There's a lot of work being done on making Java more container friendly. E.g., Project Portola [1] (Java on Alpine Linux), jlink and modules, and Valhalla would

There's a lot of work being done on making Java more container friendly. E.g., Project Portola [1] (Java on Alpine Linux), jlink and modules, and Valhalla would likely reduce memory consumption. You can even compile some Java apps AOT these days with native-image. Plus, there are plenty of lightweight alternatives to Spring. [1]: https://openjdk.java.net/projects/portola/ https://openjdk.java.net/projects/portola/