Dockerfile, kubernetes manifest and README update

Dockerfile

@@ -0,0 +1,30 @@
+# Use an official Node runtime as a parent image
+FROM node:14-alpine
+
+# Set the working directory in the container to /app
+WORKDIR /app
+
+# Copy package.json and package-lock.json to the working directory
+COPY package*.json ./
+
+# Install the application dependencies
+RUN npm install
+
+# Copy the rest of the application to the working directory
+COPY . .
+
+# Build the application
+RUN npm run build
+
+# Use an official Nginx runtime as a parent image for the runtime stage
+FROM nginx:stable-alpine
+
+# Copy the build output to replace the default Nginx contents.
+COPY --from=0 /app/build /usr/share/nginx/html
+
+# Expose port 80 on the container
+EXPOSE 80
+
+# Start Nginx
+CMD ["nginx", "-g", "daemon off;"]
+

README.md

@@ -118,3 +118,13 @@ This section has moved here: [https://facebook.github.io/create-react-app/docs/d
 ### `npm run build` fails to minify
 
 This section has moved here: [https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify](https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify)
+
+### Dockerfile
+
+One can build the containerized version using `docker build -t pomodoro .`
+
+One can then run it using `docker run -d -p 8080:80 pomodoro`
+
+There is also a Kubernetes manifest yaml. Update the ingress as you see fit, but it will need a valid ClusterIssuer and DNS name if using Nginx.
+
+

kubernetes/deploy.yaml

@@ -0,0 +1,59 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: pomosimple
+spec:
+  selector:
+    app: pomosimple
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 80
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: pomosimple
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: pomosimple
+  template:
+    metadata:
+      labels:
+        app: pomosimple
+    spec:
+      containers:
+      - name: pomosimple
+        image: idjohnson/pomonginx:latest
+        ports:
+        - containerPort: 80
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: pomosimple
+  annotations:
+    cert-manager.io/cluster-issuer: YOURCLUSTERISSUER
+    kubernetes.io/ingress.class: nginx
+    kubernetes.io/tls-acme: "true"
+    ingress.kubernetes.io/ssl-redirect: "true"
+    nginx.ingress.kubernetes.io/ssl-redirect: "true"
+    nginx.org/websocket-services: pomosimple
+spec:
+  rules:
+  - host: pomodoro.example.com
+    http:
+      paths:
+      - pathType: ImplementationSpecific
+        path: "/"
+        backend:
+          service:
+            name: pomosimple
+            port:
+              number: 80
+  tls:
+  - hosts:
+    - pomodoro.example.com
+    secretName: pomosimple-tls