feat: add multi-stage Docker build for frontend assets and externalize configuration via environment variables

Dockerfile

@@ -1,3 +1,12 @@
+# Stage 1: Build Frontend Assets (Vite)
+FROM node:20-alpine AS assets-builder
+WORKDIR /app
+COPY package.json package-lock.json* ./
+RUN npm install
+COPY . .
+RUN npm run build
+
+# Stage 2: Final Application Image
 FROM php:8.3-cli
 
 RUN apt-get update \
@@ -10,6 +19,9 @@ COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
 WORKDIR /app
 COPY . .
 
+# Copy built assets from assets-builder
+COPY --from=assets-builder /app/public/build ./public/build
+
 RUN composer install --no-interaction --no-progress --optimize-autoloader \
     && chmod +x docker/entrypoint.sh
 
@@ -17,3 +29,4 @@ EXPOSE 8000
 
 ENTRYPOINT ["docker/entrypoint.sh"]
 CMD ["php", "artisan", "serve", "--host=0.0.0.0", "--port=8000"]
+