feat(k8s): Add readiness and liveness probes

Add HEALTHCHECK in backend Dockerfile while at it

Author: whyredfire

backend/Dockerfile

@@ -36,5 +36,8 @@ USER nonroot
 
 EXPOSE 8000
 
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+  CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')" || exit 1
+
 # Run the FastAPI application by default
 CMD ["python", "-m", "src.main"]

k8s/backend/deployment.yaml

@@ -26,3 +26,15 @@ spec:
             limits:
               cpu: 500m
               memory: 256Mi
+            readinessProbe:
+              httpGet:
+                path: /health
+                port: 8000
+              initialDelaySeconds: 5
+              periodSeconds: 5
+            livenessProbe:
+              httpGet:
+                path: /health
+                port: 8000
+              initialDelaySeconds: 10
+              periodSeconds: 10

k8s/frontend/deployment.yaml

@@ -26,3 +26,15 @@ spec:
             limits:
               cpu: 200m
               memory: 128Mi
+            readinessProbe:
+              httpGet:
+                path: /
+                port: 8080
+              initialDelaySeconds: 2
+              periodSeconds: 5
+            livenessProbe:
+              httpGet:
+                path: /
+                port: 8080
+              initialDelaySeconds: 5
+              periodSeconds: 10