Update postgres Docker tag to v18

arcade-system/romm.yaml

@@ -56,7 +56,7 @@ spec:
     spec:
       containers:
         - name: redis
-          image: redis:8.8-alpine
+          image: redis:7.4-alpine
           ports:
             - containerPort: 6379
               name: redis

booking-system/booking.yaml

@@ -77,7 +77,7 @@ spec:
     spec:
       containers:
         - name: redis
-          image: redis:8-alpine
+          image: redis:7-alpine
           imagePullPolicy: IfNotPresent
           args:
             - redis-server

felhom-system/umami.yaml

@@ -85,7 +85,7 @@ spec:
     spec:
       containers:
         - name: postgres
-          image: postgres:16-alpine
+          image: postgres:18-alpine
           ports:
             - containerPort: 5432
           env:
@@ -167,7 +167,7 @@ spec:
       # Wait for DB to be available before starting Umami
       initContainers:
         - name: wait-for-db
-          image: postgres:16-alpine
+          image: postgres:18-alpine
           command:
             - sh
             - -c

jarrs-system/jarr-dev.yaml

@@ -81,7 +81,7 @@ spec:
         fsGroup: 999
       containers:
         - name: postgres
-          image: postgres:16-alpine
+          image: postgres:18-alpine
           imagePullPolicy: IfNotPresent
           env:
             - name: POSTGRES_USER
@@ -185,7 +185,7 @@ spec:
     spec:
       containers:
         - name: redis
-          image: redis:8-alpine
+          image: redis:7-alpine
           imagePullPolicy: IfNotPresent
           args:
             - redis-server

outline-system/outline.yaml

@@ -198,7 +198,7 @@ spec:
     spec:
       containers:
         - name: redis
-          image: redis:8-alpine
+          image: redis:7-alpine
           imagePullPolicy: IfNotPresent
           command:
             - redis-server

paperless-system/paperless.yaml

@@ -71,7 +71,7 @@ spec:
     spec:
       containers:
         - name: redis
-          image: redis:8-alpine
+          image: redis:7-alpine
           imagePullPolicy: IfNotPresent
           ports:
             - name: redis

plantit-system/plantit.yaml

@@ -121,7 +121,7 @@ spec:
     spec:
       containers:
         - name: redis
-          image: redis:8.8.0
+          image: redis:7.4.9
           ports:
             - containerPort: 6379
               name: redis

workout-system/sparkyfitness.yaml

@@ -69,7 +69,7 @@ spec:
         fsGroup: 999
       containers:
         - name: postgres
-          image: postgres:15-alpine
+          image: postgres:18-alpine
           env:
             - name: POSTGRES_USER
               valueFrom: