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Is there any pricing information regarding deploying cloud functions with minInstances greater than 0? Also, when I deployed the function with runWith({ minInstances: 1}), the edit function page at console.cloud.google.com does not reflect the change.

Shaun
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You can find pricing info on the Firebase Pricing Page. Note this info to figure out the cost of minimum instances

kept idle refers to idle billable time of instances kept warm using minimum instances.

You can also get a quote when you deploy:

  1. Change your function to use minInstances
export const example = functions.https.onCall( ...
export const example = functions.runWith({minInstances: 1}).https.onCall( ...

  1. Deploy via firebase deploy --only functions

  2. The command line should prompt you with a quote and confirmation input such as:

functions: The following functions have reserved minimum instances. This will reduce the frequency of cold starts but increases the minimum cost. You will be charged for the memory allocation and a fraction of the CPU allocation of instances while they are idle.

With these options, your minimum bill will be $153.75 in a 30-day month

? Would you like to proceed with deployment? (y/N)

Also a tip: I use cloud scheduler to keep my functions warm as it's a small fraction of the cost and works just as well for my use case.

August Kimo
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    Could you give an example of how to use cloud scheduler to keep functions warm? Sounds like something I'd like to try – JuroOravec Sep 29 '22 at 07:04