MariaDB 10 Docker Image (Centos7)
Note: be aware that, by default in this container, MariaDB is configured to use 1GB memory (innodb_buffer_pool_size in tuning.cnf). If you try to run it on node with less memory, it will fail.
Note: please use tags on Docker Hub for different versions.
docker pull million12/mariadb
Or, if you prefer to build it on your own:
docker build -t million12/mariadb .
Run the image as daemon and bind it to port 3306:
docker run -d -p 3306:3306 million12/mariadb
Run the image as daemon and specify MariaDB version 10.2:
docker run -d million12/mariadb:10.2
The first time that you run your container, a new user admin with all privileges will be created in MariaDB with a random password. To get the password, check the logs of the container by running:
docker logs <CONTAINER_ID>
You will see an output like the following:
======================================================================== You can now connect to this MariaDB Server using: mysql -uadmin -pCoFlnc3ZBS58 -h<host> Please remember to change the above password as soon as possible! MariaDB user 'root' has no password but only allows local connections ========================================================================
In this case,
CoFlnc3ZBS58 is the password assigned to the
Custom Password for user admin
If you want to use a preset password instead of a random generated one, you can set the environment variable MARIADB_PASS to your specific password when running the container:
docker run -d -p 3306:3306 -e MARIADB_PASS="mypass" million12/mariadb
Mounting the database file volume from other containers
One way to persist the database data is to store database files in another container. To do so, first create a container that holds database files:
docker run -d -v /var/lib/mysql --name db-data busybox:latest
This will create a new container and use its folder
/var/lib/mysql to store MariaDB database files. You can specify any name of the container by using
--name option, which will be used in next step.
After this you can start your MariaDB image using volumes in the container created above (put the name of container in
docker run -d --volumes-from db-data -p 3306:3306 million12/mariadb
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