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| FROM python:3.12-slim | |
| ENV PYTHONDONTWRITEBYTECODE=1 | |
| ENV PYTHONUNBUFFERED=1 | |
| WORKDIR /app | |
| RUN useradd --create-home appuser | |
| # Install dependencies in a cached layer that only invalidates when | |
| # pyproject.toml changes. The dep list is extracted from pyproject.toml at | |
| # build time so there's no duplication between the two files. | |
| COPY pyproject.toml README.md /app/ | |
| RUN pip install --no-cache-dir --upgrade pip && \ | |
| python -c "import tomllib; print('\n'.join(tomllib.load(open('pyproject.toml', 'rb'))['project']['dependencies']))" > /tmp/requirements.txt && \ | |
| pip install --no-cache-dir -r /tmp/requirements.txt && \ | |
| rm /tmp/requirements.txt | |
| # Copy the full source tree and register the project itself. --no-deps is | |
| # safe because the deps layer above has already resolved everything, and it | |
| # keeps this layer fast: editing a single source file re-runs a few-second | |
| # package registration instead of a multi-minute dependency solve. | |
| COPY . /app | |
| RUN pip install --no-cache-dir --no-deps . | |
| RUN chown -R appuser:appuser /app | |
| USER appuser | |
| EXPOSE 8000 | |
| HEALTHCHECK --interval=30s --timeout=5s --retries=3 \ | |
| CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')" || exit 1 | |
| CMD ["uvicorn", "chargeback_ops.server.app:app", "--host", "0.0.0.0", "--port", "8000"] | |