What technologies to choose for the fastest possible creation of an elementary server for a mobile application?

Question

Java

The Internet has been wooling for a long time and now, due to a very large selection of technologies, it is completely confused. There is no time to try everything, you urgently need to raise a server in the cloud that can send JSON via GET request for mobile clients (there may be many of them), and request JSON from another server every hour. What minimum technology is needed to quickly raise a server in the cloud? And what cloud will advise? Server preferably on JAVA , cloud with JAVA support

Answer 1

whether in the trend!

Answer 2

Jooby.org or sparkjava.com

Answer 3

sometimes I use heroku.com to quickly upload something and show how it works.
you can upload the code in one line through "git push", the service automatically selects by the code what environment you need to create for this code to work, it's convenient and there is a free "hobby" tariff

Answer 4

Giving json by get is a restful service, the easiest way to do this is to use Python3 + Flask. On this stack, you get the most compact and understandable code that you can imagine!

Answer 5

To give json you do not need any specific technologies. It is enough to create a service that returns an http request not an html page, but json

Answer 6

sparkjava.com and wrap in graphql