Vercel next.js deployment function logs without third party

Question

Been toying around with Vercel for deployment and really like the simplicity. Maybe I am not seeing something here, but how can I get visibility into a function without piping to a third-party?

I've got this pages/api/hello.js-api

export default (req, res) => {
    console.log("yolo");
    res.statusCode = 200;
    res.json({ name: "John Doe" });
};

I can then see the following results in the dashboard. But where or how could I see the yolo and I missing something here? Is there a different way for proper debugging?

Going off forums, seems to be a known issue which they don't seem to be hurrying to fix. Found this package someone added as a work-around: https://logs.now.sh/ — timothyclifford, May 10 '20 at 16:41
thx! Doesn't really seem to be working for me. I can connect to my secret, but its not streaming anything. Any clues? — Fabian Bosler, May 10 '20 at 18:23
I have added an answer containing solution which worked for me, let me know if this helps. — timothyclifford, May 11 '20 at 07:39

score 4 · Answer 1 · answered Feb 21 '22 at 01:48

4

While Vercel seems to have fixed the issue with console.log output not showing up in their online dashboard, I still found it pretty frustrating how quickly logs disappeared from their dashboard.

I found using vercel logs --follow <deployment-name> from my terminal to be more useful for debugging issues with my deployed functions.

answered Feb 21 '22 at 01:48

Rahul Gupta-Iwasaki

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For whatever reason, I'm unable to see logs from my Python based serverless functions through the UI. Using the command you provided, however, does work. Thanks for the info. – TheJizel Aug 16 '22 at 22:11

score 2 · Accepted Answer · answered May 10 '20 at 18:51

2

Have created the same setup here:

https://github.com/timothyclifford/offsets/blob/master/pages/api/hello.js

Pushed this to Vercel and can see the console logs being printed out correctly:

answered May 10 '20 at 18:51

timothyclifford

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Thx. It actually did work for me too at some point, not sure what had changed. – Fabian Bosler May 11 '20 at 08:14

Vercel next.js deployment function logs without third party

2 Answers2