Feb 24, 2018 · I installed Docker on my Ubuntu machine. When I run sudo docker run hello-world it works. But if I write the command without sudo docker run hello-world it displays the …

In Docker 1.1.2 (latest), what's the correct way to detach from a container without stopping it? So for example, if I try: docker run -i -t foo /bin/bash or docker attach foo (for already running

Using docker-compose, you can inherit environment variables in docker-compose.yml and subsequently any Dockerfile (s) called by docker-compose to build images. This is useful …

After doing the steps above I got rid of x509: certificate signed by unknown authority but then I got 401 Unauthorized errors. To solve I needed to docker login <docker registry>

May 30, 2013 · In Docker 1.13, we regrouped every command to sit under the logical object it’s interacting with. For example list and start of containers are now subcommands of docker …

trying executing the docker run command with sudo, because the docker daemon normally needs to be run as root.

Aug 28, 2013 · After building a Docker image from a dockerfile, I see the image was built successfully, but what do I do with it? Shouldn't i be able to run it as a container?

Jan 21, 2018 · 73 docker run -it ubuntu:xenial /bin/bash starts the container in the interactive mode (hence -it flag) that allows you to interact with /bin/bash of the container. That means …

Docker released an official document outlining best practices for writing Dockerfiles, which explicitly advises against using the ADD command. Docker’s official documentation notes that …

Feb 4, 2014 · This allowed Docker to implement RUN quickly by relying on the shell's parser. Later on, people asked to be able to customize this, so ENTRYPOINT and --entrypoint were …