Updated postgres helm chart with deploy script

Author: adityasinghal26

deployment/kubernetes/postgres/deploy-postgres.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# Create postgres namespace in local cluster
+# Added as helm argument, hence not required here
+# kubectl create ns postgres
+
+# Package postgres helm chart and install the same in postgres namespace
+helm package deployment/kubernetes/postgres/helm/
+helm -n postgres upgrade --install postgres postgres-0.1.0.tgz --create-namespace

deployment/kubernetes/postgres/helm/templates/deployment.yaml

@@ -1,22 +1,22 @@
 # kubernetes/postgres.yaml
-apiVersion: apps/v1
+apiVersion: {{ .Values.deployment.apiVersion }}
 kind: Deployment
 metadata:
-  name: {{ .Values.app.name }}
+  name: {{ .Values.deployment.name }}
   namespace: {{ .Values.namespace }}
 spec:
   replicas: {{ .Values.deployment.replicas }}
   selector:
     matchLabels:
-      app: {{ .Values.app.name }}
+      app: {{ .Values.deployment.name }}
   template:
     metadata:
       labels:
-        app: {{ .Values.app.name }}
+        app: {{ .Values.deployment.name }}
     spec:
       containers:
         - name: {{ .Values.container.name }}
-          image: postgres:13.2-alpine
+          image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
           imagePullPolicy: 'IfNotPresent'
           ports:
             - containerPort: {{ .Values.container.port }}

deployment/kubernetes/postgres/helm/templates/service.yaml

@@ -1,11 +1,11 @@
 # kubernetes/postgres-service.yaml
-apiVersion: v1
+apiVersion: {{ .Values.service.apiVersion }}
 kind: Service
 metadata:
-  name: {{ .Values.app.name }}
+  name: {{ .Values.service.name }}
   namespace: {{ .Values.namespace }}
 spec:
   selector:
-    app: {{ .Values.app.name }}
+    app: {{ .Values.deployment.name }}
   ports:
-    - port: {{ .Values.app.port }}
+    - port: {{ .Values.service.port }}

deployment/kubernetes/postgres/helm/templates/storage.yaml

@@ -3,7 +3,7 @@ apiVersion: v1
 kind: PersistentVolume
 metadata:
   name: postgres-storage
-  namespace: backstage
+  namespace: {{ .Values.namespace }}
   labels:
     type: local
 spec:
@@ -20,7 +20,7 @@ apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
   name: postgres-storage-claim
-  namespace: backstage
+  namespace: {{ .Values.namespace }}
 spec:
   storageClassName: manual
   accessModes:

deployment/kubernetes/postgres/helm/values.yaml

@@ -1,11 +1,18 @@
-namespace: 'backstage'
+namespace: 'postgres'
 deployment:
+  name: 'postgres'
+  apiVersion: 'apps/v1'
   replicas: '1'
 
-app:
+service:
+  apiVersion: 'v1'
   name: 'postgres'
   port: '5432'
 
+image:
+  repository: 'postgres'
+  tag: '13.2-alpine'
+
 container:
   name: 'postgres'
   port: '5432'