| # Use an official Python runtime as a parent image | |
| FROM python:3.10-slim | |
| # Install system dependencies | |
| RUN apt-get update && apt-get install -y --no-install-recommends \ | |
| build-essential \ | |
| libpq-dev \ | |
| gcc \ | |
| && rm -rf /var/lib/apt/lists/* | |
| # Set the working directory in the container | |
| WORKDIR /app | |
| # Copy only the requirements file to leverage Docker cache | |
| COPY requirements.txt /app/ | |
| # Install any needed packages specified in requirements.txt | |
| RUN pip install --no-cache-dir --upgrade pip | |
| # Install gunicorn separately to capture any errors | |
| RUN pip install --no-cache-dir gunicorn | |
| # Install the rest of the requirements | |
| RUN pip install --no-cache-dir -r requirements.txt | |
| # Verify gunicorn installation | |
| RUN which gunicorn | |
| # Copy the current directory contents into the container | |
| COPY . /app | |
| # Expose the port that the FastAPI app runs on | |
| EXPOSE 8001 | |
| # Command to run the app with Gunicorn and Uvicorn workers | |
| CMD ["gunicorn", "-k", "uvicorn.workers.UvicornWorker", "--workers", "4", "--bind", "0.0.0.0:8001", "main:app"] |