Triple-C/container/Dockerfile

FROM ubuntu:24.04

# Avoid interactive prompts during package install
ENV DEBIAN_FRONTEND=noninteractive

# ── System packages ──────────────────────────────────────────────────────────
RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    curl \
    wget \
    openssh-client \
    build-essential \
    ripgrep \
    jq \
    sudo \
    ca-certificates \
    gnupg \
    locales \
    unzip \
    pkg-config \
    libssl-dev \
    && rm -rf /var/lib/apt/lists/*

# Remove default ubuntu user to free UID 1000 for host-user remapping
RUN if id ubuntu >/dev/null 2>&1; then userdel -r ubuntu 2>/dev/null || userdel ubuntu; fi \
    && if getent group ubuntu >/dev/null 2>&1; then groupdel ubuntu 2>/dev/null || true; fi

# Set UTF-8 locale
RUN locale-gen en_US.UTF-8
ENV LANG=en_US.UTF-8
ENV LC_ALL=en_US.UTF-8

# ── GitHub CLI ───────────────────────────────────────────────────────────────
RUN curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg \
    | dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg \
    && chmod go+r /usr/share/keyrings/githubcli-archive-keyring.gpg \
    && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" \
    > /etc/apt/sources.list.d/github-cli.list \
    && apt-get update && apt-get install -y gh \
    && rm -rf /var/lib/apt/lists/*

# ── Node.js LTS (22.x) + pnpm ───────────────────────────────────────────────
RUN curl -fsSL https://deb.nodesource.com/setup_22.x | bash - \
    && apt-get install -y nodejs \
    && rm -rf /var/lib/apt/lists/* \
    && npm install -g pnpm

# ── Python 3 + pip + uv + ruff ──────────────────────────────────────────────
RUN apt-get update && apt-get install -y --no-install-recommends \
    python3 \
    python3-pip \
    python3-venv \
    && rm -rf /var/lib/apt/lists/* \
    && curl -LsSf https://astral.sh/uv/install.sh | sh \
    && curl -LsSf https://astral.sh/ruff/install.sh | sh

# ── Docker CLI (not daemon) ─────────────────────────────────────────────────
RUN install -m 0755 -d /etc/apt/keyrings \
    && curl -fsSL https://download.docker.com/linux/ubuntu/gpg \
    | gpg --dearmor -o /etc/apt/keyrings/docker.gpg \
    && chmod a+r /etc/apt/keyrings/docker.gpg \
    && echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $(. /etc/os-release && echo "$VERSION_CODENAME") stable" \
    > /etc/apt/sources.list.d/docker.list \
    && apt-get update && apt-get install -y docker-ce-cli \
    && rm -rf /var/lib/apt/lists/*

# ── AWS CLI v2 ───────────────────────────────────────────────────────────────
RUN curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" \
    && unzip awscliv2.zip && ./aws/install && rm -rf awscliv2.zip aws

# ── Non-root user with passwordless sudo ─────────────────────────────────────
RUN useradd -m -s /bin/bash -u 1000 claude \
    && echo "claude ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/claude \
    && chmod 0440 /etc/sudoers.d/claude

# ── Mount points (created as root, owned by claude) ──────────────────────────
RUN mkdir -p /workspace && chown claude:claude /workspace

# ── Rust (installed as claude user) ──────────────────────────────────────────
USER claude
WORKDIR /home/claude

RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
ENV PATH="/home/claude/.cargo/bin:${PATH}"

# Add uv/ruff to PATH (installed to /root by default, reinstall for claude user)
RUN curl -LsSf https://astral.sh/uv/install.sh | sh \
    && curl -LsSf https://astral.sh/ruff/install.sh | sh
ENV PATH="/home/claude/.local/bin:/home/claude/.cargo/bin:${PATH}"

# ── Claude Code ──────────────────────────────────────────────────────────────
RUN curl -fsSL https://claude.ai/install.sh | bash
ENV PATH="/home/claude/.claude/bin:${PATH}"

RUN mkdir -p /home/claude/.claude /home/claude/.ssh

WORKDIR /workspace

# ── Switch back to root for entrypoint (handles UID/GID remapping) ─────────
USER root
COPY entrypoint.sh /usr/local/bin/entrypoint.sh
RUN chmod +x /usr/local/bin/entrypoint.sh

ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]