Construir una aplicación Python

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# Build stage: build a venv with everything installed into it.
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FROM ghcr.io/quenchworks/images/python:3.13 AS build
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WORKDIR /app
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ENV VIRTUAL_ENV=/opt/venv \
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    PATH="/opt/venv/bin:$PATH"
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RUN ["python", "-m", "venv", "/opt/venv"]
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COPY requirements.txt ./
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RUN ["pip", "install", "--no-cache-dir", "-r", "requirements.txt"]
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COPY . .
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# Runtime stage: copy the venv onto a clean python base, run nonroot.
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FROM ghcr.io/quenchworks/images/python:3.13 AS runtime
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WORKDIR /app
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ENV VIRTUAL_ENV=/opt/venv \
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    PATH="/opt/venv/bin:$PATH" \
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    PYTHONUNBUFFERED=1
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COPY --from=build /opt/venv /opt/venv
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COPY --from=build /app /app
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USER 1001
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EXPOSE 8000
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CMD ["python", "-m", "app"]

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# Build stage: uv resolves and installs into a project venv, fast.
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FROM ghcr.io/quenchworks/images/uv:0.11 AS build
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WORKDIR /app
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ENV UV_PROJECT_ENVIRONMENT=/opt/venv \
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    UV_COMPILE_BYTECODE=1
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# Install dependencies first (cached) from the lockfile, then the project.
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COPY pyproject.toml uv.lock ./
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RUN ["uv", "sync", "--frozen", "--no-install-project", "--no-dev"]
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COPY . .
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RUN ["uv", "sync", "--frozen", "--no-dev"]
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FROM ghcr.io/quenchworks/images/python:3.13 AS runtime
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WORKDIR /app
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ENV PATH="/opt/venv/bin:$PATH" \
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    PYTHONUNBUFFERED=1
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COPY --from=build /opt/venv /opt/venv
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COPY --from=build /app /app
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USER 1001
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EXPOSE 8000
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CMD ["python", "-m", "app"]

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# Build stage: Poetry installs into a venv at a known path.
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FROM ghcr.io/quenchworks/images/poetry:2 AS build
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WORKDIR /app
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ENV POETRY_VIRTUALENVS_IN_PROJECT=true \
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    POETRY_NO_INTERACTION=1
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COPY pyproject.toml poetry.lock ./
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RUN ["poetry", "install", "--only", "main", "--no-root"]
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COPY . .
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RUN ["poetry", "install", "--only", "main"]
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FROM ghcr.io/quenchworks/images/python:3.13 AS runtime
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WORKDIR /app
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ENV PATH="/app/.venv/bin:$PATH" \
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    PYTHONUNBUFFERED=1
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COPY --from=build /app/.venv /app/.venv
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COPY --from=build /app /app
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USER 1001
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EXPOSE 8000
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CMD ["python", "-m", "app"]