Configure Liveness and Startup probes for kubernets

Author: coder8080

kubernetes/main.yaml

@@ -73,3 +73,15 @@ spec:
           volumeMounts:
             - name: certs-volume
               mountPath: /usr/src/app/certs
+          livenessProbe:
+            httpGet:
+              port: 3000
+              path: liveness
+            periodSeconds: 3
+            initialDelaySeconds: 5
+          startupProbe:
+            httpGet:
+              port: 3000
+              path: liveness
+            periodSeconds: 3
+            failureThreshold: 20

src/server/__init__.py

@@ -9,9 +9,14 @@ async def podname(request: web.Request):
     return web.json_response({"podname": POD_NAME})
 
 
+async def liveness(_):
+    return web.Response(status=200)
+
+
 async def start_site():
     app = web.Application()
     app.router.add_get("/podname", podname)
+    app.router.add_get("/liveness", liveness)
 
     runner = web.AppRunner(app)
     await runner.setup()