CODEWITHSUNDEEP
wordpressdocker
Pandanemone
Pandanemone

Reputation: 13

How to set WORDPRESS_DB_HOST in docker-compose

I would like to know how to set WORDPRESS_DB_HOST in docker-compose file.

wordpress:
    image: wordpress
    ports:
        - 8080:80
    environment:
        WORDPRESS_DB_PASSWORD: example
        WORDPRESS_DB_HOST: 192.168.99.100:3307

wordpress_db:
    image: mariadb
    environment:
        MYSQL_ROOT_PASSWORD: example
    ports:
        - 3307:3306
    volumes:
        - /doc/wordpress_db:/var/lib/mysql

Here, "192.168.99.100" is my IP's docker machine. I would like to replace it by a dynamic value.

Thanks ! :)

Upvotes: 1

Views: 7685

Answers (1)

Rickkwa
Rickkwa

Reputation: 2291

I'm not sure about version 1 of docker-compose, but I would do it like this:

version: '2'
services:
  wordpress:
    image: wordpress
    ports:
      - 8080:80
    environment:
      - WORDPRESS_DB_PASSWORD=example
      - WORDPRESS_DB_HOST=wp_db
    links:
      - wordpress_db:wp_db

  wordpress_db:
    image: mariadb
    environment:
      - MYSQL_ROOT_PASSWORD=example
    ports:
      - 3307:3306
    volumes:
      - /doc/wordpress_db:/var/lib/mysql

The thing to note is the links part. You can link the container to a container in another service. This allows you to reference the IP of the database with the alias wp_db.

Upvotes: 2

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