Dockerfile

FROM golang:1.19

# [Option] Install zsh
ARG INSTALL_ZSH="true"
# [Option] Upgrade OS packages to their latest versions
ARG UPGRADE_PACKAGES="false"
# [Option] Enable non-root Docker access in container
ARG ENABLE_NONROOT_DOCKER="true"
# [Option] Use the OSS Moby Engine instead of the licensed Docker Engine
ARG USE_MOBY="true"

# Install needed packages and setup non-root user. Use a separate RUN statement to add your
# own dependencies. A user of "automatic" attempts to reuse an user ID if one already exists.
ARG USERNAME=automatic
ARG USER_UID=1000
ARG USER_GID=$USER_UID
COPY library-scripts/*.sh /tmp/library-scripts/
RUN apt-get update \
    && /bin/bash /tmp/library-scripts/common-debian.sh "${INSTALL_ZSH}" "${USERNAME}" "${USER_UID}" "${USER_GID}" "${UPGRADE_PACKAGES}" \
    # Use Docker script from script library to set things up
    && /bin/bash /tmp/library-scripts/docker-in-docker-debian.sh "${ENABLE_NONROOT_DOCKER}" "${USERNAME}" "${USE_MOBY}" \
    # Clean up
    && apt-get autoremove -y && apt-get clean -y && rm -rf /var/lib/apt/lists/* /tmp/library-scripts/

VOLUME [ "/var/lib/docker" ]

# Setting the ENTRYPOINT to docker-init.sh will start up the Docker Engine 
# inside the container "overrideCommand": false is set in devcontainer.json. 
# The script will also execute CMD if you need to alter startup behaviors.
ENTRYPOINT [ "/usr/local/share/docker-init.sh" ]
CMD [ "sleep", "infinity" ]

# [Optional] Uncomment this section to install additional OS packages.
# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
#     && apt-get -y install --no-install-recommends <your-package-list-here>