templates/c/Dockerfile

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2024-05-06 21:40:38 +00:00
# Credit to Mitchell Hashimoto
# post: https://mitchellh.com/writing/nix-with-dockerfiles
# Nix builder
FROM nixos/nix:latest AS builder
# Copy our source and setup our working dir.
COPY . /tmp/build
WORKDIR /tmp/build
# Build our Nix environment
RUN nix \
--extra-experimental-features "nix-command flakes" \
--option filter-syscalls false \
build
# Copy the Nix store closure into a directory. The Nix store closure is the
# entire set of Nix store values that we need for our build.
RUN mkdir /tmp/nix-store-closure
RUN cp -R $(nix-store -qR result/) /tmp/nix-store-closure
# Final image is based on scratch. We copy a bunch of Nix dependencies
# but they're fully self-contained so we don't need Nix anymore.
FROM scratch
# Copy /nix/store
COPY --from=builder /tmp/nix-store-closure /nix/store
COPY --from=builder /tmp/build/result /app
CMD ["/app/bin/hello"]