Update Dockerfile

Author: dsubject

Dockerfile

@@ -1,10 +1,25 @@
-# Base image: Use NGINX to serve static files
+# Stage 1: Build the Astro static site
+FROM node:18-alpine AS builder
+
+# Set working directory
+WORKDIR /app
+
+# Install dependencies
+COPY package.json package-lock.json ./
+RUN npm install --production
+
+# Copy source files and build Astro
+COPY . .
+RUN npm run build
+
+# Stage 2: Serve the static files with NGINX
 FROM nginx:alpine
 
-# Copy Astro's static output to NGINX's HTML directory
-COPY dist/ /usr/share/nginx/html
+# Copy the Astro build output to NGINX's HTML directory
+COPY --from=builder /app/dist /usr/share/nginx/html
 
-# Expose the default HTTP port
+# Expose the HTTP port
 EXPOSE 80
 
-CMD ["nginx", "-g", "daemon off;"]
+# Start NGINX
+CMD ["nginx", "-g", "daemon off;"]