Antonio Cossari
92 lines
3.6 KiB
Docker
92 lines
3.6 KiB
Docker
# Development environment for webserv.
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#
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# Target platform is Linux, because that is what the Codam VMs run and what the
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# official testers are built for. The base is Ubuntu 22.04, the same release
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# those VMs run, so this image is that environment rather than something close
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# to it. A newer base would be the permissive side of the difference: its glibc
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# accepts everything the older one does and more, so code that cannot run at
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# school would still build clean here. On 24.04 a plain std::strtoul compiles
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# into a call to __isoc23_strtoul, a GLIBC_2.38 symbol that 22.04 does not have,
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# at every -std= and not only at C++23.
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#
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# 22.04 ships neither compiler this project needs, so two repositories are
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# added: ubuntu-toolchain-r/test for g++ 14, apt.llvm.org for clang 18. Both
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# publish builds made for 22.04, which is what keeps the produced binary
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# runnable there.
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#
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# libc++ is installed alongside libstdc++ for one specific reason: clang 18
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# reports __cpp_concepts as 201907, and libstdc++ gates <expected> on 202002L,
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# so clang + libstdc++ compiles "#include <expected>" into nothing at all. The
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# control build with clang — a second opinion on warnings, and the sanitizers —
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# would die on the first function returning Result<T>. "make check-clang" passes
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# -stdlib=libc++ for exactly this.
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FROM ubuntu:22.04
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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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ca-certificates \
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gnupg \
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wget \
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lsb-release \
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software-properties-common \
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&& add-apt-repository -y ppa:ubuntu-toolchain-r/test \
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&& wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key \
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| gpg --dearmor -o /usr/share/keyrings/llvm-archive-keyring.gpg \
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&& echo "deb [signed-by=/usr/share/keyrings/llvm-archive-keyring.gpg]" \
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"http://apt.llvm.org/jammy/ llvm-toolchain-jammy-18 main" \
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> /etc/apt/sources.list.d/llvm.list \
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&& apt-get update
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RUN apt-get install -y --no-install-recommends \
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build-essential \
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g++-14 \
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clang-18 \
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clang-tidy-18 \
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clang-format-18 \
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libc++-18-dev \
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libc++abi-18-dev \
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libclang-rt-18-dev \
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gdb \
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valgrind \
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strace \
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make \
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git \
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curl \
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siege \
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python3 \
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python3-pip \
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net-tools \
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iproute2 \
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procps \
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less \
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vim \
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&& rm -rf /var/lib/apt/lists/*
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# Make the versioned tools the defaults, so "c++", "g++", "clang++",
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# "clang-tidy" and "clang-format" all point at something that understands C++23.
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# Without the last two the Makefile would have to hardcode Ubuntu's versioned
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# names, which are wrong everywhere else — Codam included.
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RUN update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-14 100 \
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&& update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-14 100 \
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&& update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-18 100 \
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&& update-alternatives --install /usr/bin/c++ c++ /usr/bin/g++-14 100 \
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&& update-alternatives --install /usr/bin/clang-tidy clang-tidy \
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/usr/bin/clang-tidy-18 100 \
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&& update-alternatives --install /usr/bin/clang-format clang-format \
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/usr/bin/clang-format-18 100
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# Run as a normal user whose uid/gid match the host account, so files created
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# inside the container (object files, uploads, test output) do not end up owned
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# by root on the macOS side of the bind mount.
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ARG UID=1000
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ARG GID=1000
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RUN if getent passwd ${UID} >/dev/null; then userdel -r "$(getent passwd ${UID} | cut -d: -f1)"; fi \
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&& groupadd -g ${GID} dev 2>/dev/null || true \
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&& useradd -m -u ${UID} -g ${GID} -s /bin/bash dev
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USER dev
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WORKDIR /webserv
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CMD ["/bin/bash"]
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