# Hugging Face Spaces — Docker SDK router image.
# Runs the unified router on port 7860 (HF's required port) as non-root.
FROM python:3.11-slim

# Create a non-root user (HF Spaces requires running as uid 1000).
RUN useradd -m -u 1000 user
WORKDIR /app

# Install dependencies first (better Docker layer caching).
COPY --chown=user requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

# Copy the source tree. models.json is a STUB here — the real config (with
# keys) is fetched at runtime via the MODELS_URL env secret, so no keys ever
# live in the public image. See scripts/deploy_hf.sh.
COPY --chown=user src/ ./src/
RUN mkdir -p data && echo '{}' > data/models.json

# Copy the dreamy website into static/ so FastAPI serves it at the same origin
# (login.html, dashboard.html, css/, js/, assets/).
COPY --chown=user static/ ./static/

# Switch to the non-root user for everything that follows.
USER user

# Environment variables for the non-root shell.
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    PYTHONUNBUFFERED=1

# HF Spaces expects the app to listen on port 7860.
EXPOSE 7860

# uvicorn serves src.app:app (module-level `app = create_app()`).
# IMPORTANT: exactly ONE worker. This app is stateful (in-memory OAuth state,
# balance cache, and background payment/tracker coroutines that credit users).
# Multiple workers would split that state, race the same gists, and could
# credit the same ETH deposit twice. cpu-basic handles our scale single-threaded.
CMD ["uvicorn", "src.app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]