init: hello-cicd project setup

.gitea/workflows/ci.yml

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+# .gitea/workflows/ci.yml
+name: CI/CD Pipeline
+
+on:
+  push:
+    branches: [main]
+
+env:
+  REGISTRY: git.fpmoz.sum.ba
+  IMAGE: git.fpmoz.sum.ba/${{ github.repository }}
+
+jobs:
+
+  # ── JOB 1: Build i Push Docker image ──────────────────
+  build:
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Checkout koda
+        uses: actions/checkout@v4
+
+      - name: Login u Gitea registry
+        run: |
+          echo ${{ secrets.REGISTRY_PASS }} | \
+            docker login $REGISTRY \
+            -u ${{ secrets.REGISTRY_USER }} --stdin
+
+      - name: Build i Push image
+        run: |
+          TAG=${{ github.sha }}
+          docker build -t $IMAGE:$TAG -t $IMAGE:latest .
+          docker push $IMAGE:$TAG
+          docker push $IMAGE:latest
+          echo $TAG > tag.txt
+
+      - name: Spremi image tag
+        uses: actions/upload-artifact@v4
+        with:
+          name: image-tag
+          path: tag.txt
+
+  # ── JOB 2: Deploy na k3s ───────────────────────────────
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Checkout koda
+        uses: actions/checkout@v4
+
+      - name: Preuzmi image tag
+        uses: actions/download-artifact@v4
+        with:
+          name: image-tag
+
+      - name: Postavi kubeconfig
+        run: |
+          mkdir -p ~/.kube
+          echo "${{ secrets.KUBE_CONFIG }}" | base64 -d > ~/.kube/config
+          chmod 600 ~/.kube/config
+
+      - name: Update image tag u manifestu
+        run: |
+          TAG=$(cat tag.txt)
+          sed -i "s|image:.*|image: $IMAGE:$TAG|" k8s/deployment.yaml
+
+      - name: Deploy na k3s
+        run: |
+          kubectl apply -f k8s/
+          kubectl rollout status deployment/hello-cicd \
+            -n student-${{ github.actor }} --timeout=120s

Dockerfile

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+# Dockerfile
+FROM python:3.12-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+ENV APP_VERSION=dev
+EXPOSE 8000
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

k8s/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hello-cicd
+  namespace: student-fsusak03
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: hello-cicd
+  template:
+    metadata:
+      labels:
+        app: hello-cicd
+    spec:
+      imagePullSecrets:
+      - name: gitea-creds
+      containers:
+      - name: hello-cicd
+        image: git.fpmoz.sum.ba/fsusak03/hello-cicd:latest
+        ports:
+        - containerPort: 8000
+        env:
+        - name: APP_VERSION
+          value: "latest"
+        resources:
+          requests: {cpu: 50m, memory: 64Mi}
+          limits:   {cpu: 200m, memory: 128Mi}

k8s/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: hello-cicd-svc
+  namespace: student-fsusak03
+spec:
+  selector:
+    app: hello-cicd
+  ports:
+  - port: 80
+    targetPort: 8000
+  type: NodePort

main.py

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+# main.py
+from fastapi import FastAPI
+import os, datetime
+
+app = FastAPI()
+
+@app.get("/health")
+def health():
+    return {
+        "status": "ok",
+        "version": os.getenv("APP_VERSION", "dev"),
+        "timestamp": datetime.datetime.utcnow().isoformat()
+    }
+
+@app.get("/")
+def root():
+    return {"poruka": "Zdravo s k3s!", "host": os.uname().nodename}

requirements.txt

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+fastapi==0.115.0
+uvicorn==0.32.0