Docker provides methods for managing OS-level containers and is built on top of Linux's native features for OS-level containerization. All containers running on a system share the same kernel; Mac OS X does not use the Linux kernel, but rather a mach kernel, so it cannot be run inside a Docker container at this time. Install Docker on Mac OS. This is how to install Docker on Mac OS. Docker is an open source that can safely build and share any.
Requirements: OS X 10.8 “Mountain Lion” or newer required to run Docker.
While the docker binary can run natively on Mac OS X, to build and host containers you need to run a Linux virtual machine on the box.1.12.0
Since version 1.12 you don't need to have a separate VM to be installed, as Docker can use the native
Hypervisor.framework functionality of OSX to start up a small Linux machine to act as backend.
To install docker follow the following steps:
Check here for more information on the installation.1.11.2
Until version 1.11 the best way to run this Linux VM is to install Docker Toolbox, that installs Docker, VirtualBox and the Linux guest machine.
To install docker toolbox follow the following steps:
This will install the Docker binaries in
/usr/local/bin and update any existing Virtual Box installation. Check here for more information on the installation.
To Verify Installation:1.12.0
Docker.appfrom the Applications folder, and make sure it is running. Next open up Terminal.
Docker Quickstart Terminal, which will open a terminal and prepare it for use for Docker commands.
Once the terminal is open type
If all is well then this should print a welcome message verifying that the installation was successful.
The last step used an official Docker image. Next step, create your own custom image. You should have a Docker ID, you probably created it to download Docker Desktop.
In your favorite text editor create a file called Dockerfile in the same directory you used in step 1. No extension, just Dockerfile. Paste in this code and save the file:
This tells Docker to use the same nginx base image, and create a layer that adds in the HTML you created in the last step. Instead of creating a volume that accesses the file directly from the host you are running on, it adds the file to the image. To build the image, in your terminal, type:
Two things, first replace <YourDockerID> with your Docker ID. Also notice the “.” at the end of the line. That tells Docker to build in the context of this directory. So when it looks to COPY the file to /usr/share/nginx/html it will use the file from this directory.
You can run it:
And go to http://localhost:8080 to see the page.
Next login to Docker Hub. You can do this directly from Docker Desktop. Or you can do it from the command line by typing.
Finally push your image to Docker Hub:
You may be asked to login if you haven’t already. Then you can go to hub.docker.com, login and check your repositories
To clean up before moving to the next section, run