YAML - YAML 1.2 --- YAML: YAML Ain't Markup Language
Apache Thrift - An interface definition language and communication protocol for creating cross-language services.
TOML - TOML - Tom's Obvious, Minimal Language
Docker Hub - Docker Hub is a cloud-based registry service
JSON - (JavaScript Object Notation) is a lightweight data-interchange format
gRPC - Application and Data, Languages & Frameworks, Remote Procedure Call (RPC), and Service Discovery