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When Do You Need to Use Docker? For replicating the environment on your server, while running your code locally on your laptop Experimenting with new things on your laptop without breaking the repositories. Creating a production grade environment on you PC with just simple steps. For instant testing of your application. For Docker CI/CD during numerous development phases (dev/test/QA) For distributing your app’s OS with a team, and as a version control system. Simple ways to setup docker: - Route 1 (curl required): # curl https://get.docker.com | sh Route 2: #apt-get update #apt-get install \     apt-transport-https \     ca-certificates \     curl \     software-properties-common #curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add – #apt-key fingerprint 0EBFCD88 #add-apt-repository \    "deb [arch=amd64] https://download.docker.com/linux/ubuntu \    $(lsb_release -cs) \    stable" #apt

OVERVIEW Docker is the company driving the container movement and the only container platform provider to address every application across the hybrid cloud. Today’s businesses are under pressure to digitally transform but are constrained by existing applications and infrastructure while rationalizing an increasingly diverse portfolio of clouds, datacenters and application architectures. Docker enables true independence between applications and infrastructure and developers and IT ops to unlock their potential and creates a model for better collaboration and innovation. A little intro to LXC: - LXC (LinuX Containers) is a OS-level virtualization technology that allows creation and running of multiple isolated Linux virtual environments (VE) on a single control host. These isolation levels or containers can be used to either sandbox specific applications, or to emulate an entirely new host. LXC uses Linux’s cgroups functionality, which was introduced in version 2.6.24 to