Update k8s.postgres.ui.yml

Fixed multiple issues: 

- Database URI was wrong for postgresql
- Added the value PGDATA to fix error at postgresql startup
- Removed unnecessary value VolumeName

misc/integrations/k8s.postgres.ui.yml

@@ -124,7 +124,7 @@ spec:
             - name: KUBERNETES_MODE
               value: "yes"
             - name: "DATABASE_URI"
-              value: "mariadb+pymysql://bunkerweb:changeme@svc-bunkerweb-db:3306/db"
+              value: "postgresql://bunkerweb:changeme@svc-bunkerweb-db:5432/db"
 ---
 apiVersion: apps/v1
 kind: Deployment
@@ -151,7 +151,7 @@ spec:
             - name: KUBERNETES_MODE
               value: "yes"
             - name: "DATABASE_URI"
-              value: "mariadb+pymysql://bunkerweb:changeme@svc-bunkerweb-db:3306/db"
+              value: "postgresql://bunkerweb:changeme@svc-bunkerweb-db:5432/db"
 ---
 apiVersion: apps/v1
 kind: Deployment
@@ -201,6 +201,8 @@ spec:
               value: "bunkerweb"
             - name: "POSTGRES_PASSWORD"
               value: "changeme"
+            - name: "PGDATA"
+              value: "/var/lib/postgresql/data/pgdata"
           volumeMounts:
             - mountPath: "/var/lib/postgresql/data"
               name: vol-db
@@ -240,7 +242,7 @@ spec:
             - name: KUBERNETES_MODE
               value: "YES"
             - name: "DATABASE_URI"
-              value: "mariadb+pymysql://bunkerweb:testor@svc-bunkerweb-db:3306/db"
+              value: "postgresql://bunkerweb:changeme@svc-bunkerweb-db:5432/db"
 ---
 apiVersion: v1
 kind: Service
@@ -315,7 +317,6 @@ spec:
   resources:
     requests:
       storage: 5Gi
-  volumeName: pv-bunkerweb
 ---
 apiVersion: networking.k8s.io/v1
 kind: Ingress