haskell-devcontainer/Dockerfile at master · ivelten/haskell-devcontainer · GitHub

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FROM mcr.microsoft.com/devcontainers/base:debian

# Avoid prompts from apt
ENV DEBIAN_FRONTEND=noninteractive

# 1. Install System Dependencies
RUN apt-get update && apt-get upgrade -y && apt-get install -y \
    build-essential \
    curl \
    git \
    libffi-dev \
    libgmp-dev \
    libssl-dev \
    libtinfo-dev \
    pkg-config \
    zlib1g-dev \
    socat \
    procps \
    && apt-get clean && rm -rf /var/lib/apt/lists/*

# 2. Install Node.js 22 LTS from NodeSource (newer runtime with security patches)
RUN curl -fsSL https://deb.nodesource.com/setup_22.x | bash - && \
    apt-get install -y nodejs && \
    apt-get clean && rm -rf /var/lib/apt/lists/*

# 3. Install direnv from GitHub releases (newer Go build addresses stdlib CVEs)
RUN ARCH=$(dpkg --print-architecture) && \
    curl -fsSL "https://github.com/direnv/direnv/releases/latest/download/direnv.linux-${ARCH}" -o /usr/local/bin/direnv && \
    chmod +x /usr/local/bin/direnv

# 4. Install Claude Code CLI globally via NPM
RUN npm install -g @anthropic-ai/claude-code

# Switch to the non-root 'vscode' user provided by the base image
USER vscode
SHELL ["/bin/bash", "-c"]

# 5. Configure Haskell Environment Path
# Ensures ghcup, cabal, and stack binaries are prioritized in the PATH
ENV PATH="/home/vscode/.cabal/bin:/home/vscode/.local/bin:/home/vscode/.ghcup/bin:$PATH"

# 6. Install Haskell Toolchain (GHCup, GHC, Cabal, HLS, Stack)
# Using GHC 9.10.3 as the primary compiler version
RUN curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | \
    BOOTSTRAP_HASKELL_NONINTERACTIVE=1 \
    BOOTSTRAP_HASKELL_GHC_VERSION=9.10.3 \
    BOOTSTRAP_HASKELL_CABAL_VERSION=3.12.1.0 \
    BOOTSTRAP_HASKELL_INSTALL_STACK=1 \
    BOOTSTRAP_HASKELL_INSTALL_HLS=1 sh && \
    ghcup set ghc 9.10.3

# 7. Install Haskell Tools (Hoogle, Ormolu, Fast-Tags, DAP Adapters)
RUN cabal update && \
    cabal install hoogle fast-tags ormolu cabal-gild \
    haskell-dap ghci-dap haskell-debug-adapter \
    --overwrite-policy=always && \
    hoogle generate

# 8. Cabal Performance Tuning
RUN mkdir -p ~/.cabal && \
    echo "jobs: \$ncpus" >> ~/.cabal/config && \
    echo "documentation: False" >> ~/.cabal/config

# 9. Shell Integration (Direnv & Welcome Message)
RUN echo 'eval "$(direnv hook bash)"' >> ~/.bashrc && \
    echo 'eval "$(direnv hook zsh)"' >> ~/.zshrc && \
    echo -e "🖥️ Haskell Dev Env Ready!\n- Claude Code CLI\n- GHC 9.10.3\n- Tools: Hoogle, Ormolu, HLS" > /home/vscode/.welcome_message && \
    echo 'cat /home/vscode/.welcome_message' >> ~/.bashrc

WORKDIR /workspaces/haskell

# Re-enable interactive prompts
ENV DEBIAN_FRONTEND=dialog