59 lines
2.0 KiB
Docker
59 lines
2.0 KiB
Docker
# syntax=docker/dockerfile:1
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# dev target: full toolchain + debug tools for development and debugging.
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# Base image and compiler are the latest stable (ubuntu:26.04 ships gcc/g++ 16).
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FROM ubuntu:26.04 AS dev
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ENV DEBIAN_FRONTEND=noninteractive
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# Optional apt mirror override, e.g. --build-arg APT_MIRROR=http://mirrors.tuna.tsinghua.edu.cn/ubuntu
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ARG APT_MIRROR=""
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RUN if [ -n "$APT_MIRROR" ]; then \
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sed -i -e "s|http://archive.ubuntu.com/ubuntu|${APT_MIRROR}|g" \
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-e "s|http://security.ubuntu.com/ubuntu|${APT_MIRROR}|g" \
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-e "s|http://ports.ubuntu.com/ubuntu-ports|${APT_MIRROR}|g" \
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/etc/apt/sources.list /etc/apt/sources.list.d/*.sources 2>/dev/null || true; \
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fi
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RUN --mount=type=cache,target=/var/lib/apt,sharing=locked \
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--mount=type=cache,target=/var/cache/apt,sharing=locked \
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apt-get update && apt-get install -y --no-install-recommends \
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build-essential \
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ca-certificates \
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cmake \
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g++-16 \
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gdb \
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git \
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ninja-build \
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pkg-config \
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&& rm -rf /var/lib/apt/lists/*
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# Pin the toolchain to GCC 16 (the distro default is still GCC 15).
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ENV CC=gcc-16
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ENV CXX=g++-16
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RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-16 100 \
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&& update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-16 100 \
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&& update-alternatives --install /usr/bin/c++ c++ /usr/bin/g++-16 100
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WORKDIR /work
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COPY . .
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# C++26 modules need CMake >= 3.28, the Ninja generator and a module-aware gcc.
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RUN cmake -S . -B build -G Ninja -DCMAKE_BUILD_TYPE=Release \
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&& cmake --build build -j \
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&& ctest --test-dir build --output-on-failure
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# deploy target: runtime dependencies + final binary, minimal and fast.
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FROM ubuntu:26.04 AS deploy
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ENV DEBIAN_FRONTEND=noninteractive
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RUN apt-get update && apt-get install -y --no-install-recommends \
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libstdc++6 \
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&& rm -rf /var/lib/apt/lists/*
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WORKDIR /app
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COPY --from=dev /work/build/bin/openra3 /app/openra3
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ENTRYPOINT ["/app/openra3"]
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