
     microdnf -y remove \
             findutils \
             glibc-locale-source && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-nginx-mysql/rhel/Dockerfile

@@ -48,7 +48,8 @@ COPY ["licenses", "/licenses"]
 COPY ["conf/etc/", "/etc/"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/ui", "/usr/share/zabbix"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             tzdata \
             curl \
@@ -79,6 +80,7 @@ RUN set -eux && \
             --enablerepo "rhel-8-for-x86_64-appstream-rpms" \
             --enablerepo "epel" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
         ${INSTALL_PKGS} && \
@@ -87,6 +89,7 @@ RUN set -eux && \
             --setopt=install_weak_deps=0 \
             --best \
             --setopt=tsflags=nodocs \
+            --setopt=keepcache=0 \
         tzdata && \
     groupadd \
             --system \
@@ -132,9 +135,7 @@ RUN set -eux && \
     microdnf -y remove \
             findutils \
             glibc-locale-source && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-nginx-mysql/ubuntu/Dockerfile

@@ -29,7 +29,8 @@ STOPSIGNAL SIGTERM
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/ui", "/usr/share/zabbix"]
 COPY ["conf/etc/", "/etc/"]
 
-RUN set -eux && \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
+    set -eux && \
     echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d && \
     INSTALL_PKGS="bash \
             ca-certificates \
@@ -121,8 +122,7 @@ RUN set -eux && \
             dirmngr \
             gpg-agent && \
     apt-get -y autoremove && \
-    apt-get -y clean && \
+    apt-get -y clean
-    rm -rf /var/lib/apt/lists/*
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-nginx-pgsql/alpine/Dockerfile

@@ -97,8 +97,7 @@ RUN set -eux && \
     chmod -R g=u /etc/nginx/ /etc/php8/php-fpm.d/ /etc/php8/php-fpm.conf && \
     chown --quiet -R zabbix:root /var/lib/php/session/ /var/lib/nginx/ && \
     chgrp -R 0 /var/lib/php/session/ /var/lib/nginx/ && \
-    chmod -R g=u /var/lib/php/session/ /var/lib/nginx/ && \
+    chmod -R g=u /var/lib/php/session/ /var/lib/nginx/
-    rm -rf /var/cache/apk/*
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-nginx-pgsql/centos/Dockerfile

@@ -29,7 +29,8 @@ STOPSIGNAL SIGTERM
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/ui", "/usr/share/zabbix"]
 COPY ["conf/etc/", "/etc/"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     REPOLIST="baseos,appstream,epel" && \
     INSTALL_PKGS="bash \
             curl \
@@ -98,9 +99,7 @@ RUN set -eux && \
     dnf -y remove \
             findutils \
             glibc-locale-source && \
-    dnf -y clean all && \
+    dnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-nginx-pgsql/ol/Dockerfile

@@ -30,7 +30,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/ui", "/usr/share/zabbix"]
 COPY ["conf/etc/", "/etc/"]
 COPY ["conf/etc/yum.repos.d/oracle-epel-ol8.repo", "/etc/yum.repos.d/oracle-epel-ol8.repo"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             curl \
             findutils \
@@ -54,6 +55,7 @@ RUN set -eux && \
             --enablerepo="ol8_appstream" \
             --enablerepo="ol8_developer_EPEL" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --nodocs \
         ${INSTALL_PKGS} && \
@@ -100,9 +102,7 @@ RUN set -eux && \
     microdnf -y remove \
             findutils \
             glibc-locale-source && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-nginx-pgsql/ubuntu/Dockerfile

@@ -29,7 +29,8 @@ STOPSIGNAL SIGTERM
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/ui", "/usr/share/zabbix"]
 COPY ["conf/etc/", "/etc/"]
 
-RUN set -eux && \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
+    set -eux && \
     echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d && \
     INSTALL_PKGS="bash \
             ca-certificates \
@@ -121,8 +122,7 @@ RUN set -eux && \
             dirmngr \
             gpg-agent && \
     apt-get -y autoremove && \
-    apt-get -y clean && \
+    apt-get -y clean
-    rm -rf /var/lib/apt/lists/*
 
 EXPOSE 8080/TCP 8443/TCP
 

Dockerfiles/web-service/alpine/Dockerfile

@@ -53,8 +53,7 @@ RUN set -eux && \
     mkdir -p /var/lib/zabbix && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
-    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
+    chmod -R g=u /etc/zabbix/ /var/lib/zabbix/
-    rm -rf /var/cache/apk/*
 
 EXPOSE 10053/TCP
 

Dockerfiles/web-service/centos/Dockerfile

@@ -30,7 +30,8 @@ STOPSIGNAL SIGTERM
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/go/bin/zabbix_web_service", "/usr/sbin/zabbix_web_service"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/go/conf/zabbix_web_service.conf", "/etc/zabbix/zabbix_web_service.conf"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     REPOLIST="baseos,appstream,epel" && \
     INSTALL_PKGS="bash \
             chromium-headless" && \
@@ -60,9 +61,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    dnf -y clean all && \
+    dnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10053/TCP
 

Dockerfiles/web-service/ol/Dockerfile

@@ -31,7 +31,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/go/bin/zabbix_web_service",
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/go/conf/zabbix_web_service.conf", "/etc/zabbix/zabbix_web_service.conf"]
 COPY ["conf/etc/yum.repos.d/oracle-epel-ol8.repo", "/etc/yum.repos.d/oracle-epel-ol8.repo"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             chromium-headless" && \
     microdnf -y install \
@@ -40,6 +41,7 @@ RUN set -eux && \
             --enablerepo="ol8_appstream" \
             --enablerepo="ol8_developer_EPEL" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --nodocs \
         ${INSTALL_PKGS} && \
@@ -61,9 +63,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10053/TCP
 

Dockerfiles/web-service/rhel/Dockerfile

@@ -49,7 +49,8 @@ COPY ["licenses", "/licenses"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/go/bin/zabbix_web_service", "/usr/sbin/zabbix_web_service"]
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/go/conf/zabbix_web_service.conf", "/etc/zabbix/zabbix_web_service.conf"]
 
-RUN set -eux && \
+RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
+    set -eux && \
     INSTALL_PKGS="bash \
             shadow-utils \
             chromium-headless" && \
@@ -64,6 +65,7 @@ RUN set -eux && \
             --enablerepo "rhel-8-for-x86_64-appstream-rpms" \
             --enablerepo "epel" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
         ${INSTALL_PKGS} && \
@@ -72,6 +74,7 @@ RUN set -eux && \
             --enablerepo "ubi-8-baseos-rpms" \
             --enablerepo "ubi-8-appstream-rpms" \
             --setopt=install_weak_deps=0 \
+            --setopt=keepcache=0 \
             --best \
             --setopt=tsflags=nodocs \
             nss nss-sysinit && \
@@ -89,9 +92,7 @@ RUN set -eux && \
     chown --quiet -R zabbix:root /etc/zabbix/ /var/lib/zabbix/ && \
     chgrp -R 0 /etc/zabbix/ /var/lib/zabbix/ && \
     chmod -R g=u /etc/zabbix/ /var/lib/zabbix/ && \
-    microdnf -y clean all && \
+    microdnf -y clean all
-    rm -rf /var/cache/yum /var/lib/yum/yumdb/* /usr/lib/udev/hwdb.d/* && \
-    rm -rf /var/cache/dnf /etc/udev/hwdb.bin /root/.pki
 
 EXPOSE 10053/TCP
 

Dockerfiles/web-service/ubuntu/Dockerfile

@@ -30,7 +30,8 @@ COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/go/bin/zabbix_web_service",
 COPY --from=builder ["/tmp/zabbix-${ZBX_VERSION}/src/go/conf/zabbix_web_service.conf", "/etc/zabbix/zabbix_web_service.conf"]
 COPY ["conf/etc/apt/preferences.d/chromium.pref", "/etc/apt/preferences.d/chromium.pref"]
 
-RUN set -eux && \
+RUN --mount=type=cache,target=/var/lib/apt/,sharing=locked \
+    set -eux && \
     echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d && \
     INSTALL_PKGS="bash \
             ca-certificates \
@@ -71,8 +72,7 @@ RUN set -eux && \
             purge \
         ${INSTALL_TEMP_PKGS} && \
     apt-get -y autoremove && \
-    apt-get -y clean && \
+    apt-get -y clean
-    rm -rf /var/lib/apt/lists/*
 
 EXPOSE 10053/TCP