FROM oraclelinux:8 ENV STARTUPDIR=/dockerstartup RUN dnf install -y \ less \ redhat-lsb-core \ vim \ xterm RUN dnf config-manager --set-enabled ol8_codeready_builder RUN dnf install -y oracle-epel-release-el8 ARG KASMVNC_PACKAGE_DIR COPY $KASMVNC_PACKAGE_DIR/*.rpm /tmp RUN dnf localinstall -y /tmp/*.rpm RUN mkdir -p $STARTUPDIR COPY startup/vnc_startup_barebones.sh $STARTUPDIR RUN useradd -m foo USER foo:kasmvnc-cert ENTRYPOINT "/$STARTUPDIR/vnc_startup_barebones.sh"