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# Multi-stage build for production optimization
FROM python:3.11-slim as builder
# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
PYTHONUNBUFFERED=1 \
PYTHONHASHSEED=random \
PIP_NO_CACHE_DIR=1 \
PIP_DISABLE_PIP_VERSION_CHECK=1
# Install system dependencies
RUN apt-get update && apt-get install -y \
build-essential \
curl \
&& rm -rf /var/lib/apt/lists/*
# Create and set working directory
WORKDIR /build
# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN pip install --user --no-cache-dir -r requirements.txt
# Production stage
FROM python:3.11-slim as production
# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
PYTHONUNBUFFERED=1 \
PYTHONHASHSEED=random \
PATH="/home/appuser/.local/bin:${PATH}"
# Create non-root user for security
RUN groupadd --gid 1000 appuser && \
useradd --uid 1000 --gid appuser --shell /bin/bash --create-home appuser
# Install runtime dependencies
RUN apt-get update && apt-get install -y \
curl \
&& rm -rf /var/lib/apt/lists/*
# Set working directory
WORKDIR /app
# Copy Python dependencies from builder stage
COPY --from=builder /root/.local /home/appuser/.local
# Copy application code
COPY --chown=appuser:appuser app/ ./app/
COPY --chown=appuser:appuser .env.example .env
# Create necessary directories
RUN mkdir -p /app/logs && \
chown -R appuser:appuser /app
# Switch to non-root user
USER appuser
# Expose port
EXPOSE 8000
# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
CMD curl -f http://localhost:8000/health || exit 1
# Run the application
COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh
ENTRYPOINT ["./entrypoint.sh"]