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Last pushed: 2 years ago
Short Description
MySQL server built on CentOS 6.6 with OS X permission errors fix
Full Description

#osx-docker-mysql, a.k.a jlalande/centos6-mysql

Out-of-the-box MySQL Docker image that *just works* on Mac OS X.
Including write support for mounted volumes (MySQL).
No matter if using the official boot2docker or having Vagrant in the stack, as well.

This project known as
in the Docker Hub, is a customized version of dgraziotin/mysql

Some info about this container:

  • It is based on centos/centos:6.6.
  • It fixes OS X related write permission errors for MySQL
  • It lets you mount OS X folders with write support as volumes for
    • The database
  • If CREATE_MYSQL_BASIC_USER_AND_DB="true", it creates a default database and user with permissions to that database
  • It is documented for less advanced users (like me)


If using Vagrant, please see the extra steps in the next subsection.

If you need to create a custom image youruser/mysql,
execute the following command from the osx-docker-mysql source folder:

docker build -t youruser/mysql .

If you wish, you can push your new image to the registry:

docker push youruser/mysql

Otherwise, you are free to use jlalande/centos6-mysql as it is provided. Remember first
to pull it from the Docker Hub:

docker pull jlalande/centos6-mysql

###Vagrant (untested)

If, for any reason, you would rather use Vagrant (I suggest using AntonioMeireles/boot2docker-vagrant-box), you need to add the following three variables when running your box:

-VAGRANT_OSX_MODE="true" for enabling Vagrant-compatibility
-DOCKER_USER_ID=$(id -u) for letting Vagrant use your host user ID for mounted folders
-DOCKER_USER_GID=$(id -g) for letting Vagrant use your host user GID for mounted folders

See the Environment variables section for more options.

###Running your MySQL docker image

If you start the image without supplying your code, e.g.,

docker run -t -i -p 3306:3306 --name db jlalande/centos6-mysql

At [boot2docker ip] you should be able to connect to MySQL.

###Loading your custom MySQL files

If you wish to mount a MySQL folder locally, so that MySQL files are saved on your
OS X machine, run the following instead:

docker run -i -t -p "3306:3306" -v ${PWD}/mysql:/mysql --name db jlalande/centos6-mysql

The MySQL database will thus become persistent at each subsequent run of your image.

##Environment description

###The /mysql folder

MySQL is configured to serve the files from the /var/lib/mysql folder. In osx-docker-mysql, the MySQL user mysql
has full write permissions to the mysql folder.


MySQL runs as user mysql and group mysql.

####The three MySQL users

The bundled MySQL server has two users, that are root and admin, and an optional
third user user.

The root account comes with an empty password, and it is for local connections
(e.g., using some code). The root user cannot remotely access the database
(and the container).

However, the first time that you run your container, a new user admin
with all root privileges will be created in MySQL with a random password.

To get the password, check the logs of the container by running:

docker logs [name or id, e.g., mywebsite]

You will see an output like the following:

You can now connect to this MySQL Server using:

    mysql -uadmin -p47nnf4FweaKu -h<host> -P<port>

Please remember to change the above password as soon as possible!
MySQL user 'root' has no password but only allows local connections

In this case, 47nnf4FweaKu is the password allocated to the admin user.

Finally, an optional a user called user with password password can be created for your convenience either when:

  • The environment variable CREATE_MYSQL_BASIC_USER_AND_DB is true; or
  • Any of the MYSQL_USER_* variable (explained below) is true
    The user is called user and has as password password.

The user user has full privileges on a database called db, which is also created
for your convenience. As with the admin user, the user user can access
the MySQL server from any host (%).
The user name, password, and database name can be changed using
the the MYSQL_USER_* variables, explained below.

##Environment variables

  • MYSQL_ADMIN_PASS="mypass" will use your given MySQL password for the admin
    user instead of the random one.
  • CREATE_MYSQL_BASIC_USER_AND_DB="true" will create the user user with db db and password password. Not needed if using one of the following three MYSQL_USER_* variables
  • MYSQL_USER_NAME="daniel" will use your given MySQL username instead of user
  • MYSQL_USER_DB="supercooldb" will use your given database name instead of db
  • MYSQL_USER_PASS="supersecretpassword" will use your given password instead of password
    -VAGRANT_OSX_MODE="true" for enabling Vagrant-compatibility
    -DOCKER_USER_ID=$(id -u) for letting Vagrant use your host user ID for mounted folders
    -DOCKER_USER_GID=$(id -g) for letting Vagrant use your host user GID for mounted folders

Set these variables using the -e flag when invoking the docker client.

docker run -i -t -p "3306:3306" -e MYSQL_ADMIN_PASS="mypass" --name yourdb jlalande/centos6-mysql

Please note that the MySQL variables will not work if an existing MySQL volume is supplied.

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