docker container exec — Execute a command on an already running Docker container. More information: <https://docs.docker.com

Enter an interactive shell session on an already-running container

docker {{[exec|container exec]}} {{[-it|--interactive --tty]}} {{container_name}} {{/bin/bash}}

Run a command in the background (detached) on a running container

docker {{[exec|container exec]}} {{[-d|--detach]}} {{container_name}} {{command}}

Select the working directory for a given command to execute into

docker {{[exec|container exec]}} {{[-it|--interactive --tty]}} {{[-w|--workdir]}} {{path/to/directory}} {{container_name}} {{command}}

Run a command in background on existing container but keep `stdin` open

docker {{[exec|container exec]}} {{[-i|--interactive]}} {{[-d|--detach]}} {{container_name}} {{command}}

Set an environment variable in a running Bash session

docker {{[exec|container exec]}} {{[-it|--interactive --tty]}} {{[-e|--env]}} {{variable_name}}={{value}} {{container_name}} {{/bin/bash}}