Nigiri provides a command line interface that manages a selection of docker-compose batteries included to have ready-to-use bitcoin regtest development environment, with a bitcoin node, electrum explorer both backend and frontend user interface.

It offers a JSON HTTP proxy passtrough, called Nigiri Chopsticks that adds to the explorer handy endpoints like /faucet and /mint with automatic block generation.

You can have Elements too with the --liquid flag.

Are you looking to spin-up Nigiri in Travis or Github Action? Look here