use statefulSets and readinessProbes instead of initContainers

clusters/default/media/immich/immich.yml

@@ -16,48 +16,37 @@ spec:
       labels:
         app: immich-app
     spec:
-      initContainers:
-      - name: wait-for-redis
-        image: busybox
-        command:
-        - sh
-        - -c
-        - |
-          until nc -z -v -w30 immich-redis-service 6379; do
-            echo "Waiting for redis database to be ready..."
-            sleep 2
-          done
-      - name: wait-for-psql
-        image: busybox
-        command:
-        - sh
-        - -c
-        - |
-          until nc -z -v -w30 immich-psql-service 5432; do
-            echo "Waiting for psql database to be ready"
-            sleep 2
-          done
       containers:
       - name: immich-server
         image: ghcr.io/immich-app/immich-server:v2.3.1
+        readinessProbe:
+          exec:
+            command:
+            - sh
+            - -c
+            - |
+              pg_isready -h immich-psql.media.svc.cluster.local -U postgres -p 5432
+          initialDelaySeconds: 10
+          periodSeconds: 5
+          failureThreshold: 5
         ports:
         - containerPort: 2283
         env:
         - name: TZ
           value: "Asia/Kolkata"
         - name: REDIS_HOSTNAME
-          value: "immich-redis-service"
-        - name: DB_PASSWORD
-          valueFrom:
-            secretKeyRef:
-              name: immich-postgres-secret
-              key: password
+          value: "immich-redis.media.svc.cluster.local"
         - name: DB_USERNAME
           value: "postgres"
         - name: DB_DATABASE_NAME
           value: "immich"
         - name: DB_HOSTNAME
-          value: "immich-psql-service"
+          value: "immich-psql.media.svc.cluster.local"
+        - name: DB_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: immich-postgres-secret
+              key: password
         volumeMounts:
         - mountPath: /usr/src/app/upload
           name: pictures