| # Use Python slim image | |
| FROM python:3.11-slim | |
| # Set working directory | |
| WORKDIR /app | |
| # Install system dependencies for OpenCV | |
| RUN apt-get update && apt-get install -y --no-install-recommends \ | |
| libglib2.0-0 \ | |
| libsm6 \ | |
| libxext6 \ | |
| libxrender1 \ | |
| libgl1 \ | |
| && rm -rf /var/lib/apt/lists/* \ | |
| && apt-get clean | |
| # Copy requirements first (for caching) | |
| COPY requirements-docker.txt . | |
| # Install Python dependencies (no cache to save space) | |
| RUN pip install --no-cache-dir -r requirements-docker.txt \ | |
| && rm -rf /root/.cache/pip | |
| # Copy application code | |
| COPY app.py . | |
| COPY config.py . | |
| COPY templates/ templates/ | |
| COPY static/ static/ | |
| COPY models/ models/ | |
| COPY src/ src/ | |
| # Expose port | |
| EXPOSE 5000 | |
| # Set environment variables | |
| ENV FLASK_APP=app.py | |
| ENV FLASK_ENV=production | |
| ENV PYTHONUNBUFFERED=1 | |
| # Run with gunicorn for production | |
| # Railway provides PORT env variable | |
| CMD gunicorn --bind 0.0.0.0:${PORT:-5000} --workers 1 --threads 2 --timeout 120 app:app | |