docker-container-exec

execute a command in a running container

TLDR

Execute a command in a container

$ docker container exec [container] [command]

Start an interactive shell in a container

$ docker container exec -it [container] /bin/bash

Run a command as a specific user

$ docker container exec -u [user] [container] [command]

Set environment variables and execute a command

$ docker container exec -e [VAR=value] [container] [command]

Execute a command in a specific working directory

$ docker container exec -w [/path] [container] [command]

Run a command in the background (detached)

$ docker container exec -d [container] [command]

Load environment variables from a file

$ docker container exec --env-file [env.list] [container] [command]

SYNOPSIS

docker container exec [options] container command [args...]

docker container exec runs a new command in a running container. The command runs in the default working directory of the container or the directory specified with --workdir. The command must be an executable; chained or quoted commands do not work.This is the long form of docker exec and behaves identically.

PARAMETERS

-i, --interactive

Keep STDIN open even if not attached.

-t, --tty

Allocate a pseudo-TTY.

-u, --user user

Username or UID (format: user, user:group, uid, uid:gid).

-w, --workdir dir

Working directory inside the container.

-e, --env list

Set environment variables.

--env-file file

Read environment variables from a file.

-d, --detach

Run command in the background.

--detach-keys string

Override the key sequence for detaching a container.

--privileged

Give extended privileges to the command.

INSTALL

sudo apt install docker-cli

sudo dnf install docker-cli

sudo pacman -S docker

sudo apk add docker-cli

sudo zypper install docker

brew install docker

nix profile install nixpkgs#docker