feat: ci-python CI-Basis-Image + Build-Workflow
Build ci-python image / build (push) Failing after 2m53s
Build ci-python image / build (push) Failing after 2m53s
Vorgebackenes Python-CI-Image (debian:bookworm-slim + uv, gepinnte CPython 3.12.13, ruff 0.16.1, pytest 9.1.1) fuer Gitea Actions. Basis + uv per Digest gepinnt, Versionen zentral im Dockerfile-Kopf. Build-Workflow pusht :latest + :<sha> in die Gitea-Registry (sko/ci-python), woechentlicher Rebuild. Lokal verifiziert: Build gruen, 397 MB, uv sync --frozen + Exporter-Imports OK. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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name: Build ci-python image
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# Baut das ci-python-Image und pusht es in die Gitea-Container-Registry.
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# Tags: :latest (mitlaufend) + :<sha> (unveränderlich, zum Pinnen in Workflows).
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#
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# Voraussetzungen im Runner:
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# - Docker verfügbar (Socket oder DinD) — Image-Bau braucht einen Docker-Daemon.
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# - Secrets: REGISTRY_USER (Gitea-User) + REGISTRY_TOKEN (PAT, Scope package:write).
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on:
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push:
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branches: [main]
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paths:
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- 'python/Dockerfile'
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- '.gitea/workflows/build-ci-python.yml'
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schedule:
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- cron: '0 3 * * 1' # wöchentlicher Rebuild für Basis-Sicherheitsupdates
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workflow_dispatch:
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env:
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REGISTRY: gitea.inmedias.it
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IMAGE: sko/ci-python
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jobs:
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build:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- uses: docker/setup-buildx-action@v3
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- name: Login to Gitea registry
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uses: docker/login-action@v3
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with:
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registry: ${{ env.REGISTRY }}
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username: ${{ secrets.REGISTRY_USER }}
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password: ${{ secrets.REGISTRY_TOKEN }}
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- name: Build & push
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uses: docker/build-push-action@v6
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with:
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context: python
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push: true
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tags: |
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${{ env.REGISTRY }}/${{ env.IMAGE }}:latest
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${{ env.REGISTRY }}/${{ env.IMAGE }}:${{ github.sha }}
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cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE }}:buildcache
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cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE }}:buildcache,mode=max
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*.log
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.DS_Store
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# ci-images
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Vorgebackene CI-Basis-Images für Gitea Actions. Ziel: schneller Cold-Start und
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reproduzierbare Läufe, statt Werkzeuge bei jedem Lauf per `curl | sh` /
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`pip install` nachzuladen (siehe Recherche „CI/CD-Optimierung mit Docker & Ansible").
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## Images
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| Image | Registry-Pfad | Inhalt |
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|-------|---------------|--------|
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| `ci-python` | `gitea.inmedias.it/sko/ci-python` | `debian:bookworm-slim` + uv + gepinnte CPython, ruff, pytest |
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Weitere Stacks (z. B. `ci-node`) kommen als eigene Unterordner nach demselben
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Muster dazu, sobald der Python-Pilot trägt.
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## Versionen pflegen (eine Quelle der Wahrheit)
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Alle Versionen stehen als `ARG` bzw. gepinnter Digest oben im jeweiligen
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`Dockerfile` (z. B. `python/Dockerfile`). Ändern → auf `main` pushen → der
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Workflow `build-ci-python` baut und pusht neu.
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Digests auffrischen:
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```bash
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docker buildx imagetools inspect debian:bookworm-slim
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docker buildx imagetools inspect ghcr.io/astral-sh/uv:0.12.1
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```
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## Verwendung in einem Repo (Weg B: `container:`, kein Runner-Eingriff)
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```yaml
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jobs:
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test:
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runs-on: ubuntu-latest
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container: gitea.inmedias.it/sko/ci-python:latest
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steps:
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- uses: actions/checkout@v4
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- run: uv sync --frozen # repo-eigene Deps aus uv.lock
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- run: ruff check .
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- run: pytest
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```
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Zum reproduzierbaren Pinnen statt `:latest` einen unveränderlichen `:<sha>`-Tag
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verwenden.
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Registry-Login für den Pull passiert im Runner über einen `container.credentials`-
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Block oder `docker/login-action` gegen `gitea.inmedias.it` (PAT, Scope `package:read`).
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## Build lokal testen
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```bash
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docker build -t ci-python:test python
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docker run --rm ci-python:test python --version
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```
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# ci-python — vorgebackenes CI-Image für Python-Repos (Gitea Actions)
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#
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# Basis: debian:bookworm-slim (firmenweite Distro-Linie), Toolchain über uv.
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# Ziel: schneller Cold-Start + reproduzierbare Läufe (kein `curl | sh` / kein
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# `pip install` zur Laufzeit mehr). Repo-eigene Deps kommen weiterhin per
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# `uv sync --frozen` aus dem jeweiligen uv.lock — dieses Image liefert nur die
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# Toolchain (Python, uv, ruff, pytest).
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#
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# Versionen stehen ausschliesslich hier (eine Quelle der Wahrheit). Aktualisieren
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# heisst: ARG/Digest anpassen -> Push -> Build-Workflow baut & pusht neu.
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# Basis per Digest gepinnt (reproduzierbar). Auflösen mit:
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# docker buildx imagetools inspect debian:bookworm-slim
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FROM debian:bookworm-slim@sha256:7b140f374b289a7c2befc338f42ebe6441b7ea838a042bbd5acbfca6ec875818
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# --- zentrale Versionsliste ---------------------------------------------------
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ARG PYTHON_VERSION=3.12.13
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ARG RUFF_VERSION=0.16.1
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ARG PYTEST_VERSION=9.1.1
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SHELL ["/bin/bash", "-o", "pipefail", "-c"]
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# 1) Selten ändernde Systemschicht zuerst -> Cache greift lange.
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends \
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ca-certificates \
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curl \
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git \
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&& rm -rf /var/lib/apt/lists/*
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# 2) uv aus dem offiziellen, digest-gepinnten uv-Image kopieren.
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# Digest auflösen mit: docker buildx imagetools inspect ghcr.io/astral-sh/uv:0.12.1
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COPY --from=ghcr.io/astral-sh/uv:0.12.1@sha256:cf4eedcaa81655197f625739489effcbe71b61ceb1506f332c3facae5deceded \
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/uv /uvx /usr/local/bin/
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# 3) uv systemweit verdrahten: managed Python, keine Suche nach System-Python,
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# Tool-Bins landen in /usr/local/bin (auf PATH).
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ENV UV_PYTHON_INSTALL_DIR=/opt/uv/python \
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UV_TOOL_DIR=/opt/uv/tools \
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UV_TOOL_BIN_DIR=/usr/local/bin \
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UV_PYTHON_PREFERENCE=only-managed \
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UV_LINK_MODE=copy \
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UV_NO_PROGRESS=1
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# 4) Gepinnte CPython einbacken und als Default `python`/`python3` verdrahten.
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RUN uv python install "${PYTHON_VERSION}" \
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&& ln -sf "$(uv python find "${PYTHON_VERSION}")" /usr/local/bin/python3 \
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&& ln -sf /usr/local/bin/python3 /usr/local/bin/python
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# 5) Lint-/Test-Tools global (schnelle CI ohne per-Repo-Install).
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RUN uv tool install "ruff==${RUFF_VERSION}" \
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&& uv tool install "pytest==${PYTEST_VERSION}"
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# 6) Smoke-Test beim Bau: bricht den Build ab, falls etwas nicht auf PATH liegt.
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RUN python --version \
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&& uv --version \
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&& ruff --version \
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&& pytest --version
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CMD ["/bin/bash"]
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