Docker

Question 1

Docker

Answer 1

Provides many opportunities for application development and deployment
Docker facilitates the process of packing, scaling & managing apps in containers, in turn reduce time & risks of errors also optimize use computing resources and automate the process of deploying, scaling, updating apps

Question 2

Roles of Docker

Answer 2

Application containerization, isolated environment, resource management, portability, dependency management, automation

Question 3

App Containerization

Answer 3

Package apps and their dependencies in containers. This makes it easy to deploy & scale.

Question 4

Isolated Environment

Answer 4

Containers create isolated environment for apps. This avoids conflicts between dependencies & reduce risk of errors

Question 5

Portability

Answer 5

• Containers can be run on any platform that has docker.
• Transfer of apps in different environment

Question 6

Resource Management

Answer 6

• Allows you to manage resources allocated to containers
• Optimize computing resources

Question 7

Dependency Management

Answer 7

• Manage app dependencies
• Easy to install and update libraries

Question 8

Automation

Answer 8

• Allows you to automate the process of deploying, scaling and updating apps
• Time reduced & reduced risks

Question 9

Methods that speed up build process

Answer 9

• Caching
• Multi-stage build
• Using base images
• Using automation tools

Question 10

Caching

Answer 10

Cache to dockerfile

Question 11

Multi-stage build

Answer 11

Create images consisting of several steps

Question 12

Using base images

Answer 12

Use available images

Question 13

Using automation tools

Answer 13

Docker compose and kubernates