Support for GAE Flexible

[SudharakaP]

Overview of the feature request

Currently we support GAE Standard and my belief is it's getting fairly stable after we fix #10336.

I would like to discuss about supporting GAE Flexible. The problem is Flexible environment by default only runs on Java 8. Although what I would like to try is to define a custom run-time to support Java 11. This way we could make our GAE generators consistent; both supporting Java 11.

Do you guys think this is a worthwhile effort? I am not sure how much demand we get for our GAE generator or if it's widely used by our users. Anyhow feel free to let me know your thoughts on this. 😄

If this is useful; I can work on this one next 😄

Motivation for or Use Case

Make the GAE generator support all App Engine environments so that users have a wider choice.

Related issues or PR

#10196

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[saturnism]

i don't personally feel this is necessary at this time. App Engine Standard Java 11 can do just about everything now. I would prioritize microservices first :)

[SudharakaP]

@saturnism : Agreed. 😄 I wonder whether we should do this at all since doing too many things might make the generators unmanageable. We should probably focus on one stable monolith deployment method (i.e: GAE Standard Environment which we already have) and one stable micro-service deployment (which is underway). How about we close this issue ?

[saturnism]

Agreed :) Let's focus on the 2 most important use cases first. Thanks for the help!

[SudharakaP]

@saturnism : You are welcome 😄