# docker exec Execute a command in a running container ### Aliases `docker container exec`, `docker exec` ### Options | Name | Type | Default | Description | |:----------------------|:---------|:--------|:-------------------------------------------------------| | `-d`, `--detach` | `bool` | | Detached mode: run command in the background | | `--detach-keys` | `string` | | Override the key sequence for detaching a container | | `-e`, `--env` | `list` | | Set environment variables | | `--env-file` | `list` | | Read in a file of environment variables | | `-i`, `--interactive` | `bool` | | Keep STDIN open even if not attached | | `--privileged` | `bool` | | Give extended privileges to the command | | `-t`, `--tty` | `bool` | | Allocate a pseudo-TTY | | `-u`, `--user` | `string` | | Username or UID (format: `[:]`) | | `-w`, `--workdir` | `string` | | Working directory inside the container |