7/17/2019 Docker PPT

1/7

Costly Proposition: HInstallation

Each hardware needswitch, power, stora

Time consuming : OInstallation, security

Under utilied resou

7/17/2019 Docker PPT

2/7

!o waiting "or hardware ordering

Easy pro#isioning o" $%&, 'is( orCPU

Easy Scaling : increase $%&, 'is(or CPU

Sa#ings in Space and Power

7/17/2019 Docker PPT

3/7

What is Docker ?!!!

'oc(er is an Open plat"orm "or de#eloping, shipping andrunning distributed applications using container#irtualiation technology)

7/17/2019 Docker PPT

4/7

'oc(er*s %rchitecture

7/17/2019 Docker PPT

5/7

+hat is an Image% runnable component with a -lesystem

Containers, the runtime o" doc(er, are created "rom images .ilesystem made up with /layers0

1ust tar -les2ayers can be shared between images

Includes a description organiing layers into an image Identi-ed by a name 3ubuntu, redis, ste##ooe4myapp5

+hat is the 'oc(er$egistrycentral place to store and distribute doc(er images

Stores the layers and the description o" how they ma(eup an image

Implements a common %PI agreed upon by 'oc(erclients

Se#eral Implementations6 % simple web ser#er to ma(e images a#ailable6 % complete web application

6 Ser#ices li(e the 'oc(er Hub containa registry

7/17/2019 Docker PPT

6/7

&ore technical e7planation

High 2e#el8It*s a lightweight 9&

Own process space

Own networ( inter"ace

Can run stu as root

Can ha#e its own 4sbin4init3dierent "rom host5

;;machine container

7/17/2019 Docker PPT

7/7

Stores the layers and the description o" howthey ma(e up an imageImplements a common %PI agreed upon by'oc(er clientsSe#eral Implementations

% simple web ser#er to ma(e images a#ailable

% complete web applicationSer#ices li(e the 'oc(er Hub containa registry