81 lines
3.2 KiB
Docker
81 lines
3.2 KiB
Docker
# 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-11-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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RUN 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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