- Add Containerfile with multi-stage build for minimal image - Add .containerignore to exclude unnecessary files - Add /health endpoint for container health checks - Update main.py to expose Flask app for gunicorn Uses Python 3.12-slim base, runs as non-root user, exposes port 8000.
52 lines
1.3 KiB
Docker
52 lines
1.3 KiB
Docker
# Build stage - install dependencies
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FROM python:3.12-slim AS builder
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WORKDIR /app
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# Install uv for fast dependency management
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COPY --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/uv
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# Copy dependency files
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COPY pyproject.toml uv.lock ./
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# Install production dependencies only
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RUN uv sync --frozen --no-dev --no-install-project
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# Runtime stage - minimal image
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FROM python:3.12-slim AS runtime
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WORKDIR /app
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# Create non-root user
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RUN useradd --create-home --shell /bin/bash appuser
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# Copy virtual environment from builder
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COPY --from=builder /app/.venv /app/.venv
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# Copy application code
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COPY src/ ./src/
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COPY migrations/ ./migrations/
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COPY alembic.ini main.py ./
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# Set environment variables
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ENV PATH="/app/.venv/bin:$PATH"
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ENV PYTHONUNBUFFERED=1
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ENV PYTHONDONTWRITEBYTECODE=1
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ENV FLASK_ENV=production
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# Create data directory and set permissions
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RUN mkdir -p /app/data && chown -R appuser:appuser /app
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# Switch to non-root user
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USER appuser
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# Expose port
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EXPOSE 8000
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# Health check
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HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
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CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')" || exit 1
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# Run with gunicorn
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CMD ["gunicorn", "--bind", "0.0.0.0:8000", "--workers", "2", "--threads", "4", "main:app"]
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