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xeoncross/docker_environment.md

Created April 30, 2020 21:38
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Be careful when setting docker compose environment variables
Raw
docker_environment.md

The following shows the right and wrong way to specify the environment flags. Be careful using Key: Value format depending on the docker version.

version: "3.2"
services:
    mariadb:
        image: mariadb:10.5
        ports:
            - "3306:3306"
        environment:
            # MYSQL_ROOT_PASSWORD: admin
            # MYSQL_DATABASE: app
            # MYSQL_USER: app
            # MYSQL_PASSWORD: password
            
            - MYSQL_ROOT_PASSWORD=admin
            - MYSQL_DATABASE=app
            - MYSQL_USER=app
            - MYSQL_PASSWORD=password
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