Update postgres Docker tag to v18

admin-system/wan-monitor.yaml

@@ -337,7 +337,7 @@ spec:
               mountPath: /shared
 
         - name: metrics-http
-          image: busybox:1.38
+          image: busybox:1.36
           command: ["httpd", "-f", "-v", "-p", "9116", "-h", "/shared"]
           ports:
             - name: metrics

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

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: