76 lines
2.1 KiB
Docker
76 lines
2.1 KiB
Docker
# Initially I wanted to build a slim image using this Dockerfile and static linking.
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# It would use something like this in Cargo.toml:
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#
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# [build-dependencies.clang]
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# version = "2.0.0"
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# default-features = false
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# features = ["static"]
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#
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# [build-dependencies.clang-sys]
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# version = "1.7.0"
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# default-features = false
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# features = ["clang_16_0", "static"]
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#
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# But there are a lot of problems with static linking and clang & clang-sys crates:
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# - https://github.com/KyleMayes/clang-sys/issues/174
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# - https://github.com/KyleMayes/clang-rs/issues/17
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# - https://github.com/KyleMayes/clang-sys/issues/148 (this is the one I *like* the most!)
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#
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# So, no static linking for now, but I don't wanna erase all this gorgeous Dockerfile code, so... I'll let it linger
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# in the repo for now.
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# Stage 1: Build the Rust application
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FROM rust:1.78-alpine AS builder
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# Set the working directory
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WORKDIR /usr/src/
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# Install necessary packages
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RUN apk add --no-cache \
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ffmpeg-libs \
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ffmpeg-dev \
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pkgconf \
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musl-dev \
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clang16-static \
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llvm-dev \
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zlib-dev \
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libffi-dev \
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ncurses-dev \
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gcc \
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g++ \
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git \
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build-base
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# Add target for musl
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RUN rustup target add x86_64-unknown-linux-musl
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# Create a new Rust project
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RUN USER=root cargo new atranscoder-rpc
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WORKDIR /usr/src/atranscoder-rpc
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# Copy the manifest and lock files
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COPY Cargo.toml Cargo.lock ./
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# Set the environment variable for libclang path
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ENV LIBCLANG_PATH=/usr/lib/llvm16/lib
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ENV PKG_CONFIG_PATH=/usr/lib/pkgconfig
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# Build dependencies to cache them
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RUN cargo build --release --target x86_64-unknown-linux-musl
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# Copy the source code
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COPY src ./src
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# Build the project and install the binary
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RUN cargo install --target x86_64-unknown-linux-musl --path . && \
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mkdir -p /result/{tmp,bin} && \
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mv /usr/local/cargo/bin/atranscoder-rpc /result/bin
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# Stage 2: Create the final minimal image
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FROM scratch
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COPY --from=builder /usr/bin/dumb-init /bin/
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COPY --from=builder /result/bin /bin
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COPY --from=builder /result/tmp /tmp
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EXPOSE 8090
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ENTRYPOINT ["/bin/dumb-init", "--", "/bin/atranscoder-rpc"]
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