server: Log incoming requests on finish

api/server.mjs

@@ -7,6 +7,33 @@ export function run(http, orgPort, ctx) {
   let packageInfo = JSON.parse(readFileSync(packagePath))
 
   const server = http.createServer(function (req, res) {
+    let finishedRequest = false
+    var done = function () {
+      if (finishedRequest) return
+      finishedRequest = true
+
+      let level = 'debug'
+      if (res.statusCode >= 400) {
+        level = 'warn'
+      }
+      if (res.statusCode >= 500) {
+        level = 'error'
+      }
+
+      let status = ''
+      if (res.statusCode >= 400) {
+        status = res.statusCode + ' '
+      }
+
+      ctx.log[level]({
+        duration: requestTime,
+        status: res.statusCode,
+      }, `<-- ${status}${req.method} ${req.url}`)
+    }
+    
+    res.addListener('finish', done);
+    res.addListener('close', done);
+
     res.writeHead(200);
     res.write(JSON.stringify(packageInfo, null, '  '))
     res.end()

package.json

@@ -1,6 +1,6 @@
 {
   "name": "sc-helloworld",
-  "version": "2.0.2",
+  "version": "2.0.3",
   "description": "Hello World app for service core",
   "main": "index.js",
   "scripts": {