wasm-builder/Dockerfile.binaryen at main · discere-os/wasm-builder · GitHub

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# Binaryen Component - Emscripten 4.0.16
# Builds Binaryen optimization tools from source
#
# Binaryen revision: c326e66bddcbb899e47358857e3c8ea1a70b6466
# From: emscripten-releases DEPS file for version 4.0.16
#
# Build: docker build -f Dockerfile.binaryen -t ghcr.io/discere-os/wasm-builder-binaryen:c326e66b .
# Time: ~5-10 minutes
# Size: ~200-300MB

#
# Stage 0: Node.js base (shared by all stages)
#
FROM ubuntu:24.04 AS nodejs-base

ENV DEBIAN_FRONTEND=noninteractive
ENV LANG=C.UTF-8
ENV LC_ALL=C.UTF-8
ENV TZ=Pacific/Auckland

# Install Node.js 22 once, shared by all stages
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    ca-certificates \
    && curl -fsSL https://deb.nodesource.com/setup_22.x | bash - && \
    apt-get install -y nodejs && \
    rm -rf /var/lib/apt/lists/*

#
# Stage 1: Builder base
#
FROM nodejs-base AS builder-base

# Install build dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    # Core build tools
    build-essential \
    cmake \
    ninja-build \
    git \
    python3 \
    python3-pip \
    # Download tools
    curl \
    wget \
    ca-certificates \
    # Utilities
    pkg-config \
    file \
    && rm -rf /var/lib/apt/lists/*

#
# Stage 2: Build Binaryen
#
FROM builder-base AS binaryen-builder

# Binaryen revision from emscripten-releases DEPS file for version 4.0.16
# See: https://github.com/emscripten-core/emscripten/blob/main/docs/packaging.md
# This exact commit ensures compatibility with Emscripten 4.0.16
ARG BINARYEN_REVISION=c326e66bddcbb899e47358857e3c8ea1a70b6466

WORKDIR /build

# Clone Binaryen at specific revision
RUN git clone --depth 1 https://github.com/WebAssembly/binaryen.git && \
    cd binaryen && \
    git fetch --depth 1 origin ${BINARYEN_REVISION} && \
    git checkout ${BINARYEN_REVISION} && \
    git submodule update --init --force

# Build Binaryen
RUN mkdir binaryen/build && cd binaryen/build && \
    cmake -G Ninja \
        -DCMAKE_BUILD_TYPE=Release \
        -DCMAKE_INSTALL_PREFIX=/opt/binaryen \
        .. && \
    ninja && \
    ninja install

# Strip debug symbols from binaries to reduce size
RUN strip /opt/binaryen/bin/* 2>/dev/null || true

# Verify required Binaryen tools exist
RUN for tool in wasm-opt wasm-emscripten-finalize wasm-as wasm-dis wasm2js wasm-metadce; do \
        if [ ! -f "/opt/binaryen/bin/$tool" ]; then \
            echo "ERROR: Required tool $tool not found"; \
            exit 1; \
        fi; \
    done

# Clean up build artifacts
RUN rm -rf /build && \
    echo "Binaryen build complete" && \
    echo "Binaryen size: $(du -sh /opt/binaryen | cut -f1)"

# Final stage - Binaryen only
FROM ubuntu:24.04

COPY --from=binaryen-builder /opt/binaryen /opt/binaryen

ENV PATH="/opt/binaryen/bin:${PATH}"

# Verify installation
RUN wasm-opt --version && \
    echo "Binaryen Component Ready"

WORKDIR /workspace