Dockerfile

# Build stage
FROM python:3.12-slim AS builder

WORKDIR /build

# Copy requirements first to leverage Docker cache
COPY requirements.txt .

# Install build dependencies and Python packages
RUN apt-get update \
    && apt-get install -y --no-install-recommends gcc python3-dev \
    && pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir --timeout 1000 -r requirements.txt \
    && rm -rf /var/lib/apt/lists/*

# Runtime stage
FROM python:3.12-slim

# Set Python environment variables
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1

# Install Git
RUN apt-get update \
    && apt-get install -y --no-install-recommends git curl\
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Create a non-root user
RUN useradd -m -u 1000 appuser

COPY --from=builder /usr/local/lib/python3.12/site-packages/ /usr/local/lib/python3.12/site-packages/
COPY src/ ./

# Change ownership of the application files
RUN chown -R appuser:appuser /app

# Switch to non-root user
USER appuser

EXPOSE 8000

CMD ["python", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]