![]() ![]() The advantages of this method are that it’s straightforward to use and easy to access. So if you stop and start the database, you can mount the same directory, and your configuration and stored data will be available. Every file you change on the host is changed in the container, and every file that is changed in the container is changed on the host. rw-r- 1 sebarthel staff 913 Mar 26 22:47 binlog.000001īinding a directory is a 2-way sync. ![]() rw-r- 1 sebarthel staff 56 Mar 26 22:47 auto.cnf ĭrwxr-xr-x 3 sebarthel staff 96 Mar 26 22:47. $ docker run -name mysql-db -v $(pwd)/datadir:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=my-secret-pw -d mysql:8.0.28-debian For example, you can start a MySQL database and mount the data directory to store the actual data in your mounted directory. v or -volume allows you to mount local directories and files to your container. Using the parameter -v allows you to bind a local directory. How to Mount Local Directories using docker run -v The docker run command first creates a writeable container layer over the specified image and then starts using the specified command. Knowing both enables you to use Docker containers for many more use cases that can boost your productivity. This tutorial will teach you how to bind local directories to your Docker container and use docker-managed volumes alternatively. ![]() But Docker provides volumes and bind mounts, which are two mechanisms for persisting data in your Docker container. This means that restarting a container erases all your stored data in the container. They let you test-run your applications in local environments and start building out the required infrastructure.ĭocker containers are immutable by nature. Containers make software engineering easier and more efficient, and Docker containers are popular and easy to use.Ĭontainers are essential for local development. ![]()
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