Upload image file to bucket success.

index.js

@@ -59,13 +59,10 @@ setInterval(checkUpNotify, 1000 * 60 * 60 * 24);
 
 //Google storage req
 const PROJECT_ID = "marketalarm";
-const KEY_FILENAME = "marketalarm-262e746e533c.json"; //relative path
+const KEY_FILENAME = ""; //relative path
 const BUCKET_NAME = "marketalarm-photos";
 //Tried implicitly creating with env credentials and direktcly as here
-const storage = new Storage({
-  projectId: PROJECT_ID,
-  keyFilename: KEY_FILENAME
-});
+const storage = new Storage();
 
 const bucket = storage.bucket(BUCKET_NAME);
 
@@ -77,8 +74,7 @@ app.get("/generateSignedURL", (req, res) => {
       //Tried to define Google ID and private key while debugging
       version: "v2", //tried v4 also
       action: "write",
-      "Content-Type": "image/*",
-      //contentType: "image/*", //tried without and with specific image/png ex.
+      contentType: "image/*", //tried without and with specific image/png ex.
       expires: Date.now() + 86400000
     };
     const filename = req.query.filename;
@@ -90,10 +86,6 @@ app.get("/generateSignedURL", (req, res) => {
 
     console.log(`The signed url is ${url}.`);
 
-    res.header("Access-Control-Allow-Origin", "http://localhost:5000");
-    res.header("Access-Control-Allow-Methods", "PUT,OPTIONS");
-    res.header("Access-Control-Allow-Headers", "Content-Type, Origin");
-    res.header("Access-Control-Max-Age", "86400000");
     res.status(200).send(url);
   }
   generateSignedUrl().catch(console.error);