MarcTeunis@h2960475:/home/MarcTeunis/projects/aspis4j$ docker-compose build
ERROR: Version in "./docker-compose.yml" is unsupported. You might be seeing this error because you're using the wrong Compose file version. Either specify a supported version (e.g "2.2" or "3.3") and place your service definitions under the `services` key, or omit the `version` key and place your service definitions at the root of the file to use version 1.
For more on the Compose file format versions, see https://docs.docker.com/compose/compose-file/
What is causing this ERROR? How to make compatible to older/newer versions of Docker Compose?
When cloning the repo to an UBUNTU server, I got:
What is causing this ERROR? How to make compatible to older/newer versions of Docker Compose?