Update Dockerfile

.github/workflows/jenkinsfile

@@ -0,0 +1,17 @@
+pipeline {
+    agent any
+
+    stages {
+        stage('Build') {
+            steps {
+                script {
+                    def imageName = "my-docker-image"
+                    def imageTag = "${env.BUILD_NUMBER}"
+
+                    // Build the Docker image
+                    sh "docker build -t ${imageName}:${imageTag} ."
+                }
+            }
+        }
+    }
+}

.github/workflows/jenkinstogithub.yaml

@@ -0,0 +1,29 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          java-version: '11'
+
+      - name: Build and test
+        run: |
+          ./gradlew clean build
+
+      - name: Publish artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: jar
+          path: build/libs/*.jar

Dockerfile

@@ -2,9 +2,10 @@
 FROM node:latest as node
 WORKDIR /app
 COPY . .
+RUN npm install -g @angular/cli
 RUN npm install
-RUN npm run build --prod
+RUN ng build --prod
 
 # stage 2
 FROM nginx:alpine
-COPY --from=node /app/dist/angular-app /usr/share/nginx/html
+COPY --from=node /app/dist/angular-app /usr/share/nginx/html