feat: add helm charts

Dockerfile

@@ -1,23 +1,54 @@
-FROM node:16-slim as base
+# Use node base image with tag 16-slim
+FROM node:18-slim as base
+
+# Set NODE_ENV environment variable to production
 ENV NODE_ENV=production
+
+# Expose port 3000
 EXPOSE 3000
+
+# Install latest version of npm globally
 RUN npm i npm@latest -g
+
+# Create app directory and set permissions
 RUN mkdir /app && chown -R node:node /app
+
+# Set working directory and user
 WORKDIR /app
 USER node
+
+# Copy package.json and package-lock.json
 COPY --chown=node:node package.json package-lock*.json ./
+
+# Install dependencies and clean npm cache
 RUN npm install && npm cache clean --force
+
+# Set PATH environment variable
 ENV PATH /app/node_modules/.bin:$PATH
-# check every 30s to ensure this service returns HTTP 200
-# HEALTHCHECK --interval=30s CMD node healthcheck.jsc
 
+# Healthcheck (optional: uncomment if needed)
+# HEALTHCHECK --interval=30s CMD node healthcheck.js
+
+# Stage for source code
 FROM base as source
+
+# Copy source code
 COPY --chown=node:node . .
 
+# Development stage
 FROM source as dev
+
+# Set NODE_ENV environment variable to development
 ENV NODE_ENV=development
+
+# Install development dependencies
 RUN npm install --only=development
+
+# Command to run development server
 CMD ["npm", "run", "start:dev"]
 
+# Production stage
 FROM source as prod
-CMD ["npm", "run", "start:prod"]
+
+# Command to run production server
+CMD ["npm", "run", "start:prod"]

quick-links-charts/Chart.yaml

@@ -0,0 +1,4 @@
+apiVersion: v2
+name: quick-links-chart
+description: A Helm chart for deploying quick-links service
+version: 0.1.0

quick-links-charts/templates/deployment.yaml

@@ -0,0 +1,33 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Chart.Name }}-quick-links
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: quick-links
+  template:
+    metadata:
+      labels:
+        app: quick-links
+    spec:
+      containers:
+        - name: quick-links
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.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 }}

quick-links-charts/templates/service.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Values.service.name }}
+spec:
+  selector:
+    app: quick-links
+  ports:
+    - name: quick-links
+      protocol: TCP
+      port: {{ .Values.service.port }}
+      targetPort: {{ .Values.service.port }}
+  type: {{ .Values.service.type }}

quick-links-charts/values.yaml

@@ -0,0 +1,18 @@
+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'
+deployment:
+  name: quick-links-deployment
+service:
+  name: quick-links-service
+  type: ClusterIP
+  port: 3000