first commit

.dockerignore

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+.git
+.gitignore
+__pycache__
+*.pyc
+*.pyo
+.env
+.venv
+venv
+*.egg-info
+.pytest_cache
+.coverage
+htmlcov

.gitea/workflows/docker.yaml

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+name: Build and Push Docker Image
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  REGISTRY: repositry.talutasku.ee
+  IMAGE_NAME: my-python-app
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Extract git SHA
+        id: vars
+        run: echo "sha=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: |
+            ${{ env.REGISTRY }}/v2/${{ env.IMAGE_NAME }}:${{ steps.vars.outputs.sha }}
+            ${{ env.REGISTRY }}/v2/${{ env.IMAGE_NAME }}:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Update image tag file
+        run: |
+          echo "${{ steps.vars.outputs.sha }}" > k8s/image-tag.txt
+
+      - name: Commit and push image tag
+        run: |
+          git config --local user.email "gitea-ci@example.com"
+          git config --local user.name "Gitea CI"
+          git add k8s/image-tag.txt
+          git commit -m "Update image tag to ${{ steps.vars.outputs.sha }}" || exit 0
+          git push

Dockerfile

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+FROM python:3.11-slim as builder
+
+WORKDIR /build
+COPY requirements.txt .
+RUN pip install --no-cache-dir --prefix=/install -r requirements.txt
+
+FROM python:3.11-slim
+
+WORKDIR /app
+COPY --from=builder /install /usr/local
+COPY app.py .
+
+EXPOSE 8000
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]

app.py

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+from fastapi import FastAPI
+
+app = FastAPI()
+
+
+@app.get("/")
+async def root():
+    return {"message": "Hello, World!"}
+
+
+@app.get("/health")
+async def health():
+    return {"status": "healthy"}

k8s/all-in-one.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  name: python-app
+  labels:
+    app: python-app
+spec:
+  containers:
+    - name: python-app
+      image: repositry.talutasku.ee/v2/my-python-app:latest
+      ports:
+        - containerPort: 8000
+      resources:
+        limits:
+          memory: "128Mi"
+          cpu: "500m"
+        requests:
+          memory: "64Mi"
+          cpu: "100m"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: python-app
+spec:
+  selector:
+    app: python-app
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 8000
+  type: ClusterIP
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: python-app
+  annotations:
+    kubernetes.io/ingress.class: traefik
+spec:
+  rules:
+    - host: python-app.talutasku.ee
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: python-app
+                port:
+                  number: 80

k8s/image-tag.txt

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+latest

requirements.txt

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+fastapi>=0.100.0
+uvicorn[standard]>=0.23.0