# Step 1: Use an official Python runtime as a parent image FROM python:3.9-slim # Step 2: Set the working directory in the container WORKDIR /app # Step 3: Copy the current directory contents into the container at /app COPY . /app # Step 4: Install any needed dependencies RUN pip install --no-cache-dir -r requirements.txt # Step 5: Make port 8000 available to the world outside the container EXPOSE 8000 # Step 6: Define environment variable (optional) ENV HOST=0.0.0.0 # Step 7: Run FastAPI with Uvicorn CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]