Expose n8n instead of PDF helper

Dockerfile

@@ -30,8 +30,11 @@ ENV PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH=/usr/bin/chromium
 ENV PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1
 ENV N8N_USER_FOLDER=/data/.n8n
 ENV N8N_COMMUNITY_PACKAGES_ENABLED=true
+ENV PORT=7860
 ENV N8N_PORT=7860
 ENV N8N_LISTEN_ADDRESS=0.0.0.0
+ENV PDF_SERVER_HOST=127.0.0.1
+ENV PDF_SERVER_PORT=3000
 
 COPY start.sh /start.sh
 RUN chmod +x /start.sh

pdf-server.js

@@ -6,7 +6,8 @@ const path = require('path');
 const app = express();
 app.use(express.json({ limit: '50mb' }));
 
-const PORT = 3000;
+const PORT = Number(process.env.PDF_SERVER_PORT || 3000);
+const HOST = process.env.PDF_SERVER_HOST || '127.0.0.1';
 const CHROMIUM_PATH = process.env.PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH || '/usr/bin/chromium';
 
 // Arguments Chromium pour environnement restreint (HuggingFace)
@@ -402,7 +403,7 @@ app.post('/scroll-capture', async (req, res) => {
 });
 
 // ==================== START ====================
-app.listen(PORT, '0.0.0.0', () => {
+app.listen(PORT, HOST, () => {
   console.log(`🚀 PDF Server v2 running on port ${PORT}`);
   console.log(`📄 Endpoints: /health, /generate-pdf, /screenshot, /multi-screenshot, /scrape, /scroll-capture`);
 });