Add Dockerfile, gitlab-ci

manifest.yaml

@@ -22,7 +22,7 @@ data:
   password: cG9sbHMK
   database: cG9sbHMK
 ---
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: postgresql
@@ -38,8 +38,8 @@ spec:
           tier: postgreSQL
       spec:
         containers:
-          - image: postgres:9.6.2-alpine
-            name: postgresql
+        - name: postgresql
+          image: postgres:9.6.2-alpine
           env:
           - name: POSTGRES_USER
             valueFrom:
@@ -84,14 +84,14 @@ spec:
     app: postgresql
     tier: postgreSQL
 ---
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: polls
   labels:
       app: polls
 spec:
-  replicas: 3
+  replicas: 1
   template:
     metadata:
     labels:
@@ -184,4 +184,8 @@ template:
               name: postgresql-credentials
               key: password
     restartPolicy: Never
+    volumes:
+    - name: postgresql-credentials
+      secret:
+        secretName: postgresql
 backoffLimit: 5