feat: replace Node.js production server with NGINX for static file serving

Dockerfile

@@ -1,5 +1,5 @@
-# Dockerfile for Astro webapp
-# Use official Node.js image as the base
+# Dockerfile for Astro webapp with NGINX for production
+# Stage 1: Build the Astro application
 FROM node:20-alpine as build
 
 # Set working directory
@@ -15,20 +15,25 @@ COPY . .
 # Build the Astro project
 RUN npm run build
 
-# Production image
-FROM node:20-alpine as prod
-WORKDIR /app
+# Stage 2: Serve with NGINX
+FROM nginx:alpine
 
-# Install only production dependencies
-COPY package.json package-lock.json ./
-RUN npm ci --omit=dev
+# Copy built static files from build stage to NGINX html directory
+COPY --from=build /app/dist /usr/share/nginx/html
 
-# Copy built files from build stage
-COPY --from=build /app/dist ./dist
-COPY public ./public
+# Add custom NGINX configuration if needed
+RUN echo 'server {\
+    listen 80;\
+    server_name _;\
+    root /usr/share/nginx/html;\
+    index index.html;\
+    location / {\
+        try_files $uri $uri/ /index.html;\
+    }\
+}' > /etc/nginx/conf.d/default.conf
 
-# Expose Astro's default port
-EXPOSE 4321
+# Expose port 80
+EXPOSE 80
 
-# Start the Astro preview server
-CMD ["npx", "astro", "preview", "--host"]
+# Start NGINX
+CMD ["nginx", "-g", "daemon off;"]