learn/docker/example/docker-compose.md

Docker Compose

allows running of multiple containers/volumes

Creating

create a docker-compose.yaml file in the root dir of the project

Running

use docker-compose up

Sections

Version

a version number (i.e. version: '3')

services

this is the section containing the different things you want to run for example, if you want to runa web app, and then sql db you would use:

services:
    web:
        build: .
        ports:
            - "3000:3000"
    db:
        image: "mysql"
        environment:
            # env vars here
            ROOT_PASS: password
        volumes:
            -db-data:/foo

volumes:
    -db-data:/foo