Docker is just a fancy way to run a process, not a virtual machine. Now, let me explain a bit more about what that means. Virtual machines are their own beast. I feel like explaining what …

Jun 16, 2018 · However it is still only created at docker swarm init time, so if you need to change it later, you'll need to shut down swarm mode entirely with docker swarm leave -f; delete the …

Mar 3, 2015 · docker create <image> # returns container ID the container is never started. docker cp <container ID>:<source_path> <destination_path> docker rm <container ID> cd …

May 30, 2013 · docker stack ls docker service ls docker image ls docker container ls Teaching the aliases first is confusing. Once you understand what's going on, they can save some …

Jan 1, 2018 · The --privileged flag gives all capabilities to the container, and it also lifts all the limitations enforced by the device cgroup controller. In other words, the container can then do …

Docker’s official documentation notes that COPY should always be the go-to instruction as it is more transparent than ADD. If you need to copy from the local build context into a container, …

Sep 27, 2016 · Instead you can run Docker Machine on the Mac directly and use Parallels to create the Linux VM - which means Docker is running in a Linux VM on your Mac, and you …

May 13, 2015 · Using the docker COPY command as you would the *nix cp command will yield unexpected results. That is, writing the command COPY files1 files2 . will not behave in the …

Jan 17, 2017 · $ docker build -t my-image - <<EOF > FROM busybox > WORKDIR /workdir > RUN touch foo.txt bar.txt qux.txt > EOF Sending build context to Docker daemon 2.048kB …

When given a single argument, like -v /var/lib/mysql, this allocates space from Docker and mounts it at the given location. This is primarily a way of allocating storage from Docker that is distinct …