136 lines
3.5 KiB
Docker
136 lines
3.5 KiB
Docker
# syntax=docker/dockerfile:1
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########################
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# Stage 1: build deps #
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########################
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FROM alpine:3.19 AS builder
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# Enable static builds with musl
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ENV CFLAGS="-static -O2" \
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CXXFLAGS="-static -O2" \
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LDFLAGS="-static"
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# Install build dependencies
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RUN echo "https://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories && \
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apk update && \
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apk add --no-cache \
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build-base \
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cmake \
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ninja \
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git \
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wget \
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curl \
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openssl-dev \
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zlib-static \
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zlib-dev \
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linux-headers \
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bash \
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ccache \
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mold \
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musl-dev \
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gcc \
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g++ \
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make \
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python3 \
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bison \
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flex \
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texinfo \
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gperf \
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help2man \
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gettext-dev \
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autoconf \
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automake \
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libtool \
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patch \
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gawk \
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xz-dev \
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crosstool-ng
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########################################
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# nlohmann/json (compiled static .a) #
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########################################
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ARG JSON_VERSION=3.11.3
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RUN git clone --depth 1 --branch v${JSON_VERSION} https://github.com/nlohmann/json.git /tmp/json && \
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cmake -S /tmp/json -B /tmp/json/build \
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-DJSON_BuildTests=OFF \
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-DJSON_MultipleHeaders=OFF \
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-DBUILD_SHARED_LIBS=OFF && \
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cmake --build /tmp/json/build --config Release && \
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cmake --install /tmp/json/build
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#############################
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# cpp‑httplib (header‑only) #
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#############################
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RUN wget -q https://raw.githubusercontent.com/yhirose/cpp-httplib/master/httplib.h \
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-O /usr/local/include/httplib.h
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##################################
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# libassert (build static .a) #
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##################################
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ARG LIBASSERT_VERSION=v2.1.5
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RUN git clone --depth 1 --branch ${LIBASSERT_VERSION} https://github.com/jeremy-rifkin/libassert.git /tmp/libassert && \
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cmake -S /tmp/libassert -B /tmp/libassert/build \
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-DLIBASSERT_BUILD_TESTS=OFF \
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-DLIBASSERT_BUILD_EXAMPLES=OFF \
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-DLIBASSERT_BUILD_STATIC=ON && \
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cmake --build /tmp/libassert/build --config Release && \
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cmake --install /tmp/libassert/build
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#####################
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# zlib (static .a) #
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#####################
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ARG ZLIB_VERSION=1.3.1
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RUN wget -q https://zlib.net/zlib-${ZLIB_VERSION}.tar.gz && \
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tar xzf zlib-${ZLIB_VERSION}.tar.gz && \
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cd zlib-${ZLIB_VERSION} && \
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./configure --static && \
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make -j$(nproc) && \
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make install && \
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cd .. && rm -rf zlib-${ZLIB_VERSION}*
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##############################
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# Reduce size of .a archives #
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##############################
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RUN strip --strip-unneeded /usr/local/lib/*.a
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############################
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# Stage 2: final build kit #
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############################
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FROM alpine:3.19
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# Install core toolchain for building apps
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RUN echo "https://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories && \
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apk update && \
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apk add --no-cache \
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build-base \
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cmake \
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ninja \
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git \
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openssl-dev \
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zlib-static \
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bash \
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wget \
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curl \
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linux-headers \
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ccache \
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mold \
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crosstool-ng
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# Configure mold as the default linker
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ENV LD=mold
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# Copy pre‑built static libs + headers and cross-compiler toolchain
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COPY --from=builder /usr/local /usr/local
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# Add toolchain to PATH
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ENV PATH="/opt/cross/bin:${PATH}"
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ENV CFLAGS="-static -O2" \
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CXXFLAGS="-static -O2" \
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LDFLAGS="-static"
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WORKDIR /workspace
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ENTRYPOINT ["/bin/bash"]
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