content: # MIT License
  
  # Copyright (c) 2021 Gitpod
  
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  
  # The above copyright notice and this permission notice shall be included in all
  # copies or substantial portions of the Software.
  
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  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
  
  # 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