fix: make Coolify image self-contained

Dockerfile

@@ -1,3 +1,26 @@
+FROM composer:2 AS vendor
+
+WORKDIR /app
+
+COPY composer.json composer.lock ./
+
+RUN composer install \
+    --no-dev \
+    --no-interaction \
+    --no-progress \
+    --prefer-dist \
+    --optimize-autoloader
+
+FROM node:22-alpine AS assets
+
+WORKDIR /app
+
+COPY package.json package-lock.json vite.config.js ./
+COPY resources ./resources
+COPY public ./public
+
+RUN npm ci && npm run build
+
 FROM php:8.3-cli-bookworm
 
 WORKDIR /var/www/html
@@ -23,6 +46,10 @@ COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
 COPY docker/app/php.ini /usr/local/etc/php/conf.d/99-webgis.ini
 COPY docker/app/entrypoint.sh /usr/local/bin/webgis-entrypoint
 
+COPY . .
+COPY --from=vendor /app/vendor ./vendor
+COPY --from=assets /app/public/build ./public/build
+
 RUN chmod +x /usr/local/bin/webgis-entrypoint
 
 EXPOSE 8000