How To Install and Use Docker on Ubuntu 20.04 Step 6 — Managing Docker Containers

To start a stopped container, use docker start, followed by the container ID or the container’s name. Let’s start the Ubuntu-based container with the ID of 1c08a7a0d0e4:

docker start 1c08a7a0d0e4

The container will start, and you can use docker ps to see its status:

OutputCONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
1c08a7a0d0e4        ubuntu              "/bin/bash"         3 minutes ago       Up 5 seconds                            quizzical_mcnulty

How To Install and Use Docker on Ubuntu 20.04 Step 6 — Managing Docker Containers

To stop a running container, use docker stop, followed by the container ID or name. This time, we’ll use the name that Docker assigned the container, which is quizzical_mcnulty:

docker stop quizzical_mcnulty

How To Install and Use Docker on Ubuntu 20.04 Step 6 — Managing Docker Containers

Once you’ve decided you no longer need a container anymore, remove it with the docker rm command, again using either the container ID or the name. Use the docker ps -a command to find the container ID or name for the container associated with the hello-world image and remove it.

docker rm youthful_curie

How To Install and Set Up Laravel with Docker Compose on Ubuntu 20.04 Step 6 — Running the Application with Docker Compose

Your environment is now up and running, but we still need to execute a couple commands to finish setting up the application. You can use the docker-compose exec command to execute commands in the service containers, such as an ls -l to show detailed information about files in the application directory:

docker-compose exec app ls -l

How To Install and Set Up Laravel with Docker Compose on Ubuntu 20.04 Step 6 — Running the Application with Docker Compose

If you want to pause your Docker Compose environment while keeping the state of all its services, run:

docker-compose pause

How To Install and Set Up Laravel with Docker Compose on Ubuntu 20.04 Step 6 — Running the Application with Docker Compose

To shut down your Docker Compose environment and remove all of its containers, networks, and volumes, run:

docker-compose down

How To Install and Use Docker on Ubuntu 20.04 Step 6 — Managing Docker Containers

After using Docker for a while, you’ll have many active (running) and inactive containers on your computer. To view the active ones, use:

docker ps

How To Install and Use Docker on Ubuntu 20.04 Step 6 — Managing Docker Containers

To view all containers — active and inactive, run docker ps with the -a switch:

docker ps -a

How To Install and Use Docker on Ubuntu 20.04 Step 6 — Managing Docker Containers

You’ll see output similar to this:

1c08a7a0d0e4        ubuntu              "/bin/bash"         2 minutes ago       Exited (0) 8 seconds ago                       quizzical_mcnulty
a707221a5f6c        hello-world         "/hello"            6 minutes ago       Exited (0) 6 minutes ago                       youthful_curie

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