# syntax=docker/dockerfile:1 # --------------------------------------------------------------------------------------------------------- # This Dockerfile is intended to be built as part of Conduit's CI pipeline. # It does not build Conduit in Docker, but just copies the matching build artifact from the build jobs. # # It is mostly based on the normal Conduit Dockerfile, but adjusted in a few places to maximise caching. # Credit's for the original Dockerfile: Weasy666. # --------------------------------------------------------------------------------------------------------- FROM docker.io/alpine:3.15.0 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 # Users are expected to mount a volume to this directory: ARG DEFAULT_DB_PATH=/var/lib/matrix-conduit ENV CONDUIT_PORT=6167 \ CONDUIT_ADDRESS="0.0.0.0" \ CONDUIT_DATABASE_PATH=${DEFAULT_DB_PATH} \ CONDUIT_CONFIG='' # └─> Set no config file to do all configuration with env vars # Conduit needs: # ca-certificates: for https # iproute2: for `ss` for the healthcheck script RUN apk add --no-cache \ ca-certificates \ iproute2 ARG CREATED ARG VERSION ARG GIT_REF # Labels according to https://github.com/opencontainers/image-spec/blob/master/annotations.md # including a custom label specifying the build command LABEL org.opencontainers.image.created=${CREATED} \ org.opencontainers.image.authors="Conduit Contributors" \ org.opencontainers.image.title="Conduit" \ org.opencontainers.image.version=${VERSION} \ org.opencontainers.image.vendor="Conduit Contributors" \ org.opencontainers.image.description="A Matrix homeserver written in Rust" \ org.opencontainers.image.url="https://conduit.rs/" \ org.opencontainers.image.revision=${GIT_REF} \ org.opencontainers.image.source="https://gitlab.com/famedly/conduit.git" \ org.opencontainers.image.licenses="Apache-2.0" \ org.opencontainers.image.documentation="https://gitlab.com/famedly/conduit" \ org.opencontainers.image.ref.name="" # Created directory for the database and media files RUN mkdir -p ${DEFAULT_DB_PATH} # 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 # 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 ; \ deluser --remove-home www-data ; \ addgroup -S -g ${GROUP_ID} conduit 2>/dev/null ; \ adduser -S -u ${USER_ID} -D -H -h /srv/conduit -G conduit -g conduit conduit 2>/dev/null ; \ addgroup conduit conduit 2>/dev/null && exit 0 ; exit 1 # Change ownership of Conduit files to conduit user and group RUN chown -cR conduit:conduit /srv/conduit && \ chmod +x /srv/conduit/healthcheck.sh # Change user to conduit USER conduit # Set container home directory WORKDIR /srv/conduit # Run Conduit and print backtraces on panics ENV RUST_BACKTRACE=1 ENTRYPOINT [ "/srv/conduit/conduit" ] # Depending on the target platform (e.g. "linux/arm/v7", "linux/arm64/v8", or "linux/amd64") # copy the matching binary into this docker image ARG TARGETPLATFORM COPY --chown=conduit:conduit ./$TARGETPLATFORM /srv/conduit/conduit