Dockerfile

# Build frontend
FROM node:18-alpine as frontend-build

WORKDIR /app/frontend

COPY frontend/package*.json ./
RUN npm ci

COPY frontend/ ./
RUN npm run build

# Build backend
FROM python:3.11-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    && rm -rf /var/lib/apt/lists/*

# Copy backend
COPY backend/ ./

# Install Python dependencies
RUN pip install --no-cache-dir -e .

# Copy built frontend
COPY --from=frontend-build /app/frontend/build /app/frontend/build

# Create storage directory
RUN mkdir -p /root/.seq-fetch-web/downloads

# Expose port
EXPOSE 8000

# Set environment variables
ENV HOST=0.0.0.0
ENV PORT=8000
ENV DEBUG=false

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"

# Run server
CMD ["python", "-m", "app.main"]