Collections are a distribution format that package:
You can publish and use collections through Ansible Galaxy.
ansible-galaxy collection init my_namespace.my_collection
Example: https://github.com/bcoca/collection
Build the collection into a collection artifact
ansible-galaxy collection build
creates a tarball of the built collection in the current directory which can be uploaded to Galaxy.:
my_collection/
├── galaxy.yml
├── ...
├── my_namespace-my_collection-1.0.0.tar.gz
└── ...
Publish the collection artifact to Galaxy
ansible-galaxy collection publish
# or
ansible-galaxy collection publish path/to/my_namespace-my_collection-1.0.0.tar.gz --api-key=SECRET
From the tarball created during the build
ansible-galaxy collection install my_namespace-my_collection-1.0.0.tar.gz -p ./collections