docker/kubernetes - beginner

Question 1

Have you worked with Docker?

Answer 1

• have not but I understand containerization fundamentals
• packaging an app and its runtime into an image for consistent deployment

Question 2

What’s the difference between Docker and Kubernetes?

Answer 2

• docker: package and run containers (apartment in apartment building)
• kubernetes: orchestrate containers at scale (apartment building manager)
• handles replication, scaling, load balancing, etc

Question 3

What problem does Docker solve?

Answer 3

• environment and dependency inconsistencies
• packages them together into a portable container
• ensures it behaves the same in staging or production

Question 4

What is a container?

Answer 4

• lightweight isolated runtime environment that packages an application and its dependencies

Question 5

What does Kubernetes do?

Answer 5

• orchestrates containers
• manages deployments
• scales replicas up or down
• restarts failed containers