Add GCP Deploy Button (using Cloud Run) to Readme

[SudharakaP]

Working on jhipster/generator-jhipster#10345, I thought it would be beneficial to add a deploy button to GCP, similar to what we have for Heroku. Especially this will help with the microservice deployments on GCP.

Will finalize the PR once my testing is done 😄

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[SudharakaP]

There's a problem with adding this button and using Cloud Run since the app.yaml file for Heroku clashes with the app.yaml for Cloud Run. I've opened an issue for this here; GoogleCloudPlatform/cloud-run-button#112

I am thinking of a solution to this. If anyone can think of a workaround for this problem let me know 😄

[SudharakaP]

After some thinking about this, I am closing this since there seems to be some work done on the Cloud Run button side (as per GoogleCloudPlatform/cloud-run-button#112) before we can support this button. I'll add this in the future when that work is completed. 😄

[PierreBesson]

I'm not a big fan of supporting this kind of button as we will have to do the support ourselves. When we added the Heroku button, it was supported by @jkutner who was paid by Heroku to work on this kind of stuff but this is my understanding that he changed roles at Heroku.
Apart from the wow factor, I don't think it is supporting any real use case to deploy the registry at the click of a button and we have had almost no feedback about it.
Also the fact that we have to keep a separate develop branch to not break the button by mistake is wasting our time and it's a source of confusion for external contributors.

[SudharakaP]

@PierreBesson : Agreed. Thanks for the info. Thought it would be nice to have one since we have one already for Heroku. 😄