Dockerfile

# syntax=docker/dockerfile:experimental

ARG BASE=debian:12
FROM $BASE

RUN apt-get update \
  && apt-get install -y \
    curl \
    dumb-init \
    git \
    build-essential \
    cmake \
    pkg-config \
    python3 \
    python3-pip \
    python3-venv \
    nodejs \
    npm \
    unzip \
    zip \
    jq \
    iputils-ping \
    openjdk-17-jdk \
    maven \
    git-lfs \
    locales \
    lsb-release \
    nano \
    openssh-client \
    procps \
    sudo \
    vim-tiny \
    wget \
    zsh \
  && git lfs install \
  && rm -rf /var/lib/apt/lists/*

# https://wiki.debian.org/Locale#Manually
RUN sed -i "s/# en_US.UTF-8/en_US.UTF-8/" /etc/locale.gen \
  && locale-gen
ENV LANG=en_US.UTF-8

RUN if grep -q 1000 /etc/passwd; then \
    userdel -r "$(id -un 1000)"; \
  fi \
  && adduser --gecos '' --disabled-password coder \
  && echo "coder ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers.d/nopasswd

# Install Oh My Zsh for coder user
RUN su - coder -c "curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh | sh" \
  && su - coder -c "git clone https://github.com/zsh-users/zsh-autosuggestions /home/coder/.oh-my-zsh/custom/plugins/zsh-autosuggestions" \
  && su - coder -c "git clone https://github.com/zsh-users/zsh-syntax-highlighting.git /home/coder/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting" \
  && su - coder -c "sed -i 's/plugins=(git)/plugins=(git zsh-autosuggestions zsh-syntax-highlighting)/g' /home/coder/.zshrc" \
  && chown -R coder:coder /home/coder/.oh-my-zsh \
  && chown coder:coder /home/coder/.zshrc \
  && chsh -s /usr/bin/zsh coder

RUN ARCH="$(dpkg --print-architecture)" \
  && curl -fsSL "https://github.com/boxboat/fixuid/releases/download/v0.6.0/fixuid-0.6.0-linux-$ARCH.tar.gz" | tar -C /usr/local/bin -xzf - \
  && chown root:root /usr/local/bin/fixuid \
  && chmod 4755 /usr/local/bin/fixuid \
  && mkdir -p /etc/fixuid \
  && printf "user: coder\ngroup: coder\n" > /etc/fixuid/config.yml

COPY entrypoint.sh /usr/bin/entrypoint.sh
RUN chmod +x /usr/bin/entrypoint.sh
# Add new startup script
COPY start.sh /start.sh
RUN chmod +x /start.sh

# Install code-server using the installation script
RUN curl -fsSL https://code-server.dev/install.sh | sh

# Allow users to have scripts run on container startup to prepare workspace.
# https://github.com/coder/code-server/issues/5177
ENV ENTRYPOINTD=${HOME}/entrypoint.d

# Set default timezone to UTC, can be overridden by TZ environment variable
ENV TZ=UTC
RUN apt-get update && apt-get install -y tzdata \
    && ln -fs /usr/share/zoneinfo/${TZ} /etc/localtime \
    && echo ${TZ} > /etc/timezone \
    && dpkg-reconfigure -f noninteractive tzdata \
    && rm -rf /var/lib/apt/lists/*

EXPOSE 7860
# This way, if someone sets $DOCKER_USER, docker-exec will still work as
# the uid will remain the same. note: only relevant if -u isn't passed to
# docker-run.
USER 1000
ENV USER=coder
ENV SHELL=/usr/bin/zsh
WORKDIR /home/coder/workspace
ENTRYPOINT ["/start.sh"]