lemmy/docker/prod/Dockerfile

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ARG RUST_BUILDER_IMAGE=ekidd/rust-musl-builder:1.47.0
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# Cargo chef plan
FROM $RUST_BUILDER_IMAGE as planner
WORKDIR /app
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RUN cargo install cargo-chef
# Copy dirs
COPY ./ ./
RUN sudo chown -R rust:rust .
RUN cargo chef prepare --recipe-path recipe.json
# Cargo chef cache dependencies
FROM $RUST_BUILDER_IMAGE as cacher
ARG CARGO_BUILD_TARGET=x86_64-unknown-linux-musl
WORKDIR /app
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RUN cargo install cargo-chef
COPY --from=planner /app/recipe.json ./recipe.json
RUN sudo chown -R rust:rust .
RUN cargo chef cook --release --target ${CARGO_BUILD_TARGET} --recipe-path recipe.json
# Build the project
FROM $RUST_BUILDER_IMAGE as builder
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ARG CARGO_BUILD_TARGET=x86_64-unknown-linux-musl
ARG RUSTRELEASEDIR="release"
WORKDIR /app
# Copy over the cached dependencies
COPY --from=cacher /app/target target
COPY --from=cacher /home/rust/.cargo /home/rust/.cargo
# Copy the rest of the dirs
COPY ./ ./
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RUN sudo chown -R rust:rust .
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RUN cargo build --release
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# reduce binary size
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RUN strip ./target/$CARGO_BUILD_TARGET/$RUSTRELEASEDIR/lemmy_server
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RUN cp ./target/$CARGO_BUILD_TARGET/$RUSTRELEASEDIR/lemmy_server /app/lemmy_server
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# The alpine runner
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FROM alpine:3.12 as lemmy
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# Install libpq for postgres
RUN apk add libpq
# Install Espeak for captchas
RUN apk add espeak
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RUN addgroup -g 1000 lemmy
RUN adduser -D -s /bin/sh -u 1000 -G lemmy lemmy
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# Copy resources
COPY --chown=lemmy:lemmy --from=builder /app/lemmy_server /app/lemmy
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RUN chown lemmy:lemmy /app/lemmy
USER lemmy
EXPOSE 8536
CMD ["/app/lemmy"]