MariaDB Container cheat sheet

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$ docker images ls
  • Create the network
$ docker network create mynetwork

It is good practice to create the Docker network and attach the container to the network.

  • Start the container with server options
    To start the container in the background with the MariaDB server image run:
$ docker run --rm --detach \
--env MARIADB_ROOT_PASSWORD=sosecret \
--network mynetwork \
--name mariadb-server \

Additionally environment variables are also be provided.

  • Get the list of running containers (specify the flag -a in case you want to see all containers)
$ docker ps
CONTAINER ID   IMAGE            COMMAND                  CREATED          STATUS          PORTS      NAMES
ad374ec8a272   mariadb:latest   "docker-entrypoint.s…"   3 seconds ago    Up 1 second     3306/tcp   mariadb-server
  • Start the client from the container

To start the mariadb client inside created container and run specific command, run following:

$ docker exec -it mariadb-server mariadb -psosecret -e "SHOW PLUGINS"
  • Inspect logs from the container
$ docker logs mariadb-server

In the logs you can find status information about the server, plugins, generated passwords, errors and so on.

  • Restart the container
$ docker restart mariadb-server
  • Run commands within the container
$ docker exec -it mariadb-server bash
  • Use a volume to specify configuration options
$ docker run --detach --env MARIADB_USER=anel \
  --env MARIADB_PASSWORD=anel \
  --env MARIADB_DATABASE=my_db \
  --volume $PWD/my_container_config:/etc/mysql/conf.d:z \
  --network mynetwork \
  --name mariadb-server1 \

One can specify custom configuration files through the /etc/mysql/conf.d volume during container startup.

  • Use a volume to specify grants during container start
$ docker run --detach --env MARIADB_USER=anel\
  --env MARIADB_PASSWORD=anel \
  --env MARIADB_DATABASE=my_db \
  --volume $PWD/my_init_db:/docker-entrypoint-initdb.d \
  --network mynetwork \
  --name mariadb-server1 \

User created with the environment variables has full grants only to the MARIADB_DATABASE. In order to override those grants, one can specify grants to a user, or execute any SQL statements from host file to docker-entrypoint-initdb.d. In the local_init_dir directory we can find the file, created like this:

$ echo "GRANT ALL PRIVILEGES ON *.* TO anel;" > my_init_db/my_grants.sql

See Also


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