Dockerfile

FROM python:3.11-slim-bookworm

ENV DEBIAN_FRONTEND=noninteractive
ENV TZ=Etc/UTC
ENV PORT=7860
ENV HOME=/home/coder
ENV PIP_DISABLE_PIP_VERSION_CHECK=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

ARG CODE_SERVER_VERSION=4.109.2
ARG KOTLIN_VERSION=1.9.25
ARG ANDROID_CMDLINE_TOOLS_VERSION=11076708
ARG ANDROID_PLATFORM=34
ARG ANDROID_BUILD_TOOLS=34.0.0

ENV KOTLIN_HOME=/opt/kotlin
ENV ANDROID_SDK_ROOT=/opt/android-sdk
ENV ANDROID_HOME=/opt/android-sdk
ENV PATH="${PATH}:${KOTLIN_HOME}/bin:${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin:${ANDROID_SDK_ROOT}/platform-tools"

RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates curl git bash sudo tini jq procps unzip \
    # C/C++ toolchain + headers
    build-essential gcc g++ make cmake ninja-build gdb clang clangd \
    libc6-dev linux-libc-dev pkg-config \
    # Java + Node
    openjdk-17-jdk-headless maven \
    nodejs npm \
    # Databases
    default-mysql-server default-mysql-client \
    postgresql postgresql-client \
    redis-server redis-tools \
    # Rust + Go
    rustc cargo rustfmt \
    golang-go \
    && rm -rf /var/lib/apt/lists/*

# Install code-server (pinned version)
RUN curl -fsSL "https://github.com/coder/code-server/releases/download/v${CODE_SERVER_VERSION}/code-server_${CODE_SERVER_VERSION}_amd64.deb" -o /tmp/code-server.deb \
    && dpkg -i /tmp/code-server.deb \
    && rm -f /tmp/code-server.deb

# Kotlin compiler
RUN curl -fsSL "https://github.com/JetBrains/kotlin/releases/download/v${KOTLIN_VERSION}/kotlin-compiler-${KOTLIN_VERSION}.zip" -o /tmp/kotlin.zip \
    && unzip -q /tmp/kotlin.zip -d /opt \
    && mv /opt/kotlinc "${KOTLIN_HOME}" \
    && ln -s "${KOTLIN_HOME}/bin/kotlin" /usr/local/bin/kotlin \
    && ln -s "${KOTLIN_HOME}/bin/kotlinc" /usr/local/bin/kotlinc \
    && rm -f /tmp/kotlin.zip

# Android SDK command-line tools + common packages
RUN mkdir -p "${ANDROID_SDK_ROOT}/cmdline-tools" \
    && curl -fsSL "https://dl.google.com/android/repository/commandlinetools-linux-${ANDROID_CMDLINE_TOOLS_VERSION}_latest.zip" -o /tmp/android-tools.zip \
    && unzip -q /tmp/android-tools.zip -d "${ANDROID_SDK_ROOT}/cmdline-tools" \
    && mv "${ANDROID_SDK_ROOT}/cmdline-tools/cmdline-tools" "${ANDROID_SDK_ROOT}/cmdline-tools/latest" \
    && rm -f /tmp/android-tools.zip \
    && yes | "${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin/sdkmanager" --sdk_root="${ANDROID_SDK_ROOT}" --licenses \
    && "${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin/sdkmanager" --sdk_root="${ANDROID_SDK_ROOT}" \
      "platform-tools" "platforms;android-${ANDROID_PLATFORM}" "build-tools;${ANDROID_BUILD_TOOLS}"

# Python core deps
RUN pip install --no-cache-dir --upgrade pip setuptools wheel && \
    pip install --no-cache-dir \
    numpy pandas scipy scikit-learn matplotlib \
    jupyterlab ipykernel notebook \
    requests httpx aiohttp pyyaml python-dotenv tqdm rich \
    fastapi uvicorn[standard] pydantic flask \
    sqlalchemy alembic psycopg2-binary redis \
    pytest black isort ruff mypy

# Codex CLI
RUN npm install -g @openai/codex && npm cache clean --force

# Create user
RUN useradd -m -u 1000 -s /bin/bash coder \
    && echo "coder ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers \
    && mkdir -p /home/coder/.config/code-server /home/coder/.codex \
    && chown -R coder:coder /home/coder /opt/kotlin /opt/android-sdk

# Quick C build check (build-time)
RUN printf '#include <stdio.h>\nint main(){puts("ok");return 0;}\n' > /tmp/t.c \
    && gcc /tmp/t.c -o /tmp/t \
    && /tmp/t | grep -q ok \
    && rm -f /tmp/t.c /tmp/t

COPY --chown=coder:coder start.sh /usr/local/bin/start.sh
RUN chmod +x /usr/local/bin/start.sh

USER coder
WORKDIR /home/coder

EXPOSE 7860
ENTRYPOINT ["/usr/bin/tini", "--"]
CMD ["/usr/local/bin/start.sh"]