Docker : Containerization Platform -
Docker containers wrap up a piece of software in a complete filesystem that contains everything it needs to run: code, runtime, system tools, system libraries – anything you can install on a server. This guarantees that it will always run the same, regardless of the environment it is running in.
Solomon Hykes started Docker as internal project at dotCloud in France. 1st release of Docker happened in March 2013.
Installing Docker -
Docker is available to download from https://www.docker.com. Download dmg(mac)/exe(Window) file -> Double click and follow the instruction -> Once installed correctly running docker can be viewed in your system tray ->
Kitematic : Running Containers -
Click - open Kitematic -> Kitemitcs will show the list of docker images available to create -> click 3 dots beside the create button -> click ‘view on docker hub’ —> it’ll open a link about how to create, configure, start and stop a specific docker image application ->
Select an image -> Click create -> Kitematic will install the image and start application with default setting - Configure the application as per your requirement -> Multiple containers can be created with one application running in each. Applications within the containers can also communicate to each-other.
Puppet : Configuration Management -
Puppet is a Ruby based configure management tool initially released in 2005. Docker image can be managed & Docker containers can be run using puppet (puppet apply & puppet agent).
Gareth Rushgrove has created a useful puppet resource on installing & managing docker - https://forge.puppet.com/garethr/docker.
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