Update Dockerfile

netmanager-app/Dockerfile

@@ -1,20 +1,31 @@
 # Use the official Node.js image as a base
-FROM node:18
+FROM node:18-alpine AS builder
 
 # Set the working directory
 WORKDIR /app
 
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/package*.json ./
+
 # Copy package.json and package-lock.json
 COPY package*.json ./
 
-# Install dependencies
-RUN npm install
+RUN npm ci
 
 # Copy the rest of the application code
 COPY . .
 
+RUN npm run build
+
+# Add healthcheck
+HEALTHCHECK --interval=30s --timeout=3s \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:3000/ || exit 1
+
+USER node
+
 # Expose the application port
 EXPOSE 3000
 
 # Command to run the application
-CMD ["npm", "start"]
+CMD ["npm", "run", "start"]