Changing Cloud function regions while using NodeJS

Question

So I know that this question has been asked quite a lot, and the common answer is adding a region like this:

export.webhookEurope = functions
.region('europe-west1')
.https.onRequest((req, res) => {
    res.send("Hello");
});

But in my case, I'm working with the onCreate method, and sampling the above code in my function just throws me an error. Code looks like this.

export const onCreate = functions.firestore
.document('parent/{id}')
.region('europe-west1')
.onCreate(async (snapshot, context) => {
    // some code which deploys correctly if I leave out the 'region'    
});

So deploying without the 'region' part works fine, but if I leave it in, it gives me the following error:

npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! functions@ build: `tsc`
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the functions@ build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

Error: functions predeploy error: Command terminated with non-zero exit code2

So what would be the correct way of changing the default region?

Doug Stevenson · Accepted Answer · 2020-04-19 17:07:27Z

1

You're putting the call to region() in the wrong part of the builder. It comes before the identification of the product you're triggering on:

export const onCreate = functions
.region('europe-west1')
.firestore
.document('parent/{id}')
.onCreate(async (snapshot, context) => {
    // some code which deploys correctly if I leave out the 'region'    
});

The API reference might be helpful in the future. Especially FunctionBuilder.

answered Apr 19, 2020 at 17:07

Doug Stevenson

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1 Comment

ForWiz Over a year ago

You saved me again Doug, thank you so much. Btw your YT Firebase tutorial is amazing :)

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