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80 lines
3.2 KiB
80 lines
3.2 KiB
# syntax=docker/dockerfile:1 |
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FROM docker.io/rust:1.58-bullseye AS builder |
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WORKDIR /usr/src/conduit |
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# Install required packages to build Conduit and it's dependencies |
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RUN apt update && apt -y install libclang-dev |
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# == Build dependencies without our own code separately for caching == |
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# |
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# Need a fake main.rs since Cargo refuses to build anything otherwise. |
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# |
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# See https://github.com/rust-lang/cargo/issues/2644 for a Cargo feature |
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# request that would allow just dependencies to be compiled, presumably |
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# regardless of whether source files are available. |
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RUN mkdir src && touch src/lib.rs && echo 'fn main() {}' > src/main.rs |
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COPY Cargo.toml Cargo.lock ./ |
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RUN cargo build --release && rm -r src |
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# Copy over actual Conduit sources |
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COPY src src |
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# main.rs and lib.rs need their timestamp updated for this to work correctly since |
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# otherwise the build with the fake main.rs from above is newer than the |
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# source files (COPY preserves timestamps). |
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# |
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# Builds conduit and places the binary at /usr/src/conduit/target/release/conduit |
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RUN touch src/main.rs && touch src/lib.rs && cargo build --release |
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# --------------------------------------------------------------------------------------------------------------- |
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# Stuff below this line actually ends up in the resulting docker image |
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# --------------------------------------------------------------------------------------------------------------- |
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FROM docker.io/debian:bullseye-slim AS runner |
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# Standard port on which Conduit launches. |
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# You still need to map the port when using the docker command or docker-compose. |
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EXPOSE 6167 |
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# Note from @jfowl: I would like to remove the config file in the future and just have the Docker version be configured with envs. |
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ENV CONDUIT_CONFIG="/srv/conduit/conduit.toml" \ |
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CONDUIT_PORT=6167 |
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# Conduit needs: |
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# ca-certificates: for https |
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# iproute2 & wget: for the healthcheck script |
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RUN apt update && apt -y install \ |
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ca-certificates \ |
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iproute2 \ |
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wget \ |
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&& rm -rf /var/lib/apt/lists/* |
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# Created directory for the database and media files |
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RUN mkdir -p /srv/conduit/.local/share/conduit |
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# Test if Conduit is still alive, uses the same endpoint as Element |
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COPY ./docker/healthcheck.sh /srv/conduit/healthcheck.sh |
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HEALTHCHECK --start-period=5s --interval=5s CMD ./healthcheck.sh |
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# Copy over the actual Conduit binary from the builder stage |
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COPY --from=builder /usr/src/conduit/target/release/conduit /srv/conduit/conduit |
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# Improve security: Don't run stuff as root, that does not need to run as root |
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# Add 'conduit' user and group (100:82). The UID:GID choice is to be compatible |
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# with previous, Alpine-based containers, where the user and group were both |
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# named 'www-data'. |
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RUN set -x ; \ |
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groupadd -r -g 82 conduit ; \ |
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useradd -r -M -d /srv/conduit -o -u 100 -g conduit conduit && exit 0 ; exit 1 |
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# Change ownership of Conduit files to conduit user and group and make the healthcheck executable: |
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RUN chown -cR conduit:conduit /srv/conduit && \ |
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chmod +x /srv/conduit/healthcheck.sh |
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# Change user to conduit, no root permissions afterwards: |
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USER conduit |
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# Set container home directory |
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WORKDIR /srv/conduit |
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# Run Conduit and print backtraces on panics |
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ENV RUST_BACKTRACE=1 |
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ENTRYPOINT [ "/srv/conduit/conduit" ]
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