Docker exec bash

Docker exec bash. For example, to run a bash shell in a container with the ID Dec 11, 2023 · このプロンプトは、docker exec で実行したコンテナ内のbashが出力しているプロンプトになります。 よって、このプロンプトで実行するコマンドは、コンテナ内で実行することになります。 Jun 16, 2020 · Para obter o shell deste container basta utilizar a opção exec dentro de container. By default docker-compose exec allocates a TTY. 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 Jul 3, 2019 · The docker exec command will wait until it completes by default. To see my explanation, proceed beneath the screenshot. yml file. this is currently not possible. 2. Example #1. 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?. g. com docker run --rm -it --entrypoint bash <image-name-or-id> Or to prevent the above container from being disposed, run it without --rm. go:345: starting container process caused "chdir to cwd (\"/home/oracle\") set in config. Examples Attach to and detach from a running container. txt | bash Docker will use platform emulation if the specified platform is different from your native platform. execute docker commands from bash file. Sep 23, 2023 · For those who are just getting started on your journey with Docker containers, there is much to learn. Docker exec 命令 Docker 命令大全 docker exec 命令用于在运行中的容器内执行一个新的命令。这对于调试、运行附加的进程或在容器内部进行管理操作非常有用。 语法 docker exec [OPTIONS] CONTAINER COMMAND [ARG] 常用参数 -d, --detach: 在后台运行命令。 Lost? Don’t worry. docker exec executes a user-specified command inside a running container. sh This reads the local host script and runs it inside the container. おわりに; 1. yml> exec postgres bash For example if you want to run the command with a docker-compose file called local. Step 3: Access the container's shell. Instead, invoke a shell executable in the container (bash) explicitly, and pass it the command to execute as a string, via its -c option: Command line arguments to docker run <image> will be appended after all elements in an exec form ENTRYPOINT, and will override all elements specified using CMD. 目次. Follow answered Apr 5, 2018 at 7:21. Beyond pulling images and deploying basic containers, one of the first things you’ll want to understand is the exec command. 登录到容器中，会有默认的工作目录. Follow answered Oct 27, 2015 at 16:35. The container has already exited. For example: Using the DOCKER_DEFAULT_PLATFORM environment variable: DOCKER_DEFAULT_PLATFORM="linux/amd64" docker build -t test . 06 0. We can even install our favorite file editor, for example: apt-get update apt-get install vim Jun 16, 2015 · I successfully shelled to a Docker container using: docker exec -i -t 69f1711a205e bash Now I need to edit file and I don't have any editors inside: root@69f1711a205e:/# nano bash: nano: command Oct 2, 2014 · Pipe a command to docker exec bash stdin. Note: You still need to explicitly add initially present devices to the docker run / docker create command. For example, run the docker exec command inside the container with a custom environment variable: docker exec -e NEW_VAR='my_variable' nginx-container env. If I attach to an already running container using docker container attach --sig-proxy=false mycontainer CTRL-C will detach without stopping the container. Aug 1, 2017 · docker exec -it custom-container-name /bin/bash If the default user for the image is root (or unset) this should provide you a root shell within the container. Prerequisites. The command returns some useful information about the “docker exec” command, including its options. docker-swarm; Share. Here is the basic syntax: docker exec -it <container name or ID> bash 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. psql -h public-ip-server -p 5432 -U postgres I created a docker image from openjdk:8-jdk-alpine and I want to use bash, rather than sh as my shell, however when I try to execute simple commands I get the following errors: RUN bash /bin/sh: bash: not found RUN . Description. You can also run a shell in a Docker container by specifying the shell executable as the command. I can also get a bash instance (through docker exec -i -t container-name bash) in the container and run the script successfully (note that by default I have su privileges when I get the bash). Learn how to run a command in a running container with docker exec. Jan 29, 2015 · There are couple of ways to create a foreground process. I needed to execute a composite docker exec command against docker container over ssh. The following doesn't work. My current method ( Mar 19, 2024 · $ docker exec -it b7a9f5eb6b85 sh. Mar 18, 2024 · $ docker run -it alpine /bin/sh. This example also illustrates on how to find a container id that should be used in the docker exec command. Aug 10, 2023 · 「docker exec」コマンドの使い方について学びたいですか？&amp;#039;docker exec&amp;#039;は、作動中のDockerコンテナ内でコマンドを実行するための強力なツールです。当記事では、「docker exec」の使用法を具体的なコード付きで丁寧に解説しています。Dockerを使い始めたばかりの方、またはその使用法に Sep 24, 2014 · docker exec -t -i container_name /bin/bash Original answer. docker run -P mylocalimage bin/a3-write-back or I get: docker "env: can't execute 'bash': No such file or directory" Mar 2, 2021 · I use a docker container, where i dynamically want to mount a volume. Jan 4, 2023 · docker exec abcd12345 ls -l Running Command in Docker Container without Login. tgz files piped into tar) - its just using the '-i' to pipe into the container process std input. For details on using ECS Exec, as well as a video walkthrough, using the AWS Copilot CLI, see the Copilot GitHub documentation . You can use docker inspect to see the details of the image to see what the default command and user are: docker inspect image-name | less Oct 9, 2019 · First thing, you are not allocating tty in the docker run command and the docker container dies soon after converting files. Find your container's ID: docker ps Export the ID of the process that runs the container: PID=$(docker inspect --format '{{. Aug 19, 2020 · I recommend you execute tail -F /dev/null and then access docker with your bash or sh. 比如在 Dockerfile 中定义的 WORKDIR. Improve this answer. To access the container's shell using "docker exec", run the following command: docker exec -it mynginx /bin/bash Jun 10, 2024 · In containerization, the `docker exec` command stands out as a powerful tool for interacting with running Docker containers. If I exit the original container, the shell that ran the docker exec command is hung, and the only way I can find to exit back to its shell is to kill the docker exec command from another terminal. However, when I try to run one of my own images like this: docker run -P mylocalimage or. 0. – Oct 16, 2015 · Hi I am new to docker, and struggling for some time. Jun 30, 2013 · docker exec -i -t <Container ID> bash Share. docker container exec -it grafana_bernardo /bin/bash bash-5. py "$@" command. If you do not already have a cluster, you can create Sep 15, 2014 · docker exec -ti -u root container_name bash You can also connect using its ID, rather than its name, by finding it with: docker ps -l To save your changes so that Feb 3, 2017 · I would like to add my example here because it is a bit more complex then the ones thate were shown above. The docker exec command can execute a command within a running Docker container or initiate a shell session to access the container’s environment. 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. sudo docker exec -it --user root oracle18se /bin/bash I get. 0 tail -F /dev/null docker exec -ti mymmdet bash You can verify after docker run command if your docker is running with docker ps -a, and if it's up, then docker exec. I want to run: docker exec -it <container_name> /bin/bash or. You can do this with other things (like . To follow along with the examples in this article, you will need to adhere to the following. OCI runtime exec failed: exec failed: container_linux. The possible reasons for docker exec to return before the command it runs has completed, that I can think of, are: Sep 2, 2015 · alias d_enter="docker exec -ti ub1404-dev /bin/bash" So to enter the image I just type d_enter. Alright, enough background. 01 Mar 7, 2021 · $ docker exec -it <container> /bin/bash However, I want to execute a command in the container automatically. Brief details: debian wheezy 64 / Docker version 1. You should see the "mynginx" container in the list along with its details such as CONTAINER ID, IMAGE, COMMAND, etc. 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. $ docker exec -it -e VAR=1 ubuntu_bash bash. The ‘docker exec’ command is useful for running a command in a running container, and the ‘docker attach’ command is great for viewing the output of a running container or interacting with it. Essentially, the exec command allows you to run commands within an already deployed container. docker run -d ubuntu tail -f /dev/null docker exec -it 0ab99d8ab11c /bin/bash 可以看一下exec命令帮助文档描述，可以看到exec命令的使用方法是docker exec [OPTIONS] CONTAINER COMMAND [ARG] 顺便说下，按住CTRL+P+Q可以后台运行容器而不退出。 Oct 1, 2021 · Docker exec is a command that allows the execution of any given command within a Docker container. None of the documented methods of deriving the container_name from these commands work when passed to the docker exec -it command. Exiting out from the container will not stop the container. Oct 2, 2023 · You can also run the docker exec command with specific environment variables. With this subcommand, you can run arbitrary commands in your services. docker container exec -it 941e03aa64cd /bin/bash bash-5. json failed: permission denied": unknown If I do. /gradlew build env: can't execute 'bash': No such file or directory 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. Jan 6, 2016 · e. 04 bash then on another shell: echo 'touch myfile' | docker exec -i ub16 bash Then on first shell May 7, 2018 · I think I understand. See examples of docker exec options, such as -i, -t, -d, and --env. docker run -d --name mymmdet ld_mmdet:2. After creating a container in docker docker run -it -d --name my-container my-image I want to execute a command as specific user (according to docker exec) docker exec -it --user my-user my-cont Each of these examples show how to perform a given Docker operation using the Go and Python SDKs and the HTTP API using curl. See full list on devconnected. Using the --platform argument, either in the CLI or in your dockerfile: docker build --platform="linux/amd64" -t test . You will see your newly defined environment variable on the following screen: Feb 25, 2015 · docker exec -u 0 -it containerName bash or. sudo docker exec -it container bash But I want a command that executes a bash shell in the container and then executes more commands in the bash prompt. , during the image build in the Docker file. yaml file. Try passing in your redis-cli command to bash like this: docker exec -it redis /bin/bash -c "redis-cli FLUSHALL" The -c is used to tell bash to read a command from a string. State. The command started using docker exec will only run while the container's primary process (PID 1) is running Sep 19, 2023 · This page shows how to use kubectl exec to get a shell to a running container. 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 . The script runs successfully. Jun 8, 2016 · docker exec -it 05b3a3471f6f bash root@05b3a3471f6f:/# psql -U postgres postgres-# CREATE DATABASE mytest; postgres-# \q Go to your localhost (where you have some tool or the psql client). This will start a new bash process in an already running container. to run the alpine image and execute the UNIX command cat in the contained environment: echo "This was piped into docker" | docker run -i --log-driver=none -a stdin -a stdout -a stderr \ alpine cat - | xargs echo This is coming out of docker: emits: This is coming out of docker: This was piped into docker Dec 27, 2022 · I recommend using sh as opposed to bash because it is more readily available on most Unix based images (alpine, etc). Nov 3, 2023 · Accessing the Bash Shell in a Docker Container. 4 -v Apr 19, 2022 · The command after the docker run image name overrides the Dockerfile CMD, and if both an ENTRYPOINT and a CMD are present then the CMD gets passed as arguments to the ENTRYPOINT. Any recent version of the Docker Desktop will work on Windows, Linux, or macOS Jun 21, 2015 · Whereas in docker exec command you can specify which shell you want to enter into. sudo docker exec -it oracle18se /bin/bash Dec 3, 2015 · The downside of using docker exec is that it requires a running container, so docker inspect -f might be handy if you're unsure a container is running. bashrc && cd $(pwd)") # PS: If running Linux containers on Windows, the command shell must be running as admin # Attach to the default shell of a running container: sudo docker attach 665b4a1e17b6 # Access a shell and run custom commands inside a container # 665b4a1e17b6 is the ID of the container obtained from docker ps: sudo docker exec -i -t 665b4a1e17b6 /bin/bash Feb 11, 2024 · To see the syntax of the Docker Exec and all its arguments, run this command. You can also use nsenter to enter inside containers. You can work around this using docker run --entrypoint as described in @MarcosParreiras's answer but there's no benefit to using ENTRYPOINT here; just use CMD instead. It will not take you to PID 1 of the container. For example, if I want to open a bash terminal in the container and create a file I would expect to run something like: docker exec -it <container> /bin/bash -c "touch foo. 0$ Há a opção de utilizar a ID do container também, na saída do ls ou os, é a primeira coluna. A command like this currently works: sudo docker exec -it container touch test. I managed to achieve this in 2 steps: This is since the alpine image Dockerfiles now contain a CMD command, that specifies the shell to execute when the container starts: CMD ["/bin/sh"]. We will have root privileges. If the user provides the path to a shell instead of a specific command, docker exec enables shell access to the container. General form. Running a Shell in a Container. The reason why this distinction between Bash built-in and an executable is important in the context of the docker exec command. This allows arguments to be passed to the entry point, i. As RUN uses /bin/sh as shell by default you are required to switch to something like bash first by using the SHELL instruction. Here is an example docker-compose. そもそもdocker execとは docker exec コマンドは、既に実行中のDockerコンテナ内で新たなコマンドを実行するために使用されます。 Dec 19, 2023 · Method 2: Use docker exec Command. The --gpus flag allows you to access NVIDIA GPU resources. Feb 3, 2024 · docker execのオプションについてまとめてみた. sh that I run as I initialize the container through docker run command. オプション一覧; 3. See options, examples, and how to use docker debug for easier debugging. 0$ Jul 17, 2015 · I have a script run. Apr 4, 2020 · Learn how to use docker exec to run commands inside a Docker image or container, and how to debug Docker builds with docker run. docker exec -ti ub1404-dev /bin/bash <(echo ". Similarly, you Use the command docker exec -it <container name> /bin/bash to get a bash shell in the container; Generically, use docker exec -it <container name> <command> to execute whatever command you specify in the container. Let’s look at a quick example for clarity. docker exec -u root -it --workdir / <containerName> bash Make necessary file permissions, etc. docker run -it <container_name> <image_name> or. Pid}}' my_container_id) "Connect" to it by changing namespaces: May 8, 2016 · docker-compose -f < specific docker-compose. 1,860 2 2 gold You can run commands in a running Linux or Windows container using ECS Exec from the Amazon ECS API, AWS Command Line Interface (AWS CLI), AWS SDKs, or the AWS Copilot CLI. make bash run a command from inside a function while running a container. This can be achieved with the -i flag. Aug 23, 2015 · docker exec -it <container> bash Go into the mount folder and check you can see the pipe: cd /hostpipe && ls -l Now try running a command from within the container: Jan 31, 2019 · I'd like to know if there's a way to do this Let's say the dockerfile contains this line, that specifies path of an executable ENV CLI /usr/local/bin/myprogram I'd like to be able to call this p 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 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). The following example starts an Alpine container running top in detached mode, then attaches to the container; $ docker run -d --name topdemo alpine top -b $ docker attach topdemo Mem: 2395856K used, 5638884K free, 2328K shrd, 61904K buff, 1524264K cached CPU: 0% usr 0% sys 0% nic 99% idle 0% io 0% irq 0% sirq Load average: 0. 4 I can start the container as follows: docker run -p 10054 rspeer/conceptnet-web:5. CLI plugin options The property plugins contains settings specific to CLI plugins. よく使われるDockerコマンドをまとめております。 Dockerのインストール. In older Alpine image versions (pre-2017), the CMD command was not used, since Docker used to create an additional layer for CMD which caused the image size to increase. Sep 22, 2015 · Docker exec in bash script. docker exec -it [コンテナ名] /bin/bash 実行例 OCI runtime exec failed: exec failed: unable to start container process: exec: "/bin/bash": stat /bin/bash: no such file or directory: unknown Apr 15, 2017 · Here is a very simple Dockerfile with instructions as comments launch it to spin up a running container you can exec login to. The basic syntax for using docker exec to run a command inside a container is: docker exec [container-name] [command] Dec 17, 2019 · sudo docker exec -it -u 0 oracle18se /bin/bash or . Run a container. 3 がリリースされました。 このリリースで指定したコンテナの中でプロセスを実行するための docker exec コマンドが新たに追加されたので、もはや nsinit や nsenter を使う必要はなくなりました。 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. I can run images from Docker Hub. sh and clearly show that the source command works. The most common method is using the docker exec command. A docker run command takes the following Jan 19, 2024 · Then, we use the source command to execute the script. I’ll explain in detail what the above two commands do and what is the -it option in the docker run and exec command. So i want every time i invoke &quot;exec&quot; to mount a different host-path. Before you begin You need to have a Kubernetes cluster, and the kubectl command-line tool must be configured to communicate with your cluster. I am using a hub image unmodified: rspeer/conceptnet-web:5. Sep 28, 2017 · If you want to have type executed as a builtin shell command, this means you need to execute a shell /bin/bash or /bin/sh and then execute 'type type' on it, making it /bin/bash -c 'type type' After all, as @Henry said, docker exec is a the full command that will be executed and there is no place for CMD or ENTRYPOINT on it. Paul Paul. This first example shows how to run a container using the Docker API. At this point, we have an interactive shell inside the container: docker exec tells Docker that we want to execute a command into a running container; The -it argument means that it will be executed in an interactive mode – it keeps the STIN open; b7a9f5eb6b85 is the container ID; sh is the command we want Feb 21, 2017 · You can execute a bash shell in a docker container by using. I have labeled the different parts of the help file in the screenshot below. Let‘s dive into the main event – running bash commands inside containers. If all the packages are available in your Linux image, chpasswdin the dockerfile before the USER utility. docker exec Requires an Executable Mar 22, 2021 · This is where the docker exec command can help. 141k 27 27 gold badges 280 280 silver badges 268 The next docker exec command wouldn't find it running in order to attach itself to that container and execute any command: it is too late. Jan 21, 2018 · [ec2-user@ip-172-31-109-14 ~]$ echo test | sudo docker exec 69e937450dab cat Nothing will show, because there is no input stream going to the docker container. GameSalutes GameSalutes. It could be sh instead of bash too. yml, here the command will be . 15 0. , docker run <image> -d will pass the -d argument to the entry point. It provides a way to interact with the container’s environment and execute commands as if you were inside the container itself. Or to enter a running container, use exec instead: docker exec -it <container-name-or-id> bash Dec 6, 2023 · The ‘docker run bash’ command is great for starting a new container and interacting with it immediately. You can find the container id and name using `docker ps` command. Here is main process of container #!/bin/bash cd /home/docker exec pdf2pdfocr. They all fail with: 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. 1. The docker exec command runs a new command in a running container. 0 0. Must remove the -t for it to work: echo 'touch myfile' | docker exec -i CONTAINER_NAME bash This can be more convenient that using CLI options sometimes. docker exec --help. Mar 21, 2023 · docker ps. This page details how to use the docker run command to run containers. See examples of using bash, apt-get, conda, and other tools in a Docker shell. 0. It will create a new process for bash. そもそもdocker execとは; 2. 1 15568 2112 ? Apr 5, 2018 · docker exec -it test-cnt3 /bin/bash Share. Improve this question. To run a Linux command on a Docker container immediately, without entering, you can use the docker exec command like this: docker exec container_name_or_ID bash -c "<linux command>" Depending upon the type of shell available within the container, the command may differ on a case-by-case basis. Learn how to use docker exec to run commands inside a running container, debug problems, and perform maintenance tasks. 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. e. Jun 25, 2023 · Understanding the Docker exec Command. If you want to run a docker container with a certain image and a specified command, you can do it in this fashion: docker run -it -d --name container_name image_name bash 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. docker run -it <container_name> <image_name> /bin/bash and get an interactive bash shell. Commands allocate a TTY by default, so you can use a command such as docker compose exec web sh to get an interactive prompt. 3. It will replace the current running shell with the command that "$@" is pointing to. But I often forget to run d_enter after entering a long path and would like d_enter to switch to that internal directory automatically. Actually you can access a running container too. This means it will interpret the arguments passed to it as commands to be run inside the container. It is recommended to run this tutorial on a cluster with at least two nodes that are not acting as control plane hosts. yml:. Sep 7, 2016 · The problem is that docker exec -it XXX bash command does not work with swarm mode. Nov 5, 2014 · $ docker run --name mycont4 ubuntu sleep 10 # let this exit $ docker start mycont4 $ this starts sleep 10 back up in the background mycont4 $ docker exec mycont4 ps faux USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 8 0. 2, build 0a8c2e3 I have modified DOCKER_OPTS in /etc/default/docker to add: "-g /path/to/docker/" -since I need to store it on a large disk. . This article will teach you how to run commands on a running Docker container using the docker exec command. 1 Linux. 或者在 docker create 或 docker run 中定义的 WORKDIR ··· $ docker exec -it ubuntu_bash pwd / ··· 也可以在登录容器时，临时指定一个工作目录配置 docker exec -it CONTAINER_NAME /bin/bash given that: docker service ps pipeline_django returns valid service information and: docker stack ps pipeline returns valid stack information. What I've $ sudo docker run --name some-postgres -e POSTGRES_PASSWORD=mysecretpassword -d postgres enter the container with: $ sudo docker exec -it some-postgres /bin/bash when you entered the container, run: $ psql -U postgres Jan 15, 2015 · I'm using Docker on MacOSX (with Boot2Docker). docker-compose -f local. This command will list all the running containers on your system. Mar 2, 2016 · For docker run: Simply add the option --user <user> to change to another user when you start the docker container. This article explores the capabilities and usage of `docker exec`, detailing how it facilitates seamless communication and control over containerized applications. Follow 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. From the man page for docker-compose exec: Disable pseudo-tty allocation. Further below is another answer which works in docker v23. Dockerをインストールは、基本的にDocker公式サイトに準じていただければと思います。 よく使うDockerコマンド. 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。 Jan 6, 2020 · You can also run a local script from the host directly docker exec -i mycontainer bash < mylocal. 04 ENV TERM linux ENV DEBIAN_FRONTEND noninteractive RUN apt-get update RUN apt-get install -y CMD ["/bin/bash"] # save this file as Dockerfile then in same dir issue following # # docker build --tag stens_ubuntu . 8. This is the equivalent of docker exec targeting a Compose service. ~/. By default, that variable points to the command line arguments. Output a list of space-separated environment variables in the specified container: Mar 29, 2017 · Thank you for this! For docker-compose users, I wanted to add that I had a similar command to run - I wanted to delete redis keys based on a pattern - and was able to do so with the docker-compose exec -T command. Tested with: docker run --name ub16 -it ubuntu:16. 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. How to run docker container. 4. FROM ubuntu:20. Access an NVIDIA GPU. After that you can use exec command with -it parameter to attach it to your terminal. yml exec postgres bash Then, use psql command and specify the database name with the -d flag and the username with the -U flag Oct 18, 2014 · 10月14日に Docker 1. [ec2-user@ip-172-31-109-14 ~]$ echo test | sudo docker exec -i 69e937450dab cat test Now, let us suppose, you want the bash to start as process Oct 19, 2021 · Seems like you're trying to run /bin/bash inside the redis container, while the redis-cli and flushall commands are scheduled after in your current shell instance. Dockerのバージョン確認 Jan 4, 2018 · exec "$@" is typically used to make the entrypoint a pass through that then runs the docker command. version: '3' services: app: build: context: . One such method is to redirect to /dev/null which prevents container from immediate exit. txt" However, this doesn't work Dec 2, 2020 · # Get a debugging shell in a running container: docker-compose exec app bash # Basically equivalent to: docker exec -it project_app_1 bash Similarly, docker-compose run is basically identical to docker run : it launches a new container based on the image specified in the docker-compose. How do I run a command in my container? The proper way to run a command in a container is: docker-compose run <container name The info in this answer is helpful, thank you. But there is still something bothering me: with this solution, I have to hard-code the variables: foo='winpty docker exec -it 0b63a bash -c "stty cols 255 rows 59 && bash -l"' in my case. On the command line, you would use the docker run command, but this is just as easy to do from your own apps too. To do this, the user specifies the --detach-keys flag with the docker attach, docker exec, docker run or docker start command. docker exec -it < container-id > bash. py "$@" So, in this case, the life of this container is the life of exec pdf2pdfocr. The host may be local or remote. wmmyon lsvnr ztywtml rxyl ssi erxtljkg yukh fhdxf ekvjsrb ejyves