DBZ-7447: Docker image update (#851)

Co-authored-by: Indra Shukla <indrashukla@Indras-MacBook-Air.local>

Author: indraraj

Dockerfile

@@ -1,36 +1,21 @@
 ####
 # This Dockerfile is used in order to build a container with Debezium UI.
 ###
-
-FROM registry.access.redhat.com/ubi9/nodejs-18
-
-# Set the working directory inside the container
+# Build UI
+FROM registry.access.redhat.com/ubi9/nodejs-18 AS build
 WORKDIR /app
-
-# Copy package.json and package-lock.json (or yarn.lock) to the working directory
 COPY --chown=1001 package*.json ./
-
-# Install dependencies
 RUN npm install
-
-# Copy the rest of the application code to the working directory
 COPY --chown=1001 . .
+RUN npm run build
 
+# Final image with only build artifacts
+FROM node:18-slim
+WORKDIR /app
+RUN npm install express
+COPY --from=build /app/dist/serve.js /app/dist/config.js ./
+COPY --from=build /app/dist ./dist
 EXPOSE 3000
-
-# Set the environment variable NODE_ENV to "production"
 ENV NODE_ENV=production
-
-# Set the environment variable KAFKA_CONNECT_CLUSTERS
 ENV KAFKA_CONNECT_CLUSTERS=http://localhost:8083/
-
-# Build the React application
-RUN npm run build
-
-# Install a lightweight web server
-# RUN npm install -g serve
-
-# Set the command to start the web server and serve the built application
 CMD ["node", "serve"]
-
-# CMD ["npm", "run", "start:dev"]

webpack.common.js

@@ -142,6 +142,9 @@ module.exports = (env) => {
       new CopyPlugin({
         patterns: [{ from: './config.js', to: './' }],
       }),
+      new CopyPlugin({
+        patterns: [{ from: './serve.js', to: './' }],
+      }),
     ],
     resolve: {
       extensions: ['.js', '.ts', '.tsx', '.jsx'],