feat: add helm charts

README.md

@@ -217,3 +217,12 @@ REDISCLI_AUTH="$REDIS_PASSWORD" redis-cli -h 127.0.0.1 -p 6379
   ***
 
   [Kubernetes Introduction](https://github.com/sujeet-agrahari/quick-links/blob/main/kubernetes/Introduction.md)
+
+### Helm
+
+```
+helm upgrade quick-links ./quick-links-charts
+
+helm upgrade quick-links ./quick-links-charts --recreate-pods
+
+```

quick-links-charts/Chart.yaml

@@ -1,4 +1,4 @@
 apiVersion: v2
-name: quick-links-chart
+name: quick-links
 description: A Helm chart for deploying quick-links service
 version: 0.1.0

quick-links-charts/templates/deployment.yaml

@@ -1,33 +1,23 @@
 apiVersion: apps/v1
 kind: Deployment
 metadata:
-  name: {{ .Chart.Name }}-quick-links
+  name: {{ .Values.deployment.name }}
 spec:
-  replicas: {{ .Values.replicaCount }}
+  replicas: {{ .Values.deployment.replicaCount }}
   selector:
     matchLabels:
-      app: quick-links
+      app: {{.Values.app_name }}
   template:
     metadata:
       labels:
-        app: quick-links
+        app: {{.Values.app_name }}
     spec:
       containers:
-        - name: quick-links
-          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
-          imagePullPolicy: {{ .Values.image.pullPolicy }}
+        - name: {{.Values.app_name }}
+          image: "{{ .Values.deployment.image.repository }}:{{ .Values.deployment.image.tag }}"
+          imagePullPolicy: {{ .Values.deployment.image.pullPolicy }}
           env: 
-            - name: DB_HOST
-              value: {{ .Values.env.DB_HOST }}
-            - name: DB_PORT
-              value: {{ .Values.env.DB_PORT }}
-            - name: DB_USER
-              value: {{ .Values.env.DB_USER }}
-            - name: DB_PASSWORD
-              value: {{ .Values.env.DB_PASSWORD }}
-            - name: DB_NAME
-              value: {{ .Values.env.DB_NAME }}
-            - name: REDIS_HOST
-              value: {{ .Values.env.REDIS_HOST }}
-            - name: REDIS_PASSWORD
-              value: {{ .Values.env.REDIS_PASSWORD }}
+          {{- range $key, $value := .Values.deployment.env }}
+            - name: {{ $key }}
+              value: {{ quote $value }}
+          {{- end }}

quick-links-charts/templates/service.yaml

@@ -4,9 +4,9 @@ metadata:
   name: {{ .Values.service.name }}
 spec:
   selector:
-    app: quick-links
+    app: {{ .Values.app_name }}
   ports:
-    - name: quick-links
+    - name: {{ .Values.app_name }}
       protocol: TCP
       port: {{ .Values.service.port }}
       targetPort: {{ .Values.service.port }}

quick-links-charts/values.yaml

@@ -1,17 +1,20 @@
-replicaCount: 2
-image:
-  repository: quick-links
-  tag: dev
-  pullPolicy: Never
-env:
-  DB_HOST: 'postgres-postgresql-ha-pgpool'
-  DB_USER: 'postgres'
-  DB_PASSWORD: 'password'
-  DB_NAME: 'quicklink'
-  REDIS_HOST: 'redis-master'
-  REDIS_PASSWORD: 'Mx765t6kQe'
+app_name: quick-links
+
 deployment:
   name: quick-links-deployment
+  replicaCount: 2
+  image:
+    repository: quick-links
+    tag: prod
+    pullPolicy: Never
+  env:
+    DB_HOST: 'postgres-postgresql-ha-pgpool'
+    DB_USER: 'postgres'
+    DB_PASSWORD: 'password'
+    DB_NAME: 'quicklink'
+    REDIS_HOST: 'redis-master'
+    REDIS_PASSWORD: 'pyL9vFnIpw'
+
 service:
   name: quick-links-service
   type: ClusterIP