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I started a docker container based on an image which has a file "run.sh" in it. Within a shell script, i use docker exec as shown below
docker exec <container-id> sh /test.sh
test.sh completes execution but docker exec does not return until i press ctrl+C. As a result, my shell script never ends. Any pointers to what might be causing this.
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Dockerfile Command to Keep the Container Running Method 1: You can use the -t (pseudo-tty) docker parameter to keep the container running. Method 2: You can run the container directly passing the tail command via arguments as shown below. Method 3: Another method is to execute a sleep command to infinity.
For containers that are stopped, you can also start the container using the Docker start command and then run the Docker exec command.
Docker Run vs Docker Exec! This is a fairly common question – but has a simple answer! In short, docker run is the command you use to create a new container from an image, whilst docker exec lets you run commands on an already running container! Easy!
Running Commands in an Alternate Directory in a Docker Container. To run a command in a certain directory of your container, use the --workdir flag to specify the directory: docker exec --workdir /tmp container-name pwd.
I could get it working with adding the -it parameters:
docker exec -it <container-id> sh /test.sh
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