Yes. Yaml format is a superset of json format. Therefore any json

file is also a valid Yaml file.

If we use a json file then we have to specify in docker command that

we are using a json file as follows:

% docker-compose -f docker-compose.json up

https://dockerlabs.collabnix.com/intermediate/workshop/DockerCompose/Lab_%2324_Use_JSON_instead_of_YAML_compose_file_in_Docker.html