diff --git a/ci-scripts/template-vars.yaml b/ci-scripts/template-vars.yaml
index 1049868..d535220 100644
--- a/ci-scripts/template-vars.yaml
+++ b/ci-scripts/template-vars.yaml
@@ -385,6 +385,15 @@ multiImages:
       - src/ubuntu/install/langpacks/**
       - src/ubuntu/install/cleanup/**
       - src/alpine/install/**
+  - name: alpine-320-desktop
+    singleapp: false
+    base: core-alpine-320
+    dockerfile: dockerfile-kasm-alpine-320-desktop
+    changeFiles:
+      - dockerfile-kasm-alpine-320-desktop
+      - src/ubuntu/install/langpacks/**
+      - src/ubuntu/install/cleanup/**
+      - src/alpine/install/**
   - name: brave
     singleapp: true
     base: core-ubuntu-focal
@@ -650,13 +659,6 @@ multiImages:
       - src/ubuntu/install/certificates/**
       - src/ubuntu/install/vivaldi/**
 singleImages:
-  - name: atom
-    singleapp: true
-    base: core-ubuntu-focal
-    dockerfile: dockerfile-kasm-atom
-    changeFiles:
-      - dockerfile-kasm-atom
-      - src/ubuntu/install/atom/**
   - name: blender
     singleapp: true
     base: core-ubuntu-focal
diff --git a/dockerfile-kasm-alpine-320-desktop b/dockerfile-kasm-alpine-320-desktop
new file mode 100644
index 0000000..5003a9c
--- /dev/null
+++ b/dockerfile-kasm-alpine-320-desktop
@@ -0,0 +1,54 @@
+ARG BASE_TAG="develop"
+ARG BASE_IMAGE="core-alpine-320"
+FROM kasmweb/$BASE_IMAGE:$BASE_TAG
+
+USER root
+
+ENV DISTRO=alpine320
+ENV HOME /home/kasm-default-profile
+ENV STARTUPDIR /dockerstartup
+WORKDIR $HOME
+
+### Envrionment config
+ENV SKIP_CLEAN=true \
+    INST_DIR=$STARTUPDIR/install \
+    INST_SCRIPTS="/alpine/install/tools/install_tools_deluxe.sh \
+                  /alpine/install/misc/install_tools.sh \
+                  /alpine/install/firefox/install_firefox.sh \
+                  /alpine/install/remmina/install_remmina.sh \
+                  /alpine/install/gimp/install_gimp.sh \
+                  /alpine/install/ansible/install_ansible.sh \
+                  /alpine/install/terraform/install_terraform.sh \
+                  /alpine/install/thunderbird/install_thunderbird.sh \
+                  /alpine/install/audacity/install_audacity.sh \
+                  /alpine/install/blender/install_blender.sh \
+                  /alpine/install/geany/install_geany.sh \
+                  /alpine/install/inkscape/install_inkscape.sh \
+                  /alpine/install/libre_office/install_libre_office.sh \
+                  /alpine/install/pinta/install_pinta.sh \
+                  /alpine/install/obs/install_obs.sh \
+                  /alpine/install/filezilla/install_filezilla.sh \
+                  /ubuntu/install/langpacks/install_langpacks.sh \
+                  /ubuntu/install/cleanup/cleanup.sh" 
+
+# Copy install scripts
+COPY ./src/ $INST_DIR
+
+# Run installations
+RUN \
+  for SCRIPT in $INST_SCRIPTS; do \
+    bash ${INST_DIR}${SCRIPT} || exit 1; \
+  done && \
+  $STARTUPDIR/set_user_permission.sh $HOME && \
+  rm -f /etc/X11/xinit/Xclients && \
+  chown 1000:0 $HOME && \
+  mkdir -p /home/kasm-user && \
+  chown -R 1000:0 /home/kasm-user && \
+  rm -Rf ${INST_DIR}
+
+# Userspace Runtime 
+ENV HOME /home/kasm-user
+WORKDIR $HOME
+USER 1000
+
+CMD ["--tail-log"]
diff --git a/dockerfile-kasm-ubuntu-focal-dind-rootless b/dockerfile-kasm-ubuntu-focal-dind-rootless
index 4731ef3..a59f989 100644
--- a/dockerfile-kasm-ubuntu-focal-dind-rootless
+++ b/dockerfile-kasm-ubuntu-focal-dind-rootless
@@ -9,25 +9,16 @@ ENV INST_SCRIPTS $STARTUPDIR/install
 WORKDIR $HOME
 
 # Rootless Dind
-ENV DOCKER_BIN=/usr/local/lib/docker \
-    XDG_RUNTIME_DIR=/docker 
-RUN mkdir -p $DOCKER_BIN && chown 1000:0 $DOCKER_BIN && \
-    mkdir -p $XDG_RUNTIME_DIR && chown 1000:0 $XDG_RUNTIME_DIR
-ENV PATH=$DOCKER_BIN:$DOCKER_BIN/cli-plugins:$PATH \
-        DOCKER_HOST=unix://$XDG_RUNTIME_DIR/docker.sock
-COPY ./src/ubuntu/install/dind_rootless/install_dind_rootless_prerequisites.sh $INST_SCRIPTS/dind_rootless/
-RUN bash $INST_SCRIPTS/dind_rootless/install_dind_rootless_prerequisites.sh
 COPY ./src/ubuntu/install/dind_rootless/install_dind_rootless.sh $INST_SCRIPTS/dind_rootless/
-RUN chown 1000:1000 $INST_SCRIPTS/dind_rootless/install_dind_rootless.sh
-# It's recommended that docker-rootless be installed by non root user
-USER 1000
 RUN bash $INST_SCRIPTS/dind_rootless/install_dind_rootless.sh
-USER root
 RUN rm -rf $INST_SCRIPTS/dind_rootless
 COPY ./src/ubuntu/install/dind_rootless/custom_startup.sh $STARTUPDIR/custom_startup.sh
 RUN chmod +x $STARTUPDIR/custom_startup.sh && chmod 755 $STARTUPDIR/custom_startup.sh
 COPY ./src/ubuntu/install/dind_rootless/modprobe /usr/local/bin/modprobe
 RUN chmod +x /usr/local/bin/modprobe
+ENV XDG_RUNTIME_DIR=/docker \
+    DOCKER_HOST=unix:///docker/docker.sock
+RUN mkdir -p $XDG_RUNTIME_DIR && chown 1000:0 $XDG_RUNTIME_DIR
 
 ### Envrionment config
 ENV DEBIAN_FRONTEND=noninteractive \
diff --git a/dockerfile-kasm-ubuntu-jammy-dind-rootless b/dockerfile-kasm-ubuntu-jammy-dind-rootless
index d1522b4..46b38b4 100644
--- a/dockerfile-kasm-ubuntu-jammy-dind-rootless
+++ b/dockerfile-kasm-ubuntu-jammy-dind-rootless
@@ -9,25 +9,16 @@ ENV INST_SCRIPTS $STARTUPDIR/install
 WORKDIR $HOME
 
 # Rootless Dind
-ENV DOCKER_BIN=/usr/local/lib/docker \
-    XDG_RUNTIME_DIR=/docker 
-RUN mkdir -p $DOCKER_BIN && chown 1000:0 $DOCKER_BIN && \
-    mkdir -p $XDG_RUNTIME_DIR && chown 1000:0 $XDG_RUNTIME_DIR
-ENV PATH=$DOCKER_BIN:$DOCKER_BIN/cli-plugins:$PATH \
-        DOCKER_HOST=unix://$XDG_RUNTIME_DIR/docker.sock
-COPY ./src/ubuntu/install/dind_rootless/install_dind_rootless_prerequisites.sh $INST_SCRIPTS/dind_rootless/
-RUN bash $INST_SCRIPTS/dind_rootless/install_dind_rootless_prerequisites.sh
 COPY ./src/ubuntu/install/dind_rootless/install_dind_rootless.sh $INST_SCRIPTS/dind_rootless/
-RUN chown 1000:1000 $INST_SCRIPTS/dind_rootless/install_dind_rootless.sh
-# It's recommended that docker-rootless be installed by non root user
-USER 1000
 RUN bash $INST_SCRIPTS/dind_rootless/install_dind_rootless.sh
-USER root
 RUN rm -rf $INST_SCRIPTS/dind_rootless
 COPY ./src/ubuntu/install/dind_rootless/custom_startup.sh $STARTUPDIR/custom_startup.sh
 RUN chmod +x $STARTUPDIR/custom_startup.sh && chmod 755 $STARTUPDIR/custom_startup.sh
 COPY ./src/ubuntu/install/dind_rootless/modprobe /usr/local/bin/modprobe
 RUN chmod +x /usr/local/bin/modprobe
+ENV XDG_RUNTIME_DIR=/docker \
+    DOCKER_HOST=unix:///docker/docker.sock
+RUN mkdir -p $XDG_RUNTIME_DIR && chown 1000:0 $XDG_RUNTIME_DIR
 
 ### Envrionment config
 ENV DEBIAN_FRONTEND=noninteractive \
diff --git a/src/alpine/install/terraform/install_terraform.sh b/src/alpine/install/terraform/install_terraform.sh
index 1a917ce..bab7b3e 100644
--- a/src/alpine/install/terraform/install_terraform.sh
+++ b/src/alpine/install/terraform/install_terraform.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -ex
 
-if grep -q v3.19 /etc/os-release; then
+if grep -q v3.19 /etc/os-release || grep -q v3.20 /etc/os-release; then
   apk add --no-cache --repository=http://dl-cdn.alpinelinux.org/alpine/edge/testing/ \
     opentofu
 else
diff --git a/src/ubuntu/install/brave/install_brave.sh b/src/ubuntu/install/brave/install_brave.sh
index 93b0981..e1809ea 100644
--- a/src/ubuntu/install/brave/install_brave.sh
+++ b/src/ubuntu/install/brave/install_brave.sh
@@ -7,9 +7,9 @@ CHROME_ARGS="--password-store=basic --no-sandbox --ignore-gpu-blocklist --user-d
 apt-get update
 apt install -y  apt-transport-https curl
 
-curl -s https://brave-browser-apt-release.s3.brave.com/brave-core.asc |  apt-key --keyring /etc/apt/trusted.gpg.d/brave-browser-release.gpg add -
+curl -fsSLo /usr/share/keyrings/brave-browser-archive-keyring.gpg https://brave-browser-apt-release.s3.brave.com/brave-browser-archive-keyring.gpg
 
-echo "deb [arch=${ARCH}] https://brave-browser-apt-release.s3.brave.com/ stable main" |  tee /etc/apt/sources.list.d/brave-browser-release.list
+echo "deb [signed-by=/usr/share/keyrings/brave-browser-archive-keyring.gpg] https://brave-browser-apt-release.s3.brave.com/ stable main"| tee /etc/apt/sources.list.d/brave-browser-release.list
 
 apt update
 
diff --git a/src/ubuntu/install/dind_rootless/custom_startup.sh b/src/ubuntu/install/dind_rootless/custom_startup.sh
index 840b75c..e9606bb 100644
--- a/src/ubuntu/install/dind_rootless/custom_startup.sh
+++ b/src/ubuntu/install/dind_rootless/custom_startup.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 set -ex
-START_COMMAND="$DOCKER_BIN/dockerd-rootless.sh"
+START_COMMAND="dockerd-rootless.sh"
 PGREP="dockerd"
 export MAXIMIZE="false"
 MAXIMIZE_SCRIPT=$STARTUPDIR/maximize_window.sh
diff --git a/src/ubuntu/install/dind_rootless/install_dind_rootless.sh b/src/ubuntu/install/dind_rootless/install_dind_rootless.sh
index a7c1751..633435a 100644
--- a/src/ubuntu/install/dind_rootless/install_dind_rootless.sh
+++ b/src/ubuntu/install/dind_rootless/install_dind_rootless.sh
@@ -1,21 +1,60 @@
 #!/usr/bin/env bash
 set -ex
-# This script should be executed as a non-root user.
-# User verification: deny running as root
-if [ "$(id -u)" = "0" ]; then
-  >&2 echo "Refusing to install rootless Docker as the root user"; exit 1
+
+# Enable Docker repo
+ARCH=$(arch | sed 's/aarch64/arm64/g' | sed 's/x86_64/amd64/g')
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
+echo "deb [arch=${ARCH}] https://download.docker.com/linux/ubuntu "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" > \
+    /etc/apt/sources.list.d/docker.list
+
+# Install deps
+apt-get update
+apt-get install -y \
+    ca-certificates \
+    curl \
+    dbus-user-session \
+    docker-buildx-plugin \
+    docker-ce \
+    docker-ce-cli \
+    docker-compose-plugin \
+    fuse-overlayfs \
+    iptables \
+    kmod \
+    openssh-client \
+    sudo \
+    supervisor \
+    uidmap \
+    wget
+
+# URLs
+STABLE_LATEST=$(curl -sL https://get.docker.com/rootless | awk -F'="' '/STABLE_LATEST=/ {print substr($2, 1, length($2)-1)}')
+STATIC_RELEASE_ROOTLESS_URL="https://download.docker.com/linux/static/stable/$(uname -m)/docker-rootless-extras-${STABLE_LATEST}.tgz"
+
+# User settings
+curl -o \
+    /usr/local/bin/dind -L \
+    https://raw.githubusercontent.com/moby/moby/master/hack/dind
+chmod +x /usr/local/bin/dind
+echo 'hosts: files dns' > /etc/nsswitch.conf
+
+# Install rootless extras
+curl -o \
+  /tmp/rootless.tgz -L \
+  "${STATIC_RELEASE_ROOTLESS_URL}"
+tar -xf \
+  /tmp/rootless.tgz \
+  --strip-components 1 \
+  --directory /usr/local/bin/ \
+  'docker-rootless-extras/dockerd-rootless.sh' \
+  'docker-rootless-extras/rootlesskit' \
+  'docker-rootless-extras/rootlesskit-docker-proxy' \
+  'docker-rootless-extras/vpnkit'
+
+# Cleanup
+if [ -z ${SKIP_CLEAN+x} ]; then
+  apt-get autoclean
+  rm -rf \
+    /var/lib/apt/lists/* \
+    /var/tmp/* \
+    /tmp/*
 fi
-
-echo "Installing Docker"
-curl -fsSL https://get.docker.com/rootless | sh
-
-dockerd --version
-docker --version
-
-echo "Installing Docker Compose"
-mkdir -p "${DOCKER_BIN}"/cli-plugins
-COMPOSE_RELEASE=$(curl -sX GET "https://api.github.com/repos/docker/compose/releases/latest" \
-    | awk '/tag_name/{print $4;exit}' FS='[""]');
-COMPOSE_OS=$(uname -s)
-curl -L https://github.com/docker/compose/releases/download/"${COMPOSE_RELEASE}"/docker-compose-"${COMPOSE_OS,,}"-"$(uname -m)" -o "${DOCKER_BIN}"/cli-plugins/docker-compose
-chmod +x "${DOCKER_BIN}"/cli-plugins/docker-compose
diff --git a/src/ubuntu/install/dind_rootless/install_dind_rootless_prerequisites.sh b/src/ubuntu/install/dind_rootless/install_dind_rootless_prerequisites.sh
deleted file mode 100644
index b5a563c..0000000
--- a/src/ubuntu/install/dind_rootless/install_dind_rootless_prerequisites.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/usr/bin/env bash
-set -ex
-
-apt-get update && apt-get install -y \
-    ca-certificates \
-    curl \
-    dbus-user-session \
-    fuse-overlayfs \
-    kmod \
-    iptables \
-    openssh-client \
-    uidmap \
-    wget \
-    slirp4netns \
-    pigz \
-    xz-utils \
-    iproute2 \
-    xfsprogs \
-    btrfs-progs \
-    e2fsprogs && \
-rm -rf /var/lib/apt/list/*
\ No newline at end of file
diff --git a/src/ubuntu/install/firefox/install_firefox.sh b/src/ubuntu/install/firefox/install_firefox.sh
index 9941c82..4096143 100644
--- a/src/ubuntu/install/firefox/install_firefox.sh
+++ b/src/ubuntu/install/firefox/install_firefox.sh
@@ -45,7 +45,7 @@ Pin: release a=unstable
 Pin-Priority: 10
 EOF
   apt-get update
-  apt-get install -y -t unstable firefox p11-kit-modules
+  apt-get install -o Dpkg::Options::="--force-confnew" -y -t unstable firefox p11-kit-modules
 else
   apt-mark unhold firefox || :
   apt-get remove firefox
diff --git a/src/ubuntu/install/terraform/install_terraform.sh b/src/ubuntu/install/terraform/install_terraform.sh
index 22cf3b0..00ba946 100644
--- a/src/ubuntu/install/terraform/install_terraform.sh
+++ b/src/ubuntu/install/terraform/install_terraform.sh
@@ -8,8 +8,22 @@ if [ "${ARCH}" == "arm64" ] ; then
     exit 0
 fi
 
-
+# Install terraform
 curl -fsSL https://apt.releases.hashicorp.com/gpg | apt-key add -
-apt-add-repository "deb [arch=$(dpkg --print-architecture)] https://apt.releases.hashicorp.com $(lsb_release -cs) main"
+echo \
+  "deb [arch=$(dpkg --print-architecture)] https://apt.releases.hashicorp.com $(lsb_release -cs) main" \
+  > /etc/apt/sources.list.d/hashicorp.list
 apt-get update
-apt-get install -y terraform
+apt-get install -y \
+  terraform
+
+# Cleanup
+chown -R 1000:0 $HOME
+find /usr/share/ -name "icon-theme.cache" -exec rm -f {} \;
+if [ -z ${SKIP_CLEAN+x} ]; then
+  apt-get autoclean
+  rm -rf \
+    /var/lib/apt/lists/* \
+    /var/tmp/* \
+    /tmp/*
+fi
diff --git a/src/ubuntu/install/thunderbird/install_thunderbird.sh b/src/ubuntu/install/thunderbird/install_thunderbird.sh
index 0e31fb7..9412070 100644
--- a/src/ubuntu/install/thunderbird/install_thunderbird.sh
+++ b/src/ubuntu/install/thunderbird/install_thunderbird.sh
@@ -48,9 +48,12 @@ Pin-Priority: 1001
 fi
 
 # Desktop icon
-if [[ "${DISTRO}" == @(fedora37|fedora38|fedora39|fedora40) ]]; then
+if [[ "${DISTRO}" == @(fedora37|fedora38|fedora39) ]]; then
   cp /usr/share/applications/mozilla-thunderbird.desktop $HOME/Desktop/
   chmod +x $HOME/Desktop/mozilla-thunderbird.desktop
+elif [[ "${DISTRO}" == "fedora40" ]]; then
+  cp /usr/share/applications/org.mozilla.thunderbird.desktop $HOME/Desktop/
+  chmod +x $HOME/Desktop/org.mozilla.thunderbird.desktop
 else
   cp /usr/share/applications/thunderbird.desktop $HOME/Desktop/
   chmod +x $HOME/Desktop/thunderbird.desktop