diff --git a/Dockerfile b/Dockerfile index 655b2099..3158d12e 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,132 +1,28 @@ -# syntax=docker/dockerfile:1 -FROM docker.io/rust:1.74.1-bullseye AS base +# Nix builder +FROM nixos/nix:latest AS builder -FROM base AS builder -WORKDIR /usr/src/conduit +# Copy our source and setup our working dir. +COPY . /tmp/build +WORKDIR /tmp/build -# Install required packages to build Conduit and it's dependencies -RUN apt-get update && \ - apt-get -y --no-install-recommends install libclang-dev=1:11.0-51+nmu5 +# Build our Nix environment +RUN nix \ + --extra-experimental-features "nix-command flakes" \ + --option filter-syscalls false \ + build -# == Build dependencies without our own code separately for caching == -# -# Need a fake main.rs since Cargo refuses to build anything otherwise. -# -# See https://github.com/rust-lang/cargo/issues/2644 for a Cargo feature -# request that would allow just dependencies to be compiled, presumably -# regardless of whether source files are available. -RUN mkdir src && touch src/lib.rs && echo 'fn main() {}' > src/main.rs -COPY Cargo.toml Cargo.lock ./ -RUN cargo build --release && rm -r src +# 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 -# Copy over actual Conduit sources -COPY src src +# 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 -# main.rs and lib.rs need their timestamp updated for this to work correctly since -# otherwise the build with the fake main.rs from above is newer than the -# source files (COPY preserves timestamps). -# -# Builds conduit and places the binary at /usr/src/conduit/target/release/conduit -RUN touch src/main.rs && touch src/lib.rs && cargo build --release +WORKDIR /app - -# ONLY USEFUL FOR CI: target stage to extract build artifacts -FROM scratch AS builder-result -COPY --from=builder /usr/src/conduit/target/release/conduit /conduit - - - -# --------------------------------------------------------------------------------------------------------------- -# Build cargo-deb, a tool to package up rust binaries into .deb packages for Debian/Ubuntu based systems: -# --------------------------------------------------------------------------------------------------------------- -FROM base AS build-cargo-deb - -RUN apt-get update && \ - apt-get install -y --no-install-recommends \ - dpkg \ - dpkg-dev \ - liblzma-dev - -RUN cargo install cargo-deb -# => binary is in /usr/local/cargo/bin/cargo-deb - - -# --------------------------------------------------------------------------------------------------------------- -# Package conduit build-result into a .deb package: -# --------------------------------------------------------------------------------------------------------------- -FROM builder AS packager -WORKDIR /usr/src/conduit - -COPY ./LICENSE ./LICENSE -COPY ./README.md ./README.md -COPY debian ./debian -COPY --from=build-cargo-deb /usr/local/cargo/bin/cargo-deb /usr/local/cargo/bin/cargo-deb - -# --no-build makes cargo-deb reuse already compiled project -RUN cargo deb --no-build -# => Package is in /usr/src/conduit/target/debian/__.deb - - -# ONLY USEFUL FOR CI: target stage to extract build artifacts -FROM scratch AS packager-result -COPY --from=packager /usr/src/conduit/target/debian/*.deb /conduit.deb - - -# --------------------------------------------------------------------------------------------------------------- -# Stuff below this line actually ends up in the resulting docker image -# --------------------------------------------------------------------------------------------------------------- -FROM docker.io/debian:bullseye-slim AS runner - -# Standard port on which Conduit launches. -# You still need to map the port when using the docker command or docker-compose. -EXPOSE 6167 - -ARG DEFAULT_DB_PATH=/var/lib/matrix-conduit - -ENV CONDUIT_PORT=6167 \ - CONDUIT_ADDRESS="0.0.0.0" \ - CONDUIT_DATABASE_PATH=${DEFAULT_DB_PATH} \ - CONDUIT_CONFIG='' -# └─> Set no config file to do all configuration with env vars - -# Conduit needs: -# dpkg: to install conduit.deb -# ca-certificates: for https -# iproute2 & wget: for the healthcheck script -RUN apt-get update && apt-get -y --no-install-recommends install \ - dpkg \ - ca-certificates \ - iproute2 \ - wget \ - && rm -rf /var/lib/apt/lists/* - -# Test if Conduit is still alive, uses the same endpoint as Element -COPY ./docker/healthcheck.sh /srv/conduit/healthcheck.sh -HEALTHCHECK --start-period=5s --interval=5s CMD ./healthcheck.sh - -# Install conduit.deb: -COPY --from=packager /usr/src/conduit/target/debian/*.deb /srv/conduit/ -RUN dpkg -i /srv/conduit/*.deb - -# Improve security: Don't run stuff as root, that does not need to run as root -# Most distros also use 1000:1000 for the first real user, so this should resolve volume mounting problems. -ARG USER_ID=1000 -ARG GROUP_ID=1000 -RUN set -x ; \ - groupadd -r -g ${GROUP_ID} conduit ; \ - useradd -l -r -M -d /srv/conduit -o -u ${USER_ID} -g conduit conduit && exit 0 ; exit 1 - -# Create database directory, change ownership of Conduit files to conduit user and group and make the healthcheck executable: -RUN chown -cR conduit:conduit /srv/conduit && \ - chmod +x /srv/conduit/healthcheck.sh && \ - mkdir -p ${DEFAULT_DB_PATH} && \ - chown -cR conduit:conduit ${DEFAULT_DB_PATH} - -# Change user to conduit, no root permissions afterwards: -USER conduit -# Set container home directory -WORKDIR /srv/conduit - -# Run Conduit and print backtraces on panics -ENV RUST_BACKTRACE=1 -ENTRYPOINT [ "/usr/sbin/matrix-conduit" ] +# Copy /nix/store +COPY --from=builder /tmp/nix-store-closure /nix/store +COPY --from=builder /tmp/build/result /app +CMD ["/app/bin/app"] \ No newline at end of file