add: liveness and readiness probes

Dockerfile

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

app/main.py

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+from fastapi import FastAPI
+
+app = FastAPI()
+
+@app.get("/")
+def root():
+    return {"message": "Pozdrav svijete"}
+
+@app.get("/health")
+def health():
+    return {"status": "ok"}

manifesti/k8s/moj-servis/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: moj-servis-config
+  namespace: student-leonarda11
+data:
+  SERVICE_NAME: "moj-servis"
+  LOG_LEVEL: "info"
+  WELCOME_MSG: "Pozdrav iz FPMOZ k3s clustera!"

manifesti/k8s/moj-servis/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: moj-servis
+  namespace: student-leonarda11
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: moj-servis
+  template:
+    metadata:
+      labels:
+        app: moj-servis
+    spec:
+      containers:
+      - name: moj-servis
+        image: git.fpmoz.sum.ba/leonarda11/moj-servis:1.0
+        ports:
+        - containerPort: 8000
+
+        # ── Liveness
+        livenessProbe:
+          httpGet:
+            path: /health
+            port: 8000
+          initialDelaySeconds: 10
+          periodSeconds: 15
+          timeoutSeconds: 3
+          failureThreshold: 3
+
+        # ── Readiness
+        readinessProbe:
+          httpGet:
+            path: /health
+            port: 8000
+          initialDelaySeconds: 5
+          periodSeconds: 10
+          timeoutSeconds: 2
+          failureThreshold: 2
+
+        envFrom:
+        - configMapRef:
+            name: moj-servis-config
+
+        env:
+        - name: DB_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: moj-servis-secret
+              key: DB_PASSWORD
+        - name: API_KEY
+          valueFrom:
+            secretKeyRef:
+              name: moj-servis-secret
+              key: API_KEY
+
+        resources:
+          requests:
+            memory: "64Mi"
+            cpu: "50m"
+          limits:
+            memory: "128Mi"
+            cpu: "200m"

manifesti/k8s/moj-servis/ingress.yaml

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+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: moj-servis-ingress
+  namespace: student-leonarda11
+  annotations:
+    traefik.ingress.kubernetes.io/router.entrypoints: web
+spec:
+  rules:
+  - host: leonarda11.argocd.fpmoz.sum.ba
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: moj-servis-svc
+            port:
+              number: 80

manifesti/k8s/moj-servis/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: moj-servis-svc
+  namespace: student-leonarda11
+spec:
+  selector:
+    app: moj-servis
+  ports:
+  - port: 80
+    targetPort: 8000
+    protocol: TCP
+  type: NodePort

requirements.txt

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+fastapi==0.111.0
+uvicorn[standard]==0.29.0