Docker and Containers

Card type mix

• multiple choice: 70
• select blank: 48
• true false: 46
• code fill: 11
• order: 4
• multi select: 1

What's covered

1. What a Container Actually Is
2. Containers vs. Virtual Machines
3. Solving "It Works on My Machine"
4. Installing Docker
5. Images vs. Containers
6. Running Your First Container
7. docker run Pulls Images Automatically
8. Stopping a Running Container
9. Removing a Container
10. A Container's Lifecycle
11. Pulling Images From Docker Hub
12. Image Layers and Caching
13. Writing Your First Dockerfile
14. The FROM Instruction
15. The COPY Instruction
16. The RUN Instruction
17. The CMD Instruction
18. Building an Image
19. Multi-Stage Builds
20. Tagging and Versioning Images
21. The 'latest' Tag Isn't Special
22. Mapping Ports
23. Environment Variables in Containers
24. Bind Mounts
25. Volumes
26. Container Networking Basics
27. Getting a Shell Inside a Running Container
28. Reading Container Logs
29. Inspecting a Container
30. Setting Resource Limits
31. Restart Policies
32. Why You Need Docker Compose
33. Writing a docker-compose.yml
34. Networking Between Compose Services
35. Compose Volumes and Config
36. Keeping Images Small
37. Using .dockerignore
38. Avoiding Baked-In Secrets
39. Run as a Non-Root User
40. Use Trusted Base Images
41. Docker Hub and Private Registries
42. Pushing and Pulling From a Registry
43. Cleaning Up Unused Docker Resources
44. Why You'd Eventually Need an Orchestrator

Example cards

Latest: Initial release — 44 decks, 224 cards, each pack with a preview card teaching the concept before its graded main card and practice cards.