Docker Compose

Docker Compose is a tool that enables you to define multiple containers and their dependencies in a declarative yml file. YAML (YAML Ain’t Markup Language) is a declarative language similar to JSON but aimed at making it more readable by humans. Rather than surrounding everything in quotes and brackets like JSON does, it uses indentation for hierarchy. Developers like Docker Compose because it’s more readable than the Docker command line and makes it easy to compose and connect multiple containers in a declarative way. The best way to understand Compose is by opening the Docker Compose file at:

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c:\Users\<username>\Documents\DockerBook\catalog\src\ProductCatalog\ docker-compose.yml

or on a Mac

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