FROM python:3.11-slim

# ---- system deps ----
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl wget git htop nano vim sudo \
    build-essential net-tools procps \
    ca-certificates gnupg lsb-release \
    openssh-client jq tree unzip zip \
    && curl -fsSL https://code-server.dev/install.sh | sh \
    && apt-get clean && rm -rf /var/lib/apt/lists/*

# ---- Node.js 20 LTS ----
RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
    && apt-get install -y --no-install-recommends nodejs \
    && npm install -g yarn pnpm typescript ts-node nodemon \
    && apt-get clean && rm -rf /var/lib/apt/lists/*

# ---- Python deps (from PyPI) ----
RUN pip install --no-cache-dir \
    requests ipython huggingface_hub transformers \
    numpy pandas scipy scikit-learn matplotlib \
    flask fastapi uvicorn jupyter \
    black ruff pylint

# ---- PyTorch CPU-only (from PyTorch index) ----
RUN pip install --no-cache-dir \
    torch torchvision torchaudio \
    --extra-index-url https://download.pytorch.org/whl/cpu

# ---- create user WITH PASSWORD + sudo ----
RUN useradd -m -u 1000 -s /bin/bash user \
    && echo "user:user123" | chpasswd \
    && usermod -aG sudo user \
    && echo "user ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/user \
    && chmod 0440 /etc/sudoers.d/user

# ---- switch to user ----
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH
WORKDIR /home/user

# ---- workspace + code-server extensions ----
RUN mkdir -p /home/user/workspace /home/user/.local/share/code-server

RUN code-server --install-extension ms-python.python \
    && code-server --install-extension esbenp.prettier-vscode \
    && code-server --install-extension bradlc.vscode-tailwindcss \
    && code-server --install-extension formulahendry.auto-rename-tag

# ---- code-server settings ----
RUN mkdir -p /home/user/.local/share/code-server/User \
    && echo '{\n\
  "workbench.colorTheme": "Default Dark Modern",\n\
  "editor.fontSize": 14,\n\
  "editor.formatOnSave": true,\n\
  "terminal.integrated.defaultProfile.linux": "bash",\n\
  "extensions.autoUpdate": true\n\
}' > /home/user/.local/share/code-server/User/settings.json

EXPOSE 7860

CMD ["code-server", \
     "--bind-addr", "0.0.0.0:7860", \
     "--auth", "none", \
     "--disable-telemetry", \
     "/home/user/workspace"]