Add Gitea database deployment and service configuration

cluster/apps/gitea/gitea.yml

@@ -15,28 +15,16 @@ spec:
         app: gitea-app
     spec:
       initContainers:
-      - name: init-cleanup
+      - name: wait-for-db
         image: busybox
-        command: ["rm", "-rf", "/var/lib/postgresql/data/lost+found"]
-        volumeMounts:
-        - name: db
-          mountPath: /var/lib/postgresql/data
-      - name: gitea-db
-        image: postgres:15.10
-        restartPolicy: Always
-        env:
-        - name: POSTGRES_USER
-          value: "gitea"
-        - name: POSTGRES_PASSWORD
-          valueFrom:
-            secretKeyRef:
-              name: gitea-db-secret
-              key: password
-        - name: POSTGRES_DB
-          value: "gitea"
-        volumeMounts:
-        - name: db
-          mountPath: /var/lib/postgresql/data
+        command:
+        - sh
+        - -c
+        - |
+          until nc -z -v -w30 gitea-db-service 5432; do
+            echo "Waiting for psql database to be ready"
+            sleep 2
+          done
       containers:
       - name: gitea
         image: gitea/gitea:1.23.8
@@ -51,7 +39,7 @@ spec:
         - name: GITEA__database__DB_TYPE
           value: "postgres"
         - name: GITEA__database__HOST
-          value: "localhost:5432"
+          value: "gitea-db-service:5432"
         - name: GITEA__database__NAME
           value: "gitea"
         - name: GITEA__database__USER
@@ -81,6 +69,3 @@ spec:
       - name: gitea-data
         persistentVolumeClaim:
           claimName: longhorn-gitea
-      - name: db
-        persistentVolumeClaim:
-          claimName: longhorn-gitea-db