1# Start from the latest NixOS unstable. 2FROM nixos/nix 3RUN nix-channel --add https://nixos.org/channels/nixpkgs-unstable nixpkgs 4RUN nix-channel --update 5 6# Prepare the build environment. 7# This is appropriate for production or CI containers, but for 8# development environments, it's better to leave the shell.nix 9# where it is, so that updates to it don't require a rebuild of the 10# container, as that is annoying to do. 11# COPY shell.nix /opt 12# RUN nix-shell /opt/shell.nix --run 'echo OK' 13 14# Keep a symlink to ImageMagick headers. 15RUN nix-build '<nixpkgs>' -A imagemagick7.dev -o /opt/imagemagick 16 17# Prepare the README. 18COPY README.md /opt/ 19RUN sed -i \ 20 -e "s|@@IM_DEV@@|$(readlink -f /opt/imagemagick-dev)|g" \ 21 /opt/README.md 22 23# Make the default directory the mounted source code. 24WORKDIR /var/app 25 26# Run the process that this container will serve. 27CMD tail -f /opt/README.md 28
