alpine/Dockerfile

   1 # Dockerfile to create an environment that contains the Nix package manager.
   2 FROM alpine
   3
   4 ARG NIX_VERSION
   5 ENV NIX_VERSION ${NIX_VERSION:-2.3.1}
   6 ARG LANG
   7 ENV LANG ${LANG:-"en_US.UTF-8"}
   8
   9 RUN addgroup -g 30000 -S nixbld \
  10     && for i in $(seq 1 30); do adduser -S -D -h /var/empty -g "Nix build user $i" -u $((30000 + i)) -G nixbld nixbld$i ; done \
  11     && adduser -D nixuser \
  12     && mkdir -m 0755 /nix && chown nixuser /nix \
  13     && apk add --no-cache bash xz \
  14     && rm -rf /var/cache/apk/* \
  15     # sandboxing enabled by default since 2.2
  16     && mkdir -p /etc/nix && echo 'sandbox = false' > /etc/nix/nix.conf
  17
  18 USER nixuser
  19 ENV USER=nixuser
  20 ENV HOME="/home/nixuser"
  21
  22 RUN cd && wget https://nixos.org/releases/nix/nix-$NIX_VERSION/nix-$NIX_VERSION-x86_64-linux.tar.xz \
  23     && tar xJf nix-*-x86_64-linux.tar.xz \
  24     && ~/nix-*-x86_64-linux/install \
  25     && rm -rf ~/nix-*-*
  26
  27 ENV ENV="/home/nixuser/.nix-profile/etc/profile.d/nix.sh"
  28 RUN echo ". ${ENV}" >> ${HOME}/.profile
  29 # All subsequent "RUN" will use a login shell
  30 SHELL ["/usr/bin/env", "bash", "-l", "-c"]
  31
  32 RUN nix-channel --add https://nixos.org/channels/nixpkgs-19.09-darwin nixpkgs \
  33     && nix-channel --add https://nixos.org/channels/nixpkgs-unstable unstable \
  34     && nix-channel --update
  35
  36 # Propagate UTF8
  37 # https://github.com/NixOS/nix/issues/599#issuecomment-153885553
  38 # The same is hapenning with stack2nix
  39 RUN nix-env -iA nixpkgs.glibcLocales
  40
  41 # < Nix context as a volume
  42 # We want to be able to define /nix/store as a volume
  43 # We thus need to "save" the current nix context to be able
  44 # to restore it at startup time
  45 RUN cp -R /nix /home/nixuser/initial-nix
  46 VOLUME ["/nix"]
  47 # Create bash profile
  48 COPY --chown=nixuser:nixuser files/.profile ${HOME}/.profile
  49 # />
  50
  51 # Make sure to use "login" shell when running container
  52 ENTRYPOINT ["/usr/bin/env", "bash", "-l", "-c"]