Docker exec it bash example

Docker exec it bash example. If it isn't, it will try to pull it from Docker Hub. 3) Thanks to WiR3D user who suggested another way to get container’s shell. bashrcを読みこませる LaptrinhX from laptrinhx. docker exec <container_name> ls /app. running command: "docker exec -it 5b02ab015730 bash -c "echo Hello, world"" Hello, world Dec 24, 2015 · I need to know in my shell script the output of some docker exec commands, for example I have an nginx container and in my script I run: from a process triggered Oct 5, 2015 · You can run the interactive mongo shell by running the following command: docker run -it -p 28000:27017 --name mongoContainer mongo:latest mongosh Otherwise, if your container is already running, you can use the exec command: docker exec -it mongoContainer mongosh The info in this answer is helpful, thank you. 0s #2 May 7, 2018 · Finally, a usage example: bash /tmp/dockerize. Jan 29, 2017 · For example, docker run --name mongodb -d mongo docker exec -it mongodb bash apt-get update apt-get install nano nano somefile It does this by letting you create and work with slim images or containers that are often difficult to debug because all tools have been removed. When you run this command, the following happens: Docker runs "/bin/bash" (a command interpreter, also called a shell) inside the "mynginx" container. 8+ on Linux. And then, if you want to enter the container (to run commands inside the container interactively), you can use the docker exec command: docker exec -it container_ID_or_name /bin/bash. With this subcommand, you can run arbitrary commands in your services. 1 0. Run an Interactive Bash Shell. Jan 19, 2017 · docker run -d ubuntu bash Container will immediately exit. 2. Jun 25, 2023 · Understanding the Docker exec Command. How to use the command 'docker exec' (with examples) Linux , Macos , Windows , Android , Docker. docker exec Requires an Executable I'm trying to connect to a running container or start a new container in interactive mode with the bash shell -- not the sh shell. 1. For example, if I want to open a bash terminal in the container and create a file I would expect to run something like: docker exec -it <container> /bin/bash -c "touch foo. It will create a new process for bash. So i want every time i invoke &quot;exec&quot; to mount a different host-path. Connect to the client as a root user: $ mysql -u root -p Enter password: mysql> We are using the -u tag to specify the username (root) and adding the -p tag to enter the password when prompted. It is recommended to run this tutorial on a cluster with at least two nodes that are not acting as control plane hosts. The docker exec command can execute a command within a running Docker container or initiate a shell session to access the container’s environment. yml> exec postgres bash For example if you want to run the command with a docker-compose file called local. 04 Ubuntu, we’ll see that it doesn’t stay alive: $ docker run ubuntu:18. sh | tee the_beginning_output. io/docker:tag source entrypoint. You can manually pull images with the docker pull command: docker pull httpd:latest. Essentially, the exec command allows you to run commands within an already deployed container. Output "0", because the new shell is started as "root". This is useful for executing tasks within the container, such as running a shell or executing a script. Syntax: docker exec [OPTIONS] CONTAINER COMMAND [ARG…] Example: docker exec -it <container_id> bash. Jun 16, 2023 · To run a command in non-interactive mode inside the Nginx container, we will use the docker exec command as follows: docker exec 14728081e141 nginx -v The preceding command uses docker exec to run the nginx -v command inside container 14728081e141. You switched accounts on another tab or window. com Sep 2, 2015 · I start this image when the machine boots with docker start image-name. How do I execute an additional command within the container after it For example, an image containing the Apache web server would use EXPOSE 80, while an image containing MongoDB would use EXPOSE 27017 and so on. But if I start a new command in this container, it starts a new shell, and does not execute the Entrypoint, so : docker exec CONTAINER_ID id -u. You can access the container's Linux shell environment by running the /bin/bash command in the container. In this article, we will discuss how to use the docker exec command to execute a Dec 27, 2023 · docker exec -u root my_container command docker exec -u 0 my_container command . The --gpus flag allows you to access NVIDIA GPU resources. Use the --env (or the -e shorthand) to override global environment variables, or to set additional environment variables for the process started by docker exec. 5 days ago · The default registry is Docker Hub. This is the equivalent of docker exec targeting a Compose service. What I need is keeping the container run, and I can use exec to login into this container. You must identify the container by ID or name, then specify the command to invoke: $ docker exec <container-id-or-name> <command>. The command runs in the background, and the exec session is automatically removed when it completes. Run a Command in a Container. log. If you run this image with docker run -it --rm -p 80:80 --name test apache, you can then examine the container's processes with docker exec, or docker top, and then ask the script to stop Apache: $ docker exec -it test ps aux USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 1 0. Let’s now break down the command: Firstly, docker run is a Docker command that is used to create a Docker container and has the following syntax: docker run [OPTIONS] IMAGE[:tags] [COMMAND] In our case, we’ve instructed Docker to create a container based on image alpine and run the command /bin/sh with the Aug 19, 2020 · Second, you need to specify an entrypoint or command that doesn't finish. podman exec executes a command in a running container. Next, it attaches your input/output to this Bash shell. Reload to refresh your session. That means now you will have bash session inside the container, so you can ls, mkdir, or do any bash command inside the container. Checking logs: docker exec my-app cat /var/log/app. Let’s look at a quick example for clarity. The container to run exec can either be specified by the container ID or the more friendly name that is generated or specified when the container is created. Oct 1, 2021 · Docker exec is a command that allows the execution of any given command within a Docker container. . x) CU 14 and SQL Server 2019 (15. Feb 19, 2024 · Example: docker restart my_container 45. Installing a package in a running container: docker exec my-ubuntu apt install vim. December 25, 2023. docker exec -u <username> <container_name> whoami How to start and run docker exec -it my_container /bin/bash. 3cqcd1v22vaon517j7p5h1d9a. Example: docker exec -ti my_container "echo a && echo b" will not work, but. docker exec <container> <command> Description: Run a command inside a running container. Dec 6, 2023 · While ‘docker run bash’ is a powerful command, it’s not the only way to interact with Docker containers. Additionally, appending attributes to the command's basic syntax allows the user to customize container storage, networking, performance, and other settings. yaml file. 0 tail -F /dev/null docker exec -ti mymmdet bash For example, running docker run -d will set the value to true, so your container will run in "detached" mode, docker exec, docker run or docker start command. The exec command allows you to do this in two different ways…from inside or outside the container. Aug 29, 2024 · Run a command with Azure CLI. I want to run: docker exec -it <container_name> /bin/bash or. Or to enter a running container, use exec instead: docker exec -it <container-name-or-id> bash docker exec is a Docker CLI feature that runs a command inside a running container. 17. To confirm that the container is running on the terminal – and not on the background – scroll down and see that it is still “hugging” the terminal. kubectl exec -it -n NAMESPACE pod-name -- /bin/sh. It launches an additional process that’s independent of the main process running in the container. Execute a command in a running container with az container exec in the Azure CLI: az container exec --resource-group <group-name> --name <container-group-name> --exec-command "<command>" For example, to launch a Bash shell in an Nginx container: Jan 4, 2023 · docker exec abcd12345 ls -l Running Command in Docker Container without Login. txt Apr 4, 2020 · You can now drop into your Docker image and start interactively running commands! docker run -it my-image bash # you can also run # docker run -it my-image:latest bash. If you do not already have a cluster, you can create Feb 27, 2024 · When you execute the command, Docker run pulls the mysql image from the Docker hub. Feb 29, 2016 · eval is a shell builtin, whereas docker exec requires an external utility to be called, so using eval is not an option. alias d_enter="docker exec -ti ub1404-dev /bin/bash" So to enter the image I just type d_enter Oct 28, 2023 · You can run a command inside a container with the docker exec command followed by the container ID or name and the command you want to run. yml exec postgres bash Then, use psql command and specify the database name with the -d flag and the username with the -U flag Nov 3, 2023 · For example, to run bash as the root user in a custom home directory: docker exec -it -u root -w /root focused_torvalds bash Real-World Examples of Using Bash in Containers. sudo docker exec -ti <container_name> /bin/bash. Most likely you found this syntax from a docker run command where the entrypoint was set to /bin/sh . For example, to run a bash shell in a container with the ID So far so good but I don't managed to include this in the Dockerfile or as parameters to docker run: I tried many things: For example: docker run -it --entrypoint="/bin/bash" gcr. Run your container using the docker run command and specify the name of the image you just created: Jun 6, 2020 · In this example, we provided a command (/bin/bash) as an argument to the docker run command that was executed instead of the one specified in the Dockerfile. Note: You still need to explicitly add initially present devices to the docker run / docker create command. d inside the container. In this tutorial, you will learn how to use the docker run command with practical examples. Now, let's take an example if we want to list the content of the current working directory in the container, so we will use the " ls " switch with docker exec . Oct 29, 2015 · docker exec somecontainer bash -c "command here" is the trick you've learnt from @Solx our "command here" is "$(typeset -f find_user_without_subfolder); find_user_without_subfolder" " double-quote mandatory for shell expansion (on host side before to be sent to the container) Oct 4, 2018 · docker exec -it CONTAINER COMMAND. Then, it starts the container. If I exit the original container, the shell that ran the docker exec command is hung, and the only way I can find to exit back to its shell is to kill the docker exec command from another terminal. i didn't find any of these solutions to be effective for my use case: needing to store the returned data from the SQL to a bash variable. g. sh 5b02ab015730 world Gives. A docker run command takes the following Jun 10, 2024 · Examples of Docker Exec Command. This command retrieves the Nginx version from the container and displays it in your terminal. You'll notice that Docker Compose created the volume as well as a network. Run a Command as a Different User. Oct 30, 2015 · It was originally a ksh93 feature but it is now available in bash, zsh, mksh, FreeBSD sh and in busybox's ash (but only when it is compiled with ENABLE_ASH_BASH_COMPAT). Now that you have an image, you can run the application in a container using the docker run command. docker run --rm -it --entrypoint bash <image-name-or-id> Or to prevent the above container from being disposed, run it without --rm. For example, tcp://192. For example, to get an interactive root shell: docker exec -u 0 -it my_container bash. It is possible to connect to the MySQL server outside the container 4 days ago · 9. From my linux command prompt it is pretty easy and works when I do this. 3. Description. 2# You can then run Linux commands inside the container. State. 0 4448 692 ? Aug 3, 2014 · Assuming that the script has not yet been transferred from the Docker host to the docker image by an ADD Dockerfile command, we can map the volumes and run the script from there: sudo docker run -it -v <host-location-of-your-script>:/scripts <image-name> bash -c "/scripts/<your-script-name>; bash" Example: assuming that the python script in the Mar 18, 2024 · $ docker run -it alpine /bin/sh. To connect to a remote host, provide the TCP connection string. txt` #2a Pipe by piping: echo "echo This is how we pipe to docker exec" | sudo docker exec --interactive CONTAINER_NAME /bin/bash - Jan 21, 2018 · docker run -it ubuntu:xenial /bin/bash starts the container in the interactive mode (hence -it flag) that allows you to interact with /bin/bash of the container. 23:2376. Dec 19, 2023 · If the user provides the path to a shell instead of a specific command, docker exec enables shell access to the container. Provides the aliases of the command. x) CU 28, the container images include the new mssql-tools18 package. The most popular usage of the “docker exec” command is to launch a Bash terminal within a container. Instead, invoke a shell executable in the container (bash) explicitly, and pass it the command to execute as a string, via its -c option: podman exec [options] container [command [arg]] podman container exec [options] container [command [arg]] Description. In fact, I need do these things in a bash script: docker run -it ubuntu bash docker run -it centos bash But it does not work. In this container, id -u outputs "1000". If TLS is used to encrypt the connection, the module will automatically replace tcp in the connection URL with https. In this comprehensive guide, we‘ll cover everything To access the container via Bash, we can run this command: docker exec -it mariadbtest bash Now we can use normal Linux commands like cd, ls, etc. The following are the examples of docker exec command: 1. bash_aliases. 2. docker kill <container_name>: kill a container process; docker container rm <container_name>: remove a container from storage; docker rmi <image_name>: remove an image; Build Oct 21, 2020 · In our example, we will use Python 3 Then use Docker exec command, to attach additional bash to your container and run Python script from there. Now that you understand the basics, let‘s look at some real-world examples that demonstrate useful scenarios for executing bash commands in Docker containers. docker-compose -f local. s…" Jan 19, 2024 · Then, we use the source command to execute the script. We will have root privileges. 1 Linux. As RUN uses /bin/sh as shell by default you are required to switch to something like bash first by using the SHELL instruction. 2 hours ago Up 2 hours (healthy) 80/tcp, 443/tcp gospot_web_web. This means it will interpret the arguments passed to it as commands to be run inside the container. docker exec. -it: These flags are used to allocate an interactive pseudo-TTY and keep STDIN open even if not attached Jun 14, 2023 · Docker Exec It Bash: An Introduction To Command-Line Execution June 14, 2023 by admin docker exec it /bin/sh でUbuntuコンテナのBashを起動して. log in to the running container through an interactive shell; Remove. Starting with SQL Server 2022 (16. docker exec -it < container-id > bash. 10 You signed in with another tab or window. Here’s an example where I create a new container with Ubuntu as the base image and then I enter the running Ubuntu container and run the ls command: Sep 23, 2023 · Beyond pulling images and deploying basic containers, one of the first things you’ll want to understand is the exec command. So if we want open new terminal with new instance of container’s shell, we # These examples assume you have a container currently running. The docker exec command runs a command inside a running container. Before you begin You need to have a Kubernetes cluster, and the kubectl command-line tool must be configured to communicate with your cluster. For example, with Docker Engine, you could run the following command: docker exec -i -t <container_name> /bin/bash Mar 19, 2024 · If we try to start a new operating system container, for example, an 18. at the end of the docker build command tells Docker that it should look for the Dockerfile in the current directory. The ‘docker exec’ command is used to execute a command on an already running Docker container. docker-exec linux command man page: Execute a command on an already running Docker container. Jul 24, 2020 · In addition to the docker top command you can also use the docker stats command. You can also run a shell in a Docker container by specifying the shell executable as the command. My current method ( May 2, 2017 · If I start a container : docker run -it myImage bash. It allows developers to quickly and easily create, deploy, and manage applications in a secure and isolated environment. Find your container's ID: docker ps Export the ID of the process that runs the container: PID=$(docker inspect --format '{{. General form. docker exec -it <container_name> /bin/bash. Commands allocate a TTY by default, so you can use a command such as docker compose exec web sh to get an interactive prompt. Exiting out from the container will not stop the container. it depended on the type of shell command used in your pod. Use bash script. Jan 31, 2019 · COMMAND should be an executable, a chained or a quoted command will not work. $ sudo docker attach cc55da85b915 #by ID Or you can use docker exec command: $ sudo docker exec -i -t cc55da85b915 /bin/bash If /bin/bash fails, you can use /bin/sh that works in more containers: $ sudo docker exec -i -t cc55da85b915 /bin/sh Jul 6, 2017 · For example once I create a container with name of "duplo": docker run --name="duplo" -it /bin/bash -c "sudo /build/backup. This will run command as root, allowing you to perform privileged actions. You signed out in another tab or window. Case 2: There is more than one container in the Pod, the additional -c could be used to figure out this container. docker exec -it 90cdc54358fa bash As in the earlier example, the -it allows an interactive session. this is currently not possible. Docker Exec Bash / Docker Exec -it. Explains the options you can provide when you run the command. The ‘docker exec’ Command. 04 $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 08c26636709f ubuntu:18. 0s done #1 DONE 0. For example, while typical debug approaches like docker exec -it my-app bash may not work on a slim container, docker debug will work. docker run -it <container_name> <image_name> or. By default, Docker Compose automatically creates a network specifically for the application stack (which is why you didn't define one in the Compose file). Conclusion # Docker is the standard for packaging and deploying applications and an essential component of CI/CD, automation, and DevOps. For example, docker exec ls will list the files and directories inside the specified container. It can be used with the Docker Engine 1. What I've Jul 11, 2024 · The docker run command lets you create and execute OCI-compatible containers using container images. Let’s look at an example of a background task. Jul 9, 2018 · kubectl exec -it -n NAMESPACE pod-name -- /bin/bash. sh". Example: docker exec my_container ls -l /app 46. 1? I really need a console in the container and I already despaired of running it Mar 2, 2021 · I use a docker container, where i dynamically want to mount a volume. Pid}}' my_container_id) "Connect" to it by changing namespaces: Sep 27, 2019 · docker exec: run a command in a running container e. Options--detach, -d. docker run -d --name mymmdet ld_mmdet:2. My home directory was bind mounted with --volumes when initially created. If you want to publish an image, create a Docker Hub account. docker run -it --user nobody busybox For docker attach or docker exec: Since the command is used to attach/execute into the existing process, therefore it uses the current user there directly. Mar 2, 2016 · For docker run: Simply add the option --user <user> to change to another user when you start the docker container. Advantages: Aug 19, 2017 · You may your sql files inside /docker-entrypoint-initdb. docker exec -it d886e775dfad mongo --eval 'rs. com The docker exec command inherits the environment variables that are set at the time the container is created. yml, here the command will be . My script file looks like: #!bin/bash docker run -t -i -p 5902:5902 --name "mycontainer" --privileged myImage:new /bin/bash May 17, 2015 · $ sudo docker attach 665b4a1e17b6 #by ID or $ sudo docker attach loving_heisenberg #by Name $ root@665b4a1e17b6:/# UPDATE: (docker >= 1. docker attach Aug 28, 2024 · The PubSub+ event broker application runs inside of a container. It provides a way to interact with the container’s environment and execute commands as if you were inside the container itself. Jan 6, 2020 · I am trying to create a shell script for setting up a docker container. or. As you can see, both commands have very different and complementary use cases. Nov 3, 2023 · You have many different ways to do that, you can attach using docker's attach command. When you run a command that references an image, Docker first checks whether it's available locally. # 1 Pipe from a file: sudo docker exec --interactive CONTAINER_NAME /bin/bash < the_beginning. Actually you can access a running container too. To enter the image I have an alias defined in . To have shell access to your MySQL Server container, use the docker exec -it command to start a bash shell inside the container: $> docker exec -it mysql1 bash bash-4. i ended up with the following syntax when making the call from inside a bash script running on the host computer (outside the docker mysql server), basically use 'echo' to forward the SQL statement to stdin on the docker exec command. Running a Shell in a Container. See full list on devconnected. When you execute docker run, the container process that runs is isolated in that it has its own file system, its own networking, and its own isolated process tree separate from the host. docker exec -d australtech_container touch /etc/new_file Jun 8, 2020 · Use the docker exec to execute a command in already running Docker container: $ docker exec -it <container> <command> – example – $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES df51f67134f2 nginx:latest "/docker-e" 5 mins ago Up 5 min 80/tcp nginx $ docker exec -it 067f66a99dff nginx -v nginx version: nginx/1. Open the bash terminal of test-mysql: $ docker exec -it test-mysql bash. txt" However, this doesn't work Sep 7, 2016 · The problem is that docker exec -it XXX bash command does not work with swarm Example of using:. We can even install our favorite file editor, for example: apt-get update apt-get install vim Feb 3, 2017 · Everything after the container id is the command to run, so in the first example -c isn't an option to exec, but a command docker tries to run and fails since that command doesn't exist. Access an NVIDIA GPU. docker run -it --name ubuntu ubuntu bash Docker Exec Examples. wrel676fcllssrm3151ymkse9 $ docker exec -it b3824a85d3c8 sh / # ls bin etc lib mnt root sbin sys usr dev home media proc run srv tmp var / # $ docker exec -it gospot_web_web. I recommend you execute tail -F /dev/null and then access docker with your bash or sh. With the rise of Docker for containerizing applications, developers need ways to execute shell scripts within containers. May 11, 2015 · If you're specifically using docker compose, there is a convenience docker compose exec command that works very much like the docker exec command, except: It defaults to the behavior of -i and -t It allows you to refer to containers by their service name in your compose. kubectl exec -it -n NAMESPACE pod-name -c container-name -- /bin Jun 21, 2015 · Whereas in docker exec command you can specify which shell you want to enter into. sh and clearly show that the source command works. sh /bin/bash: source: No such file or directory But the script exist and can be executed: Sep 24, 2014 · docker exec -t -i container_name /bin/bash Original answer. Basically, you can Mar 26, 2024 · To execute a shell in a running container, you can use the following command: docker exec -it <container_id> /bin/sh. 0. Aug 18, 2023 · As you know that we can use the docker exec command, followed by the container ID or container name and the command we want to execute within that docker container. You can find the container id and name using `docker ps` command. Or to view root-only files: docker exec -u root my_container ls /root The . If I attach to an already running container using docker container attach --sig-proxy=false mycontainer CTRL-C will detach without stopping the container. It will not take you to PID 1 of the container. If we use attach we can use only one instance of shell. Two other commands, ‘docker exec’ and ‘docker attach’, offer alternative methods of interaction. To start a Bash shell in a Docker container, execute the “docker exec” command with the “-it” option and specify the container ID as well as the path to the bash shell. Further below is another answer which works in docker v23. You can also use nsenter to enter inside containers. docker-compose up -d # Give some time for mysql to get up sleep 20 docker-compose exec mysql mysql -uroot -proot test <dummy1. Nov 3, 2021 · $ docker exec-it <コンテナ名 または コンテナID> /bin/bash # 今回はbashを使用しているが別のシェルでも可 docker exec自体は起動しているコンテナ内で、任意のコマンドを実行するためのコマンド。 May 8, 2016 · docker-compose -f < specific docker-compose. Apr 27, 2017 · I am trying to execute a command inside my mongodb docker container. wrel676fcllssrm3151ymkse9 sh / # ls bin dev etc home lib Mar 7, 2021 · $ docker exec -it <container> /bin/bash However, I want to execute a command in the container automatically. sql Use another docker service to initialize the DB 4 days ago · Console Output #0 building with "desktop-linux" instance using docker driver #1 [internal] load build definition from Dockerfile #1 transferring dockerfile: 129B 0. If you're not sure if a command exited properly or not, run $?: Mar 21, 2023 · To access the container's shell using "docker exec", run the following command: docker exec -it mynginx /bin/bash. The docker exec command provides a straightforward method for running scripts inside Docker containers. 4. sh app_postgres pg_dump -Z 9 -F p -U postgres app Then, a user could ask udev to execute a script that would docker exec my-container mknod newDevX c 42 <minor> the required device when it is added. docker run -it <container_name> <image_name> /bin/bash and get an interactive bash shell. Start an app container. Start the exec session, but do not attach to it. Look at the logs using the docker compose logs -f command. Aug 20, 2024 · This image consists of SQL Server running on Linux based on Ubuntu. All /bin/bash, /bin/sh command finishes unless you add args such as sleep infinity or similar. For external access, your users can execute docker run with a flag indicating how to map the specified port to the port of their Oct 1, 2015 · After discussion with some very helpful developers on the ansible github project, a better way to do this is like so: - name: add container to inventory add_host: name: [container-name] ansible_connection: docker changed_when: false - name: run command in container delegate_to: [container-name] raw: bash. Jul 18, 2020 · How do I gracefully exit a docker container that I've connected to using docker exec -ti, after the docker I connected to exits?. You'll see the logs from each of the services Shell scripts are ubiquitous in Linux environments for automating administrative tasks, workflows, and processes. 04 "/bin/bash" 10 seconds ago Exited (0) 7 seconds ago heuristic_dubinsky b7a9f5eb6b85 rabbitmq:3 "docker-entrypoint. The basic syntax for using docker exec to run a command inside a container is: docker exec [container-name] [command] For example, to see the contents of the /usr directory within the ssh-test container, type: Aug 29, 2024 · The URL or Unix socket path used to connect to the Docker API. The reason why this distinction between Bash built-in and an executable is important in the context of the docker exec command. From here, one by one, you can start debugging your RUN commands to see what went wrong. Running Redis CLI in a container: docker exec -it redis redis-cli. This page details how to use the docker run command to run containers. isMaster()' The above tells me to go to a container and execute the command Aug 25, 2023 · Docker is a powerful tool for creating and managing containers. Let’s break down the command: docker exec: This is the Docker command used to execute a command in a running container. /swarm-exec. The host may be local or remote. The ‘docker exec’ command allows you to run a command in a running Docker container. Feb 11, 2024 · In essence, when you want to run (execute, thus the “exe”) command on a running Docker container, you use the “docker exec” command. 在运行中的 my_container 容器内启动一个交互式的 Bash shell。-i 保持标准输入打开，-t 分配一个伪终端。 在后台运行命令： docker exec -d my_container touch /app/newfile. Sep 19, 2023 · This page shows how to use kubectl exec to get a shell to a running container. Apr 5, 2018 · How to run /bin/bash in a docker container that was started with the -d option, for example: sudo docker run -P --name test-cnt3 -d base-tst:0. docker exec -it my_app bash. One of the most useful features of Docker is the ability to execute commands inside a container using the docker exec command. etbi iwhau jri rbwsslw ihlelu inxf pucvj hxwvmq vuresj cvgxhq