| FROM python:3.10-slim | |
| # Optimizations for RunPod / Production | |
| # 1. Prevent Python from buffering stdout/stderr (ensures logs show up immediately in RunPod console) | |
| ENV PYTHONUNBUFFERED=1 | |
| # 2. Prevent Python from writing .pyc files | |
| ENV PYTHONDONTWRITEBYTECODE=1 | |
| WORKDIR /app | |
| # Install system dependencies | |
| # 'build-essential' is often needed for compiling python packages | |
| # 'curl' is added for the Healthcheck | |
| RUN apt-get update && apt-get install -y \ | |
| build-essential \ | |
| curl \ | |
| && rm -rf /var/lib/apt/lists/* | |
| # Copy requirements first to leverage Docker cache | |
| COPY requirements.txt . | |
| # Install Python dependencies | |
| RUN pip install --no-cache-dir --upgrade pip && \ | |
| pip install --no-cache-dir -r requirements.txt | |
| # Copy the rest of the application | |
| COPY . . | |
| # Expose the API port | |
| EXPOSE 8000 | |
| # Healthcheck (Optional but recommended for RunPod reliability) | |
| # It pings the root endpoint to ensure the server is responsive | |
| HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \ | |
| CMD curl -f http://0.0.0.0:8000/ || exit 1 | |
| # Launch the FastAPI server | |
| # 0.0.0.0 is critical for container networking | |
| CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"] | |