Update Dockerfile

Author: tobi-adebisi

website/Dockerfile

@@ -1,14 +1,20 @@
-FROM node:18-alpine
-
+# ==== CONFIGURE =====
+# Use a Node 16 base image
+FROM node:16-alpine 
+# Set the working directory to /app inside the container
 WORKDIR /app
-
-COPY package.json .
-
-RUN npm install
-RUN npm run build
-
+# Copy app files
 COPY . .
 
-EXPOSE 4000
+# Download build dependency
+RUN npm install react-scripts
 
-CMD ["node", "app.js"]
+# Build the app
+RUN npm run build
+# ==== RUN =======
+# Set the env to "production"
+ENV NODE_ENV production
+# Expose the port on which the app will be running (3000 is the default that `serve` uses)
+EXPOSE 3000
+# Start the app
+CMD [ "npx", "serve", "build" ]