feat: add environment-aware logging and dual-environment support

.gitignore

@@ -0,0 +1,5 @@
+node_modules
+.DS_Store
+*.bat
+*.txt
+# docker-compose.yml

docker-compose.yml

@@ -0,0 +1,32 @@
+version: '3.8'
+
+services:
+  pdf-prod:
+    build: .
+    container_name: pdf-prod
+    restart: always
+    ports:
+      - "7860:7860"
+    environment:
+      - NODE_ENV=production
+      - PORT=7860
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "10m"
+        max-file: "3"
+
+  pdf-test:
+    build: .
+    container_name: pdf-test
+    restart: always
+    ports:
+      - "7861:7860"
+    environment:
+      - NODE_ENV=test
+      - PORT=7860
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "10m"
+        max-file: "3"

server.js

@@ -4,22 +4,22 @@ const puppeteer = require('puppeteer');
 const cors = require('cors');
 
 const app = express();
-const port = 7860;
+const port = process.env.PORT || 7860;
+const isTest = process.env.NODE_ENV === 'test';
 
-// Helper function for delay (replacement for deprecated page.waitForTimeout)
 const delay = (ms) => new Promise(resolve => setTimeout(resolve, ms));
 
-// Enable CORS for all origins (or restrict to gemini.google.com)
 app.use(cors());
-
-// Increase payload limit for large HTML
 app.use(express.json({ limit: '50mb' }));
 
 app.get('/', (req, res) => {
-  res.send('Puppeteer PDF Server Running');
+  res.send(`Puppeteer PDF Server Running (${isTest ? 'TEST' : 'PRODUCTION'})`);
 });
 
 app.post('/api/generate_pdf', async (req, res) => {
+  const envText = isTest ? '测试环境' : '生产环境';
+  const bgColor = isTest ? '\x1b[44m' : '\x1b[41m';
+  console.log(`${bgColor}\x1b[37m[PDF-GEN] 收到 API 请求 | 当前运行环境: ${envText}\x1b[0m`);
   let browser = null;
   try {
     const { html, showWatermark, imageCount, totalImageSizeMB } = req.body;