Update docker.io/postgres Docker tag to v18

.gitea/workflows/render-manifests.yaml

@@ -34,9 +34,10 @@ jobs:
             mkdir clusters/$CLUSTER/manifests
 
             for chart_path in clusters/$CLUSTER/helm/; do
-              chart_name=$(basename "$chart")
+              chart_name=$(basename "$chart_path")
 
-              echo "--- Rendering chart: $chart_name ---"
+              echo ""
+              echo "Rendering chart: $chart_name"
 
               if [ -f "$chart_path/Chart.yaml" ]; then
                   OUTPUT_FILE="clusters/$CLUSTER/manifests/$chart_name.yaml"

hosts/ps10rp/gitea/compose.yaml

@@ -19,7 +19,7 @@ services:
             - /dev/net/tun:/dev/net/tun
 
     postgresql:
-        image: docker.io/postgres:17.7-alpine3.21
+        image: docker.io/postgres:18.1-alpine3.21
         container_name: gitea-postgres
         env_file:
             - .env