Using Docker to Create a MySQL Server
In this post, we take a look at how you can leverage Docker to create a MySQL server to help you with your development process. Read on for the details!
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When working on test code on my computer, I usually use the built-in PHP server (
php -S), which works nicely. Every so often, I need access to MySQL and I use Docker to temporarily create a MySQL server for me. This is how I do it.
The magic command is:
$ docker run --name mysql \ -e MYSQL_USER=rob -e MYSQL_PASSWORD=123456 -e MYSQL_DATABASE=bookshelf \ -p 3306:3306 -d mysql/mysql-server:5.7
This creates a Docker container called
mysql on port 3306. We pass three environment variables:
MYSQL_DATABASE, which are our credentials and the database name.
Client Access to the Database
If you have the MySQL command line client installed, you can access your database like this:
$ mysql --protocol=TCP -u rob -p123456
We need to use TCP protocol as there's no socket in play here. If, like me, you're too lazy to type
--protocol=TCP each time, then set it in your
~/.my.cnf file like this:
One of the easier ways to get a MySQL command line client on a Mac is to install MySQL WorkBench and add
/Applications/MySQLWorkbench.app/Contents/MacOS to the path, as Homebrew seems to want to install the server, too.
Controlling the Container
Stop the container using
docker stop mysql and restart it again with
docker start mysql. When you're finished with it, you can delete it with
docker rm mysql.
Restoring a Dump File
As these MySQL instances are temporary for me, I install a database schema using:
cat seed-mysql.sql | mysql --protocol=TCP -u rob -p123456 rob bookshelf
(Obviously, you'd use same credentials as you ran your container with!)
That's all there is to having a temporary MySQL install running locally for development.
Published at DZone with permission of Rob Allen, DZone MVB. See the original article here.
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