Make public and link to the build/deploy pipeline

[anishkny]

What Happened?
Cannot locate builds/deploys.

What Did You Expect to Happen
Would like to examine the CD pipeline to see how the project is built and deployed. It seems that Google Cloud Build is being used behind the scenes. It is instructive to see it in action. Please allow read-only access and link it via say a build badge (similar to e.g. TravisCI) on the main README. Thanks!

Screenshot (If Applicable)
TODO

[samtstern]

@anishkny the build is all configured here:
https://github.com/firebase/firebaseopensource.com/blob/master/static/cloudbuild.yaml

For what it's worth I don't think I am using Cloud Build 100% correctly but once I got something working I decided it was "good enough". The site is re-built every hour which is not very efficient but it's still so cheap that I have no incentive to reduce it.

Does Cloud Build actually support public-read permissions? I can't find a place to configure that, but I would be happy to open it up.

[anishkny]

Thanks and fair enough. Although Cloud Build needs to look at the competition and see how easy it makes open-source CI/CD! Just look at TravisCI, CircleCI, Azure Pipelines. Would you consider using one of them?

[samtstern]

@anishkny maybe if I were starting over, but right now we are happy with Cloud Build and there's no reason to switch.

Travis is a great option and used all over Firebase. We were also interested in trying CircleCI but their app requires a GitHub scope that gives write access to code on repos which we are not allowed to grant (Google policy). Never looked into Azure Pipelines personally.