.gitpod.Dockerfile

# Based on https://github.com/gitpod-io/template-nix/blob/main/.gitpod.Dockerfile

FROM gitpod/workspace-base

USER root

# Install Nix
RUN addgroup --system nixbld \
  && adduser gitpod nixbld \
  && for i in $(seq 1 30); do useradd -ms /bin/bash nixbld$i &&  adduser nixbld$i nixbld; done \
  && mkdir -m 0755 /nix && chown gitpod /nix \
  && mkdir -p /etc/nix && echo 'sandbox = false' > /etc/nix/nix.conf
  
# Install Nix
CMD /bin/bash -l
USER gitpod
ENV USER gitpod
WORKDIR /home/gitpod

RUN touch .bash_profile \
 && curl https://nixos.org/releases/nix/nix-2.3.14/install | sh

RUN echo '. /home/gitpod/.nix-profile/etc/profile.d/nix.sh' >> /home/gitpod/.bashrc
RUN mkdir -p /home/gitpod/.config/nixpkgs && echo '{ allowUnfree = true; }' >> /home/gitpod/.config/nixpkgs/config.nix

# Install cachix
RUN . /home/gitpod/.nix-profile/etc/profile.d/nix.sh \
  && nix-env -iA cachix -f https://cachix.org/api/v1/install \
  && cachix use cachix \
  && cachix use digitallyinduced

# Install git
RUN . /home/gitpod/.nix-profile/etc/profile.d/nix.sh \
  && nix-env -i git git-lfs

# Install direnv
RUN . /home/gitpod/.nix-profile/etc/profile.d/nix.sh \
  && nix-env -i direnv \
  && direnv hook bash >> /home/gitpod/.bashrc

# Make an empty IHP project to warm up the nix store
RUN . /home/gitpod/.nix-profile/etc/profile.d/nix.sh \
    && git clone https://github.com/digitallyinduced/ihp-boilerplate.git /tmp/warmup \
    && cd /tmp/warmup \
    && (nix-shell -j auto --cores 0 --quiet --run 'echo ok' || true)