Logging

src/server.js

@@ -3,11 +3,24 @@ const express = require('express');
 const programsRouter = require('./routes/programs');
 const activeRouter = require('./routes/active');
 const { errorMiddleware, envelope } = require('./errors');
+const log = require('./log');
 
 function createApp() {
   const app = express();
   app.use(express.json({ limit: '5mb' }));
 
+  // Request-Logging: jede Anfrage mit Methode, Pfad, Status und Dauer. So sieht man
+  // im Container-Log sofort, ob der Driver durchkommt und wie der Service antwortet.
+  app.use((req, res, next) => {
+    const t0 = Date.now();
+    res.on('finish', () => {
+      const ms = Date.now() - t0;
+      const mark = res.statusCode >= 400 ? '✖' : '→';
+      log.info(`${mark} ${req.method} ${req.originalUrl} ${res.statusCode} (${ms}ms)`);
+    });
+    next();
+  });
+
   app.get('/api/health', (req, res) => res.json({ ok: true, service: 'appRobotFileservice' }));
   app.use('/api/programs', programsRouter);
   app.use('/api/active', activeRouter);