#Docker run image in shell how to
The following syntax show you how to shell into a running container. The -t flag, or -tty, allocates a pseudo-TTY which creates the terminal shell.The -i flag, or -interactive, instructs Docker to keep STDIN open allowing you to continuously interact with the container.The -i flag allow us to interact with the container, while the -t flag is used to open a terminal into the container. 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. Nearly all Docker containers are configured to allow running Bash or similar shell.
I was expecting the SHELL would be set to pwsh in the powershell images. Learn how to interactively shell into a containerĪn interactive shell is what we use to execute commands on a Linux host, with Bash being one of the most popular. Steps to reproduce Build the following Dockerfile FROM microsoft/powershell:6.0.1-nanoserver-1709 RUN Get-ChildItem Expected behavior docker build would succeed.You will need to understand how to shell into a running container to troubleshoot problems or verify configurations, for example. As for the second line: docker run -it bash does not run bash inside of your image it downloads the bash:latest image and runs it. Understanding how to interact with a running Docker container is a foundamental skill you will need in a containerized environment.
Notably, this Docker image has been created expressly for the Go chromedp package, which provides a simple and. Docker alpine ubuntu debian redhat Learn how to load an interactive shell inside of a running Docker container based on Alpine, Debian, or Ubuntu in order to perform operational tasks. The headless-shell project provides a Docker image, chromedp/headless-shell, containing a pre-built version of Chrome's headless-shell - a slimmed down version of Chrome that is useful for driving, profiling, or testing web pages.