Test for docker-compose version
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wltrimbl commented
The ubuntu repositories at present have a version of docker-compose (0.8?) that does not support the docker-compose format (3.1) we are using.
docker-compose -f Docker/Compose/skyport-demo.yaml up
ERROR: Version in "./Docker/Compose/skyport-demo.yaml" is unsupported. You might be seeing this error because you're using the wrong Compose file version. Either specify a version of "2" (or "2.0") 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/
This says that version 0.13.1 or later will work:
https://docs.docker.com/compose/compose-file/
But if you want docker-compose for ubuntu
https://docs.docker.com/compose/install/
You can install the binary and run with this one-liner:
sudo curl -L https://github.com/docker/compose/releases/download/1.18.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
Suggest: Test docker-compose version against 0.13.1 in init.sh and issue a helpful error if it's doomed to fail.