add logger and daily rotating log files

lib/index.js

@@ -9,16 +9,24 @@ const {
   genericErrorHandler,
   checkURLParameter,
   forceSecure,
+  createRouteLogger,
+  createErrorLogger,
 } = require('./middlewares')
+const { createAppLogger } = require('./utils')
 
 const port = process.env.PORT
 const certEndpoint = process.env.CERT_ENDPOINT || ''
 const certSecret = process.env.CERT_SECRET || ''
+const isDevelopment = process.env.NODE_ENV === 'development'
 
 const app = express()
+const appLogger = createAppLogger({ dev: isDevelopment })
 
 app.use(forceSecure)
 
+// Server logs
+app.use(createRouteLogger({ dev: isDevelopment }))
+
 app.set('view engine', 'ejs')
 app.set('views', path.join(__dirname, 'views'))
 
@@ -59,7 +67,9 @@ app.post('/download', async (req, res, next) => {
   try {
     const { url } = req.body
 
-    const ics = await retrieveICS(url)
+    const ics = await retrieveICS(url, {
+      logger: appLogger,
+    })
 
     res
       .contentType('text/calendar')
@@ -70,8 +80,7 @@ app.post('/download', async (req, res, next) => {
   }
 })
 
+app.use(createErrorLogger({ dev: isDevelopment }))
 app.use(genericErrorHandler)
 
-app.listen(port, () => {
-  console.log(`App running on port ${port}`)
-})
+app.listen(port)