fix: Simplify Dockerfile - let Astro handle public folder

- Remove manual public folder copy
- Astro build automatically includes public/ in dist/
- This ensures favicons and other static assets are served

Fixes favicon 404 error.

dealplustech-astro/Dockerfile

@@ -1,21 +1,4 @@
-# Build Stage
-FROM node:20-alpine AS builder
-
-WORKDIR /app
-
-# Copy package files
-COPY package*.json ./
-
-# Install dependencies
-RUN npm ci
-
-# Copy source code
-COPY . .
-
-# Build the project
-RUN npm run build
-
-# Production Stage
+# Astro Production Dockerfile
 FROM node:20-alpine
 
 WORKDIR /app
@@ -23,20 +6,17 @@ WORKDIR /app
 # Copy package files
 COPY package*.json ./
 
-# Install production dependencies only
-RUN npm ci --production
+# Install dependencies
+RUN npm ci --omit=dev
 
-# Copy built assets from builder
-COPY --from=builder /app/dist ./dist
-COPY --from=builder /app/public ./public
-COPY --from=builder /app/astro.config.mjs ./
+# Copy source code
+COPY . .
+
+# Build Astro project (includes public folder in dist)
+RUN npm run build
 
 # Expose port
 EXPOSE 4321
 
-# Health check
-HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
-  CMD node -e "require('http').get('http://localhost:4321', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
-
-# Start the server
+# Start Astro preview server
 CMD ["npm", "run", "preview", "--", "--host", "0.0.0.0", "--port", "4321"]