[30388f42] Infrastructure Hardening: Repaired CE/Connector DB schema, fixed frontend styling build, implemented robust echo shield in worker v2.1.1, and integrated Lead Engine into gateway.

heatmap-tool/frontend/Dockerfile

@@ -1,20 +1,27 @@
-# Use an official Node.js runtime as a parent image
-FROM node:20-alpine
+# --- STAGE 1: Build ---
+FROM node:20-alpine AS builder
 
-# Set the working directory in the container
 WORKDIR /app
 
-# Copy package.json and package-lock.json to the container
-COPY package.json package-lock.json ./
-
 # Install dependencies
+COPY package.json package-lock.json ./
 RUN npm install --legacy-peer-deps
 
-# Copy the rest of the application's code
+# Copy source and build
 COPY . .
+RUN npm run build
 
-# Expose the port the app runs on
-EXPOSE 5173
+# --- STAGE 2: Runtime ---
+FROM nginx:alpine
 
-# Command to run the development server
-CMD ["npm", "run", "dev"]
+# Copy built assets from builder stage
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# Copy custom nginx config for SPA routing
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# Expose port 80
+EXPOSE 80
+
+# Nginx starts automatically
+CMD ["nginx", "-g", "daemon off;"]