1.Compose is a tool for defining and running multi-container Docker applications
2. A YAML file is used to configure all the application services
3. With a single command the services can be created and started using the defined configurations
4. Compose has command to start , stop and rebuild services.
5. docker-compose can be used to view the status of the running services.
6. It can stream the log output of running services.
7.docker-compose only recreates containers that have changed.