9 - CI/CD

Question 1

Continuous Integration

Answer 1

Practice of
- integrating all code changes into main of a shared repository early and often
- automatically testing each change when you commit or merge them
- and automatically kicking off a build

Question 2

Benefit of CI

Answer 2

Errors and security issues can be identified and fixed more easily and much earlier in the software dev cycle

Question 3

Continuous Delivery

Answer 3

Automate infrastructure provisioning and app release
Ensure software can be deployed as packaged with everything it needs at any time

Question 4

Final stage of a mature CI/CD pipeline

Answer 4

Continuous Deployment

Question 5

Continuous Deployment

Answer 5

Automates releasing an app to production
Relies on rigorous testing tools and a mature test culture

Question 6

CI/CD Fundamentals (8 items)

Answer 6

Single Source repository
Frequent check-ins to main branch (avoid sub branches, merge frequently)
Automated Builds
Self testing builds
Frequent iterations (commits)
Stable test environments
Max visibility for developers
Predictable deployments anytime

Question 7

GitHub Actions

Answer 7

Workflow triggered when event occurs in repo

Question 8

How does CI integrate with version control systems?

Answer 8

Automatically triggering builds and tests when changes are made. Changes are then validated early and often

Question 9

Benefits of version control

Answer 9

Change history
Collaboration
Change rolback

Question 10

How can Docker help in CI/CD?

Answer 10

Apps and dependencies can be packaged into a container to ensure consistency across environments

Question 11

What benefits do cloud platforms bring to CI/CD?

Answer 11

Scalability
Isolation
Ability to use managed services