132 lines
4.9 KiB
Docker
132 lines
4.9 KiB
Docker
# syntax=docker/dockerfile:1
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FROM docker.io/rust:1.70-bullseye AS base
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FROM base 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-get update && \
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apt-get -y --no-install-recommends install libclang-dev=1:11.0-51+nmu5
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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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# ONLY USEFUL FOR CI: target stage to extract build artifacts
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FROM scratch AS builder-result
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COPY --from=builder /usr/src/conduit/target/release/conduit /conduit
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# ---------------------------------------------------------------------------------------------------------------
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# Build cargo-deb, a tool to package up rust binaries into .deb packages for Debian/Ubuntu based systems:
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# ---------------------------------------------------------------------------------------------------------------
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FROM base AS build-cargo-deb
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RUN apt-get update && \
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apt-get install -y --no-install-recommends \
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dpkg \
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dpkg-dev \
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liblzma-dev
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RUN cargo install cargo-deb
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# => binary is in /usr/local/cargo/bin/cargo-deb
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# ---------------------------------------------------------------------------------------------------------------
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# Package conduit build-result into a .deb package:
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# ---------------------------------------------------------------------------------------------------------------
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FROM builder AS packager
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WORKDIR /usr/src/conduit
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COPY ./LICENSE ./LICENSE
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COPY ./README.md ./README.md
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COPY debian ./debian
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COPY --from=build-cargo-deb /usr/local/cargo/bin/cargo-deb /usr/local/cargo/bin/cargo-deb
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# --no-build makes cargo-deb reuse already compiled project
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RUN cargo deb --no-build
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# => Package is in /usr/src/conduit/target/debian/<project_name>_<version>_<arch>.deb
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# ONLY USEFUL FOR CI: target stage to extract build artifacts
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FROM scratch AS packager-result
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COPY --from=packager /usr/src/conduit/target/debian/*.deb /conduit.deb
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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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ARG DEFAULT_DB_PATH=/var/lib/matrix-conduit
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ENV CONDUIT_PORT=6167 \
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CONDUIT_ADDRESS="0.0.0.0" \
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CONDUIT_DATABASE_PATH=${DEFAULT_DB_PATH} \
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CONDUIT_CONFIG=''
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# └─> Set no config file to do all configuration with env vars
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# Conduit needs:
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# dpkg: to install conduit.deb
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# ca-certificates: for https
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# iproute2 & wget: for the healthcheck script
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RUN apt-get update && apt-get -y --no-install-recommends install \
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dpkg \
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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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# 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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# Install conduit.deb:
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COPY --from=packager /usr/src/conduit/target/debian/*.deb /srv/conduit/
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RUN dpkg -i /srv/conduit/*.deb
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# Improve security: Don't run stuff as root, that does not need to run as root
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# Most distros also use 1000:1000 for the first real user, so this should resolve volume mounting problems.
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ARG USER_ID=1000
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ARG GROUP_ID=1000
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RUN set -x ; \
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groupadd -r -g ${GROUP_ID} conduit ; \
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useradd -l -r -M -d /srv/conduit -o -u ${USER_ID} -g conduit conduit && exit 0 ; exit 1
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# Create database directory, 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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mkdir -p ${DEFAULT_DB_PATH} && \
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chown -cR conduit:conduit ${DEFAULT_DB_PATH}
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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 [ "/usr/sbin/matrix-conduit" ]
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