fix install adapters

Dockerfile

@@ -13,7 +13,7 @@ FROM node:20-alpine
 
 WORKDIR /app
 
-COPY --from=build /app/.svelte-kit/output /app/build
+COPY --from=build /app/build ./build
 COPY --from=build /app/package.json ./package.json
 
 RUN npm install --production

package.json

@@ -21,6 +21,7 @@
 		"vite": "^7.0.4"
 	},
 	"dependencies": {
+		"@sveltejs/adapter-node": "^5.2.13",
 		"dom-to-image": "^2.6.0",
 		"html2canvas": "^1.4.1"
 	}

svelte.config.js

@@ -1,4 +1,4 @@
-import adapter from '@sveltejs/adapter-auto';
+import adapter from '@sveltejs/adapter-node';
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {