Dockerfile

# Stage 1: Build Stage
FROM python:3.11 AS builder

# Set working directory in the container
WORKDIR /app

# Copy only requirements to leverage Docker layer caching
COPY requirements.txt .

# Create a virtual environment and activate it
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

# Install project dependencies within the virtual environment
RUN pip install --no-cache-dir -r requirements.txt

# Stage 2: Production Stage
FROM python:3.11-slim

# Set working directory in the container
WORKDIR /app

# Copy only necessary files from the builder stage, including the virtual environment
COPY --from=builder /opt/venv /opt/venv
COPY . .

# Set the environment variable to use the virtual environment
ENV PATH="/opt/venv/bin:$PATH"

# Expose the port where the FastAPI app will run
EXPOSE 8080

# Command to run the FastAPI app using Uvicorn or other ASGI servers
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8080"]