Docker start container with shell

• Docker start container with shell. Jan 9, 2016 · YOU CAN use more complex shell syntax (that you want to use) when you create a new container with $ docker run command, however this will not work within systemd service files (due to limitation in systemd) and docker-compose . Next, we’ll run several examples of using docker exec to execute commands in a Docker container. You can skip binding the port if you'll be connecting from the machine that's hosting the Docker container. 06 0. docker start CONTAINER Aug 2, 2021 · I changed default shell into bash by making a new image with below Dockerfile commands. This command builds a container using the Dockerfile and tags it with the name ssh-container. However, the -a option displays all the containers, including the running and stopped ones: $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 789386223d03 image1:6. 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. sudo docker run -ti --rm -v ~/Docker_Share:/data ubuntu /bin/bash. 5. Using init containers with BusyBox and Docker allows you to prepare app containers for important workflows before they start. 0, these components are up to date for MacOS and Windows users. See full list on baeldung. Run an HTTP Web Server docker start 命令 语法 docker start [OPTIONS] CONTAINER [CONTAINER] 参数-a: 附加到容器的标准输入输出流。-i: 附加并保持标准输入打开。 实例. How to open a bash shell inside a running container and get an interactive command prompt. Jan 6, 2020 · I am trying to create a shell script for setting up a docker container. There are actually a number of ways in which you can achieve the goal of opening a shell within a running Docker container. Exiting out from the container will stop the container. These defaults can include an executable, or they can omit the executable, in which case you must specify an ENTRYPOINT instruction as well. Mar 24, 2022 · It runs a new command in the container, which allows you to start a new interactive shell: # start a container $ docker run --name nginx --rm -p 8080:80 -d nginx # create and connect to a bash shell in the container $ docker exec -it nginx bash root@a84ad71521b1:/# You can exit the current shell by pressing control + d or typing exit. Restart policies control what happens when a container stops or your host restarts. Essentially, it creates an instance of your selected terminal, and every command thereafter automatically utilizes 'docker exec -it ' without the need for manual input each time. First, start a container. What I've docker ps -a Then start the docker container either by container_id or container tag names. The Docker daemon pulled the "hello-world" image from the Docker Hub. To start and detach at once I use docker container start mycontainer;docker container attach --sig-proxy=false mycontainer. The following run command will spin up a Docker container with HA-Dockermon running on port 8126. 3K. You have to put your application in it. Then: docker container run -it [yourImage] bash If your eventual container is based on an alpine image, replace bash with sh. Dec 19, 2023 · Method 2: Use docker exec Command. then ^D to exit Then I will have a container running that I have to clean up. docker start -ai <container-name/ID> Feb 2, 2023 · To access a container shell prompt, use Docker commands such as docker run, docker exec, and docker attach. 1? I really need a console in the container and I a docker-compose-shell web. sh} /bin/sh /run. Mar 18, 2024 · $ docker exec -it <container-name> /bin/sh. If docker container is in exited state then Type below command to Run; docker start ContainerId Further below is another answer which works in docker v23. Aug 21, 2020 · An interactive shell is what we use to execute commands on a Linux host, with Bash being one of the most popular. This creates and starts a container named mycontainer from an alpine image with an sh shell as its main process. Question Apr 8, 2022 · Docker Desktop already notifies you if your version is out of date, and the latest versions contain updates to best detect the Log4Shell vulnerability. sh script ends. docker run -it --user nobody busybox For docker attach or docker exec: May 8, 2016 · Here the containers: docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 315567db2dff yiialkalmi_nginx "nginx -g 'daemon off" 18 hours ago Up 3 hours 0. You have successfully run docker image as a container Congrats. Q: What are the advantages of using Docker Compose Interactive Shell? A: There are a few advantages to using Docker Compose Interactive Shell: Jan 17, 2017 · After some testing and reading the docs it's obvious that there is no way to mimic the dockerfile or docker-compose entrypoint behavior with docker run. コンテナのシェルに接続するには、 docker attach Dec 24, 2019 · 34. Aug 11, 2023 · To use this Dockerfile, build the container using the docker build command, then run the container using docker run. MongoDB 在Docker容器中如何启动MongoDB Shell. Founded in 2010 by Solomon Hykes, Docker is a containerization platform that provides features in order to install, deploy, start and stop containers. without args) and putting the originals arguments to the COMMAND. You can then visit localhost:80 and run docker exec CONTAINER bash -c "cat /home/foo. EDIT [preferred method]: Sep 2, 2015 · I would like to start a stopped Docker container with a different command, as the default command crashes - meaning I can't start the container and then use docker exec command. The proposed answers are overriding the entrypoint to a single binary (i. Running an Interactive Shell in a Docker Container. 4. Usage. When running containers, you often want to run commands in order to have access to a Shell instance or to start a CLI to manage your servers. Containers come with default settings that usually work well, but you can change them if needed. Sep 23, 2015 · This is why you often see docker run some_image /bin/bash to run a bash shell in the container. This command allows you to interact with the container in real-time, making it a powerful tool for debugging and development. Aug 3, 2014 · # Just create interactive container. 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. Here’s an example: docker build . 4. CMD goes as arguments to ENTRYPOINT. However, I'd rather not have to manually remove the container. This would start a shell inside the `web` container, and you would be able to access the container’s filesystem and run commands as the `root` user. 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"]. More general: it must be an existing service name in your docker-compose file, myapp is not just a command of your choice. The command will start the Ubuntu image Run a container in the background docker run -d <image_name> Start or stop an existing container: docker start|stop <container_name> (or <container-id>) Remove a stopped container: docker rm <container_name> Open a shell inside a running container: docker exec -it <container_name> sh Fetch and follow the logs of a container: docker logs -f Jan 11, 2019 · I want to run docker:dind and get a shell. docker exec -it new-container bash Main advantage is you can attach several bash sessions to single container. The latest versions of Docker Desktop are available at this link here, May 18, 2020 · A docker run command is one of the basic commands in a Docker universe as it is used to start containers from Docker images. Nov 13, 2018 · docker run test The PowerShell prints this and the container exits: PS C:\> D:\repo\docker\Teste Tried again with this command: docker start d05ee -ai The PowerShell prints the same output: PS C:\> D:\repo\docker\Teste I wish to use the container interactively in a first moment to validate the tools I will install on it, but I'm not able to do Aug 26, 2020 · Check container is running type: docker ps -all 4. In this short note i will show how to start a Docker container in a foreground, in a background or with an interactive shell session of bash or sh from the command line using the docker run command. Both of these can be overridden when you create a container from an image. Their purpose in Dockerfile is to provide defaults for future when you or someone else will be creating containers Jun 12, 2017 · If you're using docker-compose you shouldn't always run additional containers when it's not needed to, as each run will start new container and you'll lose a lot of disk space. docker container start. docker create [OPTIONS] IMAGE [COMMAND] [ARG] Containers that are stopped do not show up in docker ps unless you specify the -a flag: docker ps -a Then you can start the created container. The docker container create (or shorthand: docker create) command creates a new container from the specified image, without starting it. So you can end up with running multiple containers when you totally won't have to. #Option 2: Start a stopped Docker container with docker start The main process inside the container referenced under the link redis will receive SIGKILL, then the container will be removed. Sep 27, 2015 · $> docker run -t -i buildfoo enter some bash commands. Then the Union File System adds a read-write layer on top. Where the <container-name> should be replaced with either the container name or container ID. If you want to run an existing container, you must first start the container and then you can use the exec option like this: docker start existing_container_ID_or_name docker exec -it existing_container_ID_or_name /bin/bash. Aug 24, 2021 · Running ssh sshuser@example. Kubernetes will pull your image, and then create and start containers from it while assigning them unique IDs. Oct 8, 2022 · You can access the shell of a container by modifying the docker exec command with a few arguments. If I attach to an already running container using docker container attach --sig-proxy=false mycontainer CTRL-C will detach without stopping the container. Jul 18, 2024 · The docker start command (an alias of docker container start) starts one or more stopped containers. Update 2017. profile Feb 2, 2019 · The restart: always definition is instructing Docker to start the containers automatically when the Docker service is started (in case of a reboot, for example). docker stop <container-name/ID> Then to login to the interactive shell of a container. Run docker exec on a running container. Sep 30, 2016 · Launch container: docker exec -it <CONTAINER ID> bash; Launch terminal: Is it possible to start a shell session in a running container (without ssh) 0. When you start a container from the Base image using Docker, Docker fetches the image and its parent image, and repeats the process until it reaches the Base image. Run a container in the background docker run -d <image_name> Start or stop an existing container: docker start|stop <container_name> (or <container-id>) Remove a stopped container: docker rm <container_name> Open a shell inside a running container: docker exec -it <container_name> sh Fetch and follow the logs of a container: docker logs -f Jul 14, 2022 · You can specify your BusyBox Docker image in this file with your chosen tag. FROM ubuntu:20. docker attach 1329c99a831b To sum up: you have to understand the difference between the run and start container. there is a docker restart container_name but that is used to restart a running container - I believe that is not your case. PS. Technically, this will create a NEW container, but it gets the job done. An alias is a short or memorable alternative for a longer command. Note that to start a shell process in a running container, we use docker exec instead of docker run. 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. Pass --restart always to docker run to make a container restart immediately after it stops. container's shell provides an easy and effective way to manage and monitor container, making it a valuable tool for developers working with To generate this message, Docker took the following steps: 1. When designing a Docker container, you're supposed to build it such that there is only one process running (i. Mar 23, 2023 · By using Alpine Docker container's shell, developers can easily manage and interact with container's operating system, allowing them to install packages, configure services, and run basic shell commands. The image reference specifies which image to use when you run a container. Finally open your google chrome and type localhost:3030. 0 "/bin/bash" 5 minutes ago Exited (0) 5 minutes ago trusting_mclean Jan 18, 2018 · The trick is to mount the Docker connection socket using a volume mount. Use -d to run the container in detached mode. Start Container : To start the container using the docker_image image run the below command in the terminal. The container gets this executable (script or file) from its image’s configuration. When a Docker container starts, it executes an application or command. Nearly all Docker containers are configured to allow running Bash or similar shell. Jul 11, 2024 · [#start-a-new-container] The short answer [#start-a-new-container] To start a Docker container in the foreground of the terminal based on an existing Docker image, you can use the [. 2. We’ll use the official MySQL image: docker container run --name my_mysql -d mysql A container identifier is not the same thing as an image reference. Use the docker container prune command to remove all stopped containers, or refer to the docker system prune command to remove unused containers in addition to other Docker resources, such as (unused) images and networks. In this case it will exit when your start-all. Simply add the option --user <user> to change to another user when you start the docker container. Similarly, we’re using the -it flags here to start the shell process in interactive mode. If you pass argument for docker run it will run the command and terminates the container. You can't run docker exec nginx:alpine sh to open a shell in a container based on the nginx:alpine image, because docker exec expects a container identifier (name or ID), not an image. Dec 6, 2017 · Now we simply need to docker build () and docker run -p 80:80 (). These adjustments help the container's program run exactly how you want it to. you should have one container for Nginx, and one for supervisord or the app it's running); additionally, that process should run in the foreground. Starting with Docker Desktop 4. docker run -it -p 8000:5000 docker_image. e. But I want that it will start with a shell. 11. Remove all stopped containers. Docker starts the container 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. Nov 30, 2022 · docker run -dt myimage docker ps # This step gives the container id necessary for next step docker exec -it <container-id> bash Ideally I'd like to do it all in one line. docker start. If you want to attach the container and drop to a shell, you can use: docker exec -it my_container /bin/bash Note, if your container is based on an alpine image, you need to use Mar 23, 2021 · Docker execute RUN command when you build the image. Each command serves a distinct purpose in the Docker ecosystem, impacting how containers are built, operate, and interact with their environments. (amd64) 3. Easy to remember, right? $ docker-compose up -d Check the containers are created. You can start a stopped container using: docker start container_name. The main process inside the container will receive SIGTERM, and after a grace period, SIGKILL. docker inspect <id-or-name> | grep 'IPAddress' | head -n 1 Jul 5, 2023 · sudo docker stop container_id. Luckily I created the container with the -it option! Examples Attach to and detach from a running container. When it does, the task is done and everything for docker is done right. Dec 2, 2018 · Therefore, we start docker container in an interactive shell. docker exec executes a user-specified command inside a running container. More recent versions of docker authorize running a container both in detached mode and in foreground mode (-t, -i or -it) Aug 6, 2021 · Predominantly, there are 3 ways to access the shell of a running container. # Dockerfile FROM <parent image> # make /bin/sh symlink to bash instead of dash: RUN echo "dash dash/sh boolean false" | debconf-set-selections RUN DEBIAN_FRONTEND=noninteractive dpkg-reconfigure dash # set ENV to execute startup scripts ENV ENV ~/. Apr 25, 2024 · docker rename container-name new-name. To run an interactive session with a running Docker container we use the docker exec command with the -i and -t flags, or -it for shorter. Just like a Linux system runs one command (init or systemd) and it is then responsible for starting up everything else. Property Description; cmd (string; Default: ). $ docker run docker/whalesay ls -l total 56 -rw-r--r-- 1 root root 931 May 25 2015 ChangeLog Aug 31, 2020 · To run an interactive shell for a non-running container, first find the image that the container is based on. docker run -dt myimage && docker exec -it <id> bash but I don't know how to get the container id to docker exec without looking it up in a separate step. 03s 5 days ago · A stopped container is restarted with docker start my-container. 0:80->80/tcp, 443/tcp yiialkalmi_nginx_1 53577722df71 yiialkalmi_php "php-fpm" 18 hours ago Up 3 hours 9000/tcp yiialkalmi_php_1 40e39bd0329a postgres:latest "/docker-entrypoint Jan 7, 2015 · sudo docker stop <container_name> sudo docker start <container_name> Share. You first need to create the container from the image. The workaround is to run: docker run -d --privileged docker:dind it starts in the background and then I can run docker exec -it <container> sh and get a shell. 0. inline-code] command as follows:. Containers usually run for as long as their main process stays alive. sh) should have the executable bits set something like:-rwxrwxr-x If not then try: chmod +x docker-entrypoint. docker run -it <container_name> <image_name> or. Description. For the sake of this article I will use Cassandra image. My script file looks like: #!bin/bash docker run -t -i -p 5902:5902 --name "mycontainer" --privileged myImage:new /bin/bash Oct 4, 2019 · Get a Shell to a Container # The docker exec command allows you to run commands inside a running container. It is important that this task/startup script does not terminate. When creating a container, the Docker daemon creates a writeable container layer over the specified image and prepares it for running the specified command. 03s sys 0m 0. Mar 2, 2017 · And last but not least – for curiosity’s sake – you just want to explore what exactly is inside your running container. 启动一个容器: docker start my_container. Above command will start the container, you can check that the container is running or not using docker desktop. Any tips gratefully accepted ! docker tag test-container $ {ECR_URL}/$ {ECR_REPO_NAME} docker push $ {ECR_URL}/$ {ECR_REPO_NAME} If you encounter errors or run into issues when trying to complete this tutorial, see the Troubleshooting section of this guide for help. Alternatively, you can create a docker-compose file to easily fire up your Docker images. Examples. The Docker daemon created a new container from that image which runs the executable that produces the output you are currently reading. That won't do much for you, but that'll show you what is happening: as soon as you exit the shell, it will exit the container too. I don't know enough about hadoop to tell you how to do it in this case, but you need to either leave something running in the foreground or use a process manager such as runit or supervisord to run the processes. Mar 18, 2024 · docker ps shows only the running images. Use docker inspect to get your container's IP address, then pass it to the SSH connection command. Getting a Shell This is not really how you should design your Docker containers. I think it would help when you will post what you exactly want Description. 18 or later, and fuse-overlayfs is installed) Now you can start it again. Docker execute ENTRYPOINT command when you start the container. For example, the following docker run command runs a container based on the Alpine Linux official image and starts an interactive session inside the container using an sh shell prompt: docker run -it alpine sh. Below is the general command syntax for docker start: docker start [options] [container1-name-or-id] [container2-name-or-id] [] May 11, 2015 · With the Windows Docker Desktop GUI, there's a feature that not only lets you open a direct shell on a container but also opens that shell in an external terminal. If you want to run the container permanently first start the container with docker run -itd swarm and check if the container runs or not by docker ps now the container runs , if Aug 31, 2023 · To create directories in a dataset on SCALE, use System Settings > Shell before you begin installing the container. $ docker run --name mycontainer -d -i -t alpine /bin/sh. inline-code]docker run[. This will give you a live server running R+ 00:44 0:00 ps aux $ docker top test PID USER COMMAND 10035 root {run. Known limitations. It can also be used with flags, such as docker run -it ubuntu bash. Feb 15, 2022 · Docker images and containers are different things. Basically I would like to start a shell so I can inspect the contents of the container. When you are ready to create a container, go to the APPS screen, select the Available Applications tab, and then click Launch Docker Image . I want to create a container that runs a Oct 24, 2018 · try docker run -it <image> /bin/bash to run a shell inside the container. This example will be better for your understanding: Oct 2, 2014 · To start an existing container which is stopped. Here’s how to start a new shell session inside a container. 在本文中，我们将介绍如何在Docker容器中启动MongoDB Shell。MongoDB Shell是用于与MongoDB数据库进行交互的命令行接口工具。通过在Docker容器中启动MongoDB Shell，我们可以方便地完成与数据库的交互操作。 阅读更多：MongoDB 教程 docker container exec; docker container export; docker container inspect; docker container kill; docker container logs; docker container ls; docker container pause; docker container port; docker container prune; docker container rename; docker container restart; docker container rm; docker container run; docker container start; docker container Aug 20, 2021 · Hi helpful People of the World! i am getting into containerisation and docker and i am trying to create some basic containers. Docker will then create and run a container from the downloaded image. Apr 30, 2024 · The docker start command resumes the container from its last state, and docker attach re-attaches to the container’s shell. Mar 2, 2016 · For docker run:. 15 0. Start one or more stopped containers. Unlike docker run, this command works only with already existing containers. docker run -it <container_name> <image_name> /bin/bash and get an interactive bash shell. It makes no sense to start a container only with the JDK. 01 Oct 5, 2015 · To start the container, I am typing the following command: sudo docker run -i -t -p 28000:27017 mongo:latest /usr/bin/mongod --smallfiles But I want to open the shell Aug 1, 2017 · docker run -dt --name custom-container-name --hostname custom-hostname image-name That should start it running as a daemon in the background. Using the Docker exec command to run commands in an active container. txt" to confirm it works as expected. These are - Using the Docker run command to run a container and access its shell. I am able to run arbitrary shell commands in a container created from docker/whalesay image. docker ps Jan 29, 2015 · A docker container exits when its main process finishes. Aug 19, 2023 · Above command will create an image name docker_image. docker start new-container # Now attach bash session. Exiting a Jan 30, 2023 · 现在我们已经进入了 Docker 容器，我们可以在容器中运行各种命令。键入 exit 命令并从该模式按回车键返回主终端。 使用 docker container attach 进入 Docker 容器的 Shell. 1 and docker scan 0. 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. Apr 19, 2017 · You can start your container in a detached mode: docker run -it -d my_container The -d option here means your container will run in "detached" mode, in the background. docker start 4b161b302337 One can verify whether the container is running with. May 29, 2023 · This will download the hello-world image from Docker Hub, a large repository of container images. Connect to this session "bash" with the command. If you have done everything correctly, you should see a log message s6-rc: info: service myapp successfully started at container startup. Only the following storage drivers are supported: overlay2 (only if running with kernel 5. Jun 21, 2015 · When a container is started using /bin/bash then it becomes the containers PID 1 and docker attach is used to get inside PID 1 of a container. The main purpose of a CMD is to provide defaults for an executing container. The Docker client contacted the Docker daemon. That means, when run in background (-d), the shell exits immediately. So docker attach < container-id > will take you inside the bash terminal as it's PID 1 as we mentioned while starting the container. Aug 23, 2015 · If you are not worried about security and you're simply looking to start a docker container on the host from within another docker container like the OP, you can share the docker server running on the host with the docker container by sharing it's listen socket. I am running Docker on Windows. # Use your own image. If you want to see the output of your command then you should add -ai options: docker start -ai container_name. That’s why I said in the beginning that you don’t really need SSH. When you have both an ENTRYPOINT and a CMD value defined, docker starts the container by concatenating the two and running that concatenated command. I want to run: docker exec -it <container_name> /bin/bash or. Using the Docker start command and attach a shell to a stopped container. 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 . Nov 12, 2021 · You can start a throwaway MongoDB container with docker run: docker run -d -p 27017:27017 --name example-mongo mongo:latest. . If the user provides the path to a shell instead of a specific command, docker exec enables shell access to the container. com Dec 6, 2023 · The 'docker run bash' command is used to start a new Docker container and run a Bash shell inside it. yml files and the Dockerfiles also. May 13, 2015 · The centos dockerfile has a default command bash. 27s user 0m 0. 我们还可以使用 docker container attach 命令连接到正在运行的容器。这允许我们使用容器的 ID 将终端 Nov 3, 2021 · この記事では、Dockerにおいて起動中のコンテナのシェルに接続する方法について詳しく解説する。 Udemyの「ゼロからはじめる Dockerによるアプリケーション実行環境構築」を参考。 接続する際の2つのコマンド. Then you can open a shell in the container with: 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. @user_mda A container can only run one command. docker exec-i -t < container > < shell > This is as close as it gets to connecting to a Docker container with SSH. The first signal can be changed with the STOPSIGNAL instruction in the container's Dockerfile, or the --stop-signal option to docker run. docker start <container-name/ID> To stop a running container. sh 123 cmd cmd2 10054 root /usr/sbin/apache2 -k start 10055 33 /usr/sbin/apache2 -k start 10056 33 /usr/sbin/apache2 -k start $ /usr/bin/time docker stop test test real 0m 0. To see how the exec command works and how it can be used to enter the container shell, first, start a new container. Usually I just nuke everything like this: docker rm --force `docker ps -qa` This works OK for me. docker start 1329c99a831b The container is started and again executes the command "bash". 3. docker container start [OPTIONS] CONTAINER [CONTAINER] Aliases. This is critical, as it allows the Docker container to access the host Docker instance, and perform actions against the Docker API directly. -t ssh-container docker run -d -p 2222:22 ssh-container. Since you can only run one thing (an entrypoint), if you want to do more things than that, you have to use a script like this to do some things before forking off the actual command you wanted to run (in this case, npm start). Step 7: Removing Containers Once you are done with a container and no longer need it, it’s a good practice to remove it to free up resources. If you need to start an interactive shell inside a Docker Container, perhaps to explore the filesystem or debug running processes, use docker exec with the Jul 28, 2013 · Not tested example: 1) run container with nginx logs in data volume: docker run -v /var/log/nginx -name somename imagename command; 2) run another container to view the data volume content: docker run -volumes-from somename -i -t busybox /bin/sh. The command to start the three containers is the same as in the previous simple example. 3. 11 or later, or Ubuntu-flavored kernel); fuse-overlayfs (only if running with kernel 4. The moment you exit that shell, even w/o restarting the container, you lose it. com will give you a shell inside your container. 1 Linux. docker create -it --name new-container <image> # Now start it. Mar 27, 2016 · The canonical way to get an interactive shell with docker-compose is to use: docker-compose run --rm myapp With the service name myapp taken from your example. Finally, we can run the Ubuntu Docker image to persist data using the Docker_Share directory using the command below. No start but named for future reference. If I run docker run --privileged docker:dind sh it just exit. sh Aug 8, 2017 · A docker container must have a dedicated task. Once the main process of the container completes, Docker will exit the container and return to the Ubuntu shell. In your machine where you are building the docker image (not inside the docker image itself) try running: ls -la path/to/directory The first column of the output for your executable (in this case docker-entrypoint. Here is the command to start container in interactive shell for debugging. docker exec -it <container-name/ID> bash To start an existing container and attach to it in one command. I created a Dockerfile: Jul 15, 2024 · The decision-making process involving the use of RUN, CMD, and ENTRYPOINT, along with the choice between shell and exec forms, showcases Docker’s intricate nature. docker start <CONTAINER_ID> or <NAMES> Say from the above picture, container id 4b161b302337 So command to be run is. 启动名称为 my_container 的容器。 启动并附加到容器: docker start -a my_container You are right docker run -itd swarm ( Without give argument for container( bash -c "while true; do sleep 1; done" ) )works fine . hztpm ppaum jfrw ymdd lszlt gxrlzfm ijk fibrx isoooi rrqqdhwq