CHORE: Added k3s deployment architecture (Dockerfile and k8s.yaml)

Dockerfile

@@ -0,0 +1,15 @@
+# Step 1: Build the static Next.js application
+FROM node:20-alpine AS builder
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN npm ci
+COPY . .
+RUN npm run build
+
+# Step 2: Serve the static files with NGINX
+FROM nginx:alpine
+# Copy the static export from Next.js (the 'out' folder) to the NGINX html directory
+COPY --from=builder /app/out /usr/share/nginx/html
+# Expose port 80
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]