Module3 Assignment

Docker Project/Dockerfile.dev

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+FROM node:18-alpine
+WORKDIR /usr/app
+COPY ./package.json ./
+RUN npm install
+COPY ./ ./
+CMD ["npm", "run", "serve"]

Docker Project/database.connection.ts

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+import "reflect-metadata";
+import { createConnection, Connection, ConnectionOptions } from "typeorm";
+import { join } from "path";
+const parentDir = join(__dirname, "..");
+
+const connectionOpts: ConnectionOptions = {
+  type: "postgres",
+  host: process.env.POSTGRES_HOST || "postgres",
+  port: Number(process.env.POSTGRES_PORT) || 5432,
+  username: process.env.POSTGRES_USERNAME || "postgres",
+  password: process.env.POSTGRES_PASSWORD || "postgres_password",
+  database: process.env.POSTGRES_DB || "simple_blog_api",
+  entities: [`${parentDir}/**/*.entity.ts`],
+  synchronize: true
+};
+
+const connection:Promise<Connection> = createConnection(connectionOpts);
+
+export default connection;

Docker Project/docker-compose.yml

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+version: '3'
+services:
+    postgres:
+        image: 'postgres:latest'
+        environment:
+          - POSTGRES_PASSWORD=postgres_password
+          - POSTGRES_USER=postgres
+          - POSTGRES_DB=simple_blog_api
+          - POSTGRES_TYPE=postgres
+          - POSTGRES_HOST=postgres
+        volumes:
+          - ./localDataCenter:./data
+        command: ["postgres", "--save", "1 1"] 
+
+    node-app:
+        depends_on:
+          - postgres
+        restart: always
+        image : docker.io/snehasharma2606/simpleblogapi:1.2
+        # build:
+        #  context: ./
+        ports:
+           - "3000:3000"
+        environment:
+            - PGUSER=postgres
+            - PGHOST=postgres
+            - PGDATABASE=simple_blog_api
+            - PGPASSWORD=postgres_password
+            - PGPORT=5432

Kubernetes Project/ingress-service.yml

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+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: ingress-service
+  annotations:
+    kubernetes.io/ingress.class: nginx
+    nginx.ingress.kubernetes.io/use-regex: "true"
+    nginx.ingress.kubernetes.io/rewrite-target: /$1
+spec:
+  rules:
+    - http:
+        paths:
+          - path: /?(.*)
+            pathType: Prefix
+            backend:
+              service:
+                name: node-app-cluster-ip-service
+                port:
+                  number: 3000
+          - path: /api/?(.*)
+            pathType: Prefix
+            backend:
+              service:
+                name: node-app-cluster-ip-service
+                port:
+                  number: 3000

Kubernetes Project/node-app-cluster-ip-service.yml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: node-app-cluster-ip-service
+spec:
+  type: ClusterIP
+  selector:
+    component: node-app
+  ports:
+    - port: 3000
+      targetPort: 3000

Kubernetes Project/node-app-deployment.yml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: node-app-deployment
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      component: node-app
+  template:
+    metadata:
+      labels:
+        component: node-app
+    spec:
+      containers:
+        - name: node-app
+          image: docker.io/snehasharma2606/simpleblogapi:1.2
+          ports:
+            - containerPort: 3000
+          env:
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: pgpassword
+                  key: POSTGRES_PASSWORD
+            - name: POSTGRES_HOST
+              value: postgres-cluster-ip-service

Kubernetes Project/postgres-cluster-ip-service.yml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: postgres-cluster-ip-service
+spec:
+  type: ClusterIP
+  selector:
+    component: postgres
+  ports:
+    - port: 5432
+      targetPort: 5432

Kubernetes Project/postgres-deployment.k8s.yml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: postgres-deployment.k8s
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      component: postgres
+  template:
+    metadata:
+      labels:
+        component: postgres
+    spec:
+      volumes:
+        - name: postgres-storage
+          persistentVolumeClaim:
+            claimName: database-persistent-volume-claim
+      containers:
+        - name: postgres
+          image: docker.io/postgres:latest
+          ports:
+            - containerPort: 5432
+          volumeMounts:
+            - mountPath: /var/lib/postgresql/data
+              name: postgres-storage
+              subPath: postgres
+          env:
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: pgpassword
+                  key: POSTGRES_PASSWORD
+            - name: POSTGRES_DB
+              value: simple_blog_api

Kubernetes Project/postgres-pvc-k8s.yml

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+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: database-persistent-volume-claim
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 2Gi