Nix package manager on Alpine Edge

Dockerfile

FROM alpine:edge

# Dependencies
RUN apk add curl

# Nix user and store setup
RUN adduser -D nix
RUN mkdir /nix
RUN chown nix /nix

# Switch to nix user
USER nix
ENV USER=nix
WORKDIR /home/nix

# Install Nix in single user mode
RUN curl https://nixos.org/nix/install > /tmp/nix-install.sh
RUN sh /tmp/nix-install.sh --no-daemon

# Add nix-* commands to PATH
RUN echo 'source /home/nix/.nix-profile/etc/profile.d/nix.sh' > .profile

# Update channels
RUN sh -l -c 'nix-channel --update'

# sh -l is needed to pick up .profile
CMD ["/bin/sh", "-l"]