docker-compose

A guide by Alex Fernandez

docker-composeCompose is a tool for defining and running multi-container Docker applications.Compose is great for development, testing, and staging environments, as well as CI workflows.

Features1. Multiple isolated environments on a single host

2. Preserve volume data when containers are created

3. Only recreate containers that have changed

4. Variables and moving a composition between environments

Using docker-compose is a 3-way step

1. Define your app’s environment with a Dockerfile so it can be reproduced anywhere.

2. Define the services that make up your app in docker-compose.yml so they can be run together in an isolated environment.

3. run docker-compose up and Compose will start and run your entire app.

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