Refactor PostgreSQL configuration and deployment to use new patterns.

apps/postgres/config/example.env

@@ -1,5 +0,0 @@
-POSTGRES_DB=postgres
-POSTGRES_USER=postgres
-POSTGRES_PASSWORD=OhPostgres!
-POSTGRES_STORAGE=10Gi
-POSTGRES_IMAGE=pgvector/pgvector:pg15

apps/postgres/config/kustomization.yaml

@@ -1,18 +0,0 @@
-apiVersion: kustomize.config.k8s.io/v1beta1
-kind: Kustomization
-namespace: postgres
-labels:
-  - includeSelectors: true
-    pairs:
-      app: postgres
-      managedBy: kustomize
-      partOf: wild-cloud
-
-configMapGenerator:
-  - name: config
-    envs:
-      - config.env
-secretGenerator:
-  - name: secrets
-    envs:
-      - secrets.env

apps/postgres/deployment.yaml

@@ -15,29 +15,36 @@ spec:
     spec:
       containers:
         - name: postgres
-          image: pgvector/pgvector:pg15
-          args: [
-            "-c", "tcp_keepalives_idle=600",
-            "-c", "tcp_keepalives_interval=30", 
-            "-c", "tcp_keepalives_count=3",
-            "-c", "statement_timeout=300000",
-            "-c", "idle_in_transaction_session_timeout=600000"
+          image: "{{ .config.apps.postgres.image }}"
+          args:
+            [
+              "-c",
+              "tcp_keepalives_idle=600",
+              "-c",
+              "tcp_keepalives_interval=30",
+              "-c",
+              "tcp_keepalives_count=3",
+              "-c",
+              "statement_timeout=300000",
+              "-c",
+              "idle_in_transaction_session_timeout=600000",
             ]
           ports:
             - containerPort: 5432
-          envFrom:
-            - secretRef:
-                name: secrets
-            - configMapRef:
-                name: config
           env:
             - name: PGDATA
               value: /var/lib/postgresql/data/pgdata
             - name: TZ
+              value: "{{ .config.apps.postgres.timezone }}"
+            - name: POSTGRES_DB
+              value: "{{ .config.apps.postgres.database }}"
+            - name: POSTGRES_USER
+              value: "{{ .config.apps.postgres.user }}"
+            - name: POSTGRES_PASSWORD
               valueFrom:
-                configMapKeyRef:
-                  name: config
-                  key: TZ
+                secretKeyRef:
+                  name: postgres-secrets
+                  key: password
           volumeMounts:
             - name: postgres-data
               mountPath: /var/lib/postgresql/data

apps/postgres/kustomization.yaml

@@ -8,30 +8,7 @@ labels:
       managedBy: kustomize
       partOf: wild-cloud
 resources:
-  - config
   - deployment.yaml
   - namespace.yaml
   - service.yaml
   - pvc.yaml
-
-replacements:
-  - source:
-      kind: ConfigMap
-      name: config
-      fieldPath: data.POSTGRES_STORAGE
-    targets:
-      - fieldPaths:
-          - spec.resources.requests.storage
-        select:
-          kind: PersistentVolumeClaim
-          name: postgresql-pvc
-  - source:
-      kind: ConfigMap
-      name: config
-      fieldPath: data.POSTGRES_IMAGE
-    targets:
-      - fieldPaths:
-          - spec.template.spec.containers.0.image
-        select:
-          kind: Deployment
-          name: postgres-deployment

apps/postgres/manifest.yaml

@@ -3,3 +3,11 @@ install: true
 description: PostgreSQL is a powerful, open source object-relational database system.
 version: 1.0.0
 icon: https://www.postgresql.org/media/img/about/press/elephant.png
+defaultConfig:
+  database: postgres
+  user: postgres
+  storage: 10Gi
+  image: pgvector/pgvector:pg15
+  timezone: UTC
+requiredSecrets:
+  - apps.postgres.password

apps/postgres/pvc.yaml

@@ -9,4 +9,4 @@ spec:
   storageClassName: longhorn
   resources:
     requests:
-      storage: 2Gi
+      storage: {{ (ds "config").apps.postgres.storage | default "10Gi" }}