start crawler loop when server is started

app/crawler/crawl.js

@@ -26,15 +26,14 @@ const crawlers = [
 async function crawlAll() {
   for (let crawler of crawlers) {
     try {
-      const newRealEstates = await crawler.crawl();
-
-      console.log("Number of new real estates : ", newRealEstates.length);
+      return await crawler.crawl();
     } catch (e) {
       console.log("Error crawling. Trying next crawler! ", e);
+      return [];
     }
   }
 }
 
-(async () => {
-  await crawlAll();
-})();
+module.exports = {
+  crawlAll
+};

app/crawler/npmCrawl.js

@@ -0,0 +1,5 @@
+const { crawlAll } = require("./crawl");
+
+(async () => {
+  await crawlAll();
+})();