Gin projects can be deployed easily on any cloud provider.
Render is a modern cloud platform that offers native support for Go, fully managed SSL, databases, zero-downtime deploys, HTTP/2, and websocket support.
Follow the Render guide to deploying Gin projects.
GAE has two ways to deploy Go applications. The standard environment is easier to use but less customizable and prevents syscalls for security reasons. The flexible environment can run any framework or library.
Learn more and pick your preferred environment at Go on Google App Engine.