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Docker for Web Developers

Docker Commands

Explore essential Docker commands to manage MySQL containers including viewing, stopping, restarting, and removing containers. Understand how to create custom Docker networks for reliable container communication. Learn to perform database backups with docker exec, gaining practical skills to efficiently handle MySQL in Docker environments.

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View, stop, and restart containers

Containers running in interactive mode (started with the -it switch) can normally be stopped by pressing Ctrl|Cmd + C.

📌 However, applications will not always shut down gracefully or signal they have terminated. If an interactive container fails to stop, you’ll need to execute the stop command described below.

A list of running containers can be viewed by entering:

docker container ls

or the shorter:

docker ps

Practice

Let’s try running the commands:

  1. Click to connect to the terminal and then open another terminal, too.

  2. List the running containers.

📌 Keep the tab open. We will be running more commands in it.

Terminal 1
Terminal
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A list of active containers is displayed. This can be quite wide. A truncated version is shown here:

CONTAINER ID  IMAGE    STATUS      PORTS           NAMES
ef3bab04fc8f  adminer  Up 16 mins  8080->8080/tcp  adminer
793003e459e6  mysql    Up 17 mins  3306->3306/tcp  mysql

Each container is assigned a hexadecimal ID that can be used as a reference in Docker commands. However, specifying a container ...