🐳 Fix: Bind server to 0.0.0.0 for Docker accessibility

Dockerfile

@@ -1,15 +1,31 @@
-# Production Docker for Astro Static Site
+# Build Stage
 FROM node:20-alpine AS builder
+
 WORKDIR /app
 COPY package*.json ./
 RUN npm ci
 COPY . .
 RUN npm run build
 
+# Production Stage
 FROM node:20-alpine
+
 WORKDIR /app
+
+# Copy built assets
 COPY --from=builder /app/dist ./dist
+COPY --from=builder /app/package.json ./
+
+# Install serve globally
 RUN npm install -g serve
+
+# Expose port
 EXPOSE 3000
-ENV NODE_ENV=production PORT=3000 HOST=0.0.0.0
-CMD ["serve", "dist", "-l", "3000", "--single"]
+
+# Environment
+ENV NODE_ENV=production
+ENV PORT=3000
+ENV HOST=0.0.0.0
+
+# Start server - MUST bind to 0.0.0.0 for Docker
+CMD ["serve", "dist", "-l", "3000", "--config", "{\"public\":\"dist\",\"directoryListing\":false}"]