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https://github.com/LemmyNet/lemmy.git
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Add ARM64 Docker image support (#3810)
* Add ARM64 Docker image support * Fix * Fix Docker build * Fix typo * Use OpenSSL 3 and PostgreSQL Lib v15 in Docker builder * Use simple comments in Dockerfile * Add comment explaining Docker image cross build * Move docker step above tests for testing * Move docker build step back to normal position --------- Co-authored-by: Dessalines <dessalines@users.noreply.github.com>
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Ellie
GitHub
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2 changed files with 113 additions and 33 deletions
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@ -239,7 +239,7 @@ steps:
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settings:
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repo: dessalines/lemmy
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dockerfile: docker/Dockerfile
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platforms: linux/amd64
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platforms: linux/amd64,linux/arm64
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build_args:
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- RUST_RELEASE_MODE=release
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auto_tag: true
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@ -252,7 +252,7 @@ steps:
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settings:
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repo: dessalines/lemmy
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dockerfile: docker/Dockerfile
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platforms: linux/amd64
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platforms: linux/amd64,linux/arm64
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build_args:
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- RUST_RELEASE_MODE=release
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tag: dev
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@ -1,45 +1,125 @@
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FROM clux/muslrust:1.70.0 as builder
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WORKDIR /app
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ARG CARGO_BUILD_TARGET=x86_64-unknown-linux-musl
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#
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# Docker multiarch image:
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# We build the Lemmy binary for amd64 and arm64 in individual stages using the blackdex/rust-musl image (github.com/blackdex/rust-musl).
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# This image uses musl-cross-make (github.com/richfelker/musl-cross-make) to build a musl cross compilation toolchain for the target
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# architecture. It also includes pre-built static libraries such as libpq. These libraries can improve the compile time and eliminate
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# the requirement for extra dependencies in the final image.
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#
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# During each build stage, we use the blackdex/rust-musl openssl 3 images and configure PQ_LIB_DIR=/usr/local/musl/pq15/lib to use
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# libpq v15. We also ensure the installation of the Rust toolchain corresponding to the target architecture using:
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# `rustup target add $TARGET-unknown-linux-musl`.
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#
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# comma-seperated list of features to enable
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ARG RUST_VERSION=1.71.0
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ARG ALPINE_VERSION=3.18
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ARG CARGO_BUILD_FEATURES=default
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ARG RUST_RELEASE_MODE=debug
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ARG UID=911
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ARG GID=911
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# This can be set to release using --build-arg
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ARG RUST_RELEASE_MODE="debug"
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# AMD64 builder base
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FROM --platform=${BUILDPLATFORM} blackdex/rust-musl:x86_64-musl-stable-${RUST_VERSION}-openssl3 AS base-amd64
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COPY . .
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ENV DEBIAN_FRONTEND=noninteractive
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ENV CARGO_HOME=/root/.cargo
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ENV PQ_LIB_DIR=/usr/local/musl/pq15/lib
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# Build the project
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RUN apt update && apt install -y \
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--no-install-recommends \
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git
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# Debug mode build
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RUN --mount=type=cache,target=/app/target \
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if [ "$RUST_RELEASE_MODE" = "debug" ] ; then \
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echo "pub const VERSION: &str = \"$(git describe --tag)\";" > "crates/utils/src/version.rs" \
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&& cargo build --target ${CARGO_BUILD_TARGET} --features ${CARGO_BUILD_FEATURES} \
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&& cp ./target/$CARGO_BUILD_TARGET/$RUST_RELEASE_MODE/lemmy_server /app/lemmy_server; \
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RUN mkdir -pv "${CARGO_HOME}" && \
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rustup set profile minimal && \
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rustup target add x86_64-unknown-linux-musl
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# ARM64 builder base
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FROM --platform=${BUILDPLATFORM} blackdex/rust-musl:aarch64-musl-stable-${RUST_VERSION}-openssl3 AS base-arm64
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ENV DEBIAN_FRONTEND=noninteractive
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ENV CARGO_HOME=/root/.cargo
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ENV PQ_LIB_DIR=/usr/local/musl/pq15/lib
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RUN apt update && apt install -y \
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--no-install-recommends \
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git
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RUN mkdir -pv "${CARGO_HOME}" && \
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rustup set profile minimal && \
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rustup target add aarch64-unknown-linux-musl
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# AMD64 builder
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FROM base-amd64 AS build-amd64
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ARG CARGO_BUILD_FEATURES
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ARG RUST_RELEASE_MODE
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WORKDIR /lemmy
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COPY . ./
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# Debug build
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RUN --mount=type=cache,target=/lemmy/target set -ex; \
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if [ "${RUST_RELEASE_MODE}" = "debug" ]; then \
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echo "pub const VERSION: &str = \"$(git describe --tag)\";" > crates/utils/src/version.rs; \
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cargo build --target=x86_64-unknown-linux-musl --features "${CARGO_BUILD_FEATURES}"; \
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mv target/x86_64-unknown-linux-musl/debug/lemmy_server ./lemmy; \
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fi
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# Release mode build
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RUN \
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if [ "$RUST_RELEASE_MODE" = "release" ] ; then \
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echo "pub const VERSION: &str = \"$(git describe --tag)\";" > "crates/utils/src/version.rs" \
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&& cargo build --target ${CARGO_BUILD_TARGET} --features ${CARGO_BUILD_FEATURES} --release \
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&& cp ./target/$CARGO_BUILD_TARGET/$RUST_RELEASE_MODE/lemmy_server /app/lemmy_server; \
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# Release build
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RUN set -ex; \
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if [ "${RUST_RELEASE_MODE}" = "release" ]; then \
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echo "pub const VERSION: &str = \"$(git describe --tag)\";" > crates/utils/src/version.rs; \
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cargo build --target=x86_64-unknown-linux-musl --features "${CARGO_BUILD_FEATURES}" --release; \
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mv target/x86_64-unknown-linux-musl/release/lemmy_server ./lemmy; \
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fi
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# The alpine runner
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FROM alpine:3 as lemmy
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# ARM64 builder
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FROM base-arm64 AS build-arm64
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# Install libpq for postgres
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RUN apk add --no-cache libpq
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ARG CARGO_BUILD_FEATURES
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ARG RUST_RELEASE_MODE
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# Copy resources
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COPY --from=builder /app/lemmy_server /app/lemmy
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WORKDIR /lemmy
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COPY . ./
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# Debug build
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RUN --mount=type=cache,target=/lemmy/target set -ex; \
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if [ "${RUST_RELEASE_MODE}" = "debug" ]; then \
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echo "pub const VERSION: &str = \"$(git describe --tag)\";" > crates/utils/src/version.rs; \
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cargo build --target=aarch64-unknown-linux-musl --features "${CARGO_BUILD_FEATURES}"; \
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mv target/aarch64-unknown-linux-musl/debug/lemmy_server ./lemmy; \
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fi
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# Release build
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RUN set -ex; \
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if [ "${RUST_RELEASE_MODE}" = "release" ]; then \
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echo "pub const VERSION: &str = \"$(git describe --tag)\";" > crates/utils/src/version.rs; \
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cargo build --target=aarch64-unknown-linux-musl --features "${CARGO_BUILD_FEATURES}" --release; \
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mv target/aarch64-unknown-linux-musl/release/lemmy_server ./lemmy; \
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fi
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# Get target binary
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FROM build-${TARGETARCH} AS build
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## Final image
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FROM alpine:${ALPINE_VERSION}
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ARG UID
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ARG GID
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RUN apk add --no-cache \
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ca-certificates
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COPY --from=build --chmod=0755 /lemmy/lemmy /usr/local/bin
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RUN addgroup -S -g ${GID} lemmy && \
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adduser -S -H -D -G lemmy -u ${UID} -g "" -s /sbin/nologin lemmy
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# Create non-privileged user
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RUN adduser -h /app -s sh -S -u 1000 lemmy
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RUN chown -R lemmy /app
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USER lemmy
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CMD ["/app/lemmy"]
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CMD ["lemmy"]
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EXPOSE 8536
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STOPSIGNAL SIGTERM
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