Dockerfile

FROM gocd/gocd-agent-debian-11:v22.2.0

USER root

RUN apt-get update \
        && apt-get install -y bash curl wget zip unzip ca-certificates gnupg lsb-release \
        && mkdir -p /etc/apt/keyrings \
        && curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg \
        && echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian $(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null \
        && apt-get update \
        && apt install -y docker-ce-cli \
        && rm -rf /var/lib/apt/lists/*
RUN rm /bin/sh && ln -s /bin/bash /bin/sh

USER go

RUN curl -s "https://get.sdkman.io" | bash
RUN source "$HOME/.sdkman/bin/sdkman-init.sh" \
        && sdk install java 11.0.16-amzn \
        && sdk install java 17.0.4-amzn \
        && sdk default java 11.0.16-amzn \
        && sdk install maven \
        && rm -rf $HOME/.sdkman/archives/* \
        && rm -rf $HOME/.sdkman/tmp/*

ENTRYPOINT ["/docker-entrypoint.sh"]