Add configuration for arm

Dockerfile-arm

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+# Usage:
+#
+#    Build image:
+#    docker build -t jojozhuang/text-compare-angular-arm . -f Dockerfile-ARM
+#
+#    Run image (on localhost:12010):
+#    docker run -d --name text-compare -p 12010:80 jojozhuang/text-compare-angular-arm
+#
+#    Run image as virtual host (read more: https://github.com/nginx-proxy/nginx-proxy):
+#    docker run -e VIRTUAL_HOST=text-compare.your-domain.com --name text-compare jojozhuang/text-compare-angular
+
+# Stage 1, based on Node.js, to build and compile Angular
+
+FROM node:16.10.0-alpine as builder
+
+WORKDIR /ng-app
+
+COPY package*.json tsconfig*.json angular.json ./
+COPY ./src ./src
+
+RUN npm ci --quiet && npm run build-nas
+
+# Stage 2, based on Nginx, to have only the compiled app, ready for production with Nginx
+
+FROM arm64v8/nginx
+
+COPY ./nginx.conf /etc/nginx/conf.d/default.conf
+
+## From ‘builder’ stage copy over the artifacts in dist folder to default nginx public folder
+COPY --from=builder /ng-app/dist /usr/share/nginx/html

k8s/text-compare-arm.yaml

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+# Setup loocally
+# 1. Build image for ARM platform
+# docker build -t text-compare-angular . -f Dockerfile-ARM
+# 2. Deploy to k8s:
+# kubectl apply -f k8s/text-compare.yaml
+# 3. Create service in minikube:
+# minikube service text-compare-service
+# 4. Access the url from step 3.
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: text-compare-deployment
+  labels:
+    app: text-compare
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: text-compare
+  template:
+    metadata:
+      labels:
+        app: text-compare
+    spec:
+      containers:
+      - name: text-compare
+        image: jojozhuang/text-compare-angular
+        ports:
+          - containerPort: 80
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: text-compare-service
+spec:
+  selector:
+    app: text-compare
+  type: LoadBalancer # assign an external IP address to accept external request
+  ports:
+    - protocol: TCP
+      port: 12011
+      targetPort: 80
+      nodePort: 31000 # must be between 30000 and 32767