Phase 5 / 11 · Trips 57–70

Containers and Image Development

Understand containers before introducing Kubernetes orchestration.

Walkthroughs planned

Before this phase: Linux Processes, Networking, and Troubleshooting — checkpoint

1. Trip 57Need to run an isolated applicationStart a container with Docker or Podman →
   Learning goal·Not yet practiced
2. Trip 58Need to inspect running containersUse container CLI inspection commands →
   Learning goal·Not yet practiced
3. Trip 59Need to view container logsInspect standard output and error →
   Learning goal·Not yet practiced
4. Trip 60Need to execute commands inside containersUse exec →
   Learning goal·Not yet practiced
5. Trip 61Need to build a container imageWrite a Dockerfile →
   Learning goal·Not yet practiced
6. Trip 62Need to reduce image sizeUse multi-stage builds →
   Learning goal·Not yet practiced
7. Trip 63Need to configure an applicationPass environment variables →
   Learning goal·Not yet practiced
8. Trip 64Need to persist container dataUse volumes and bind mounts →
   Learning goal·Not yet practiced
9. Trip 65Need containers to communicateCreate a container network →
   Learning goal·Not yet practiced
10. Trip 66Need to publish an application portConfigure port mappings →
    Learning goal·Not yet practiced
11. Trip 67Need to diagnose container failuresInspect exit codes, logs, and health checks →
    Learning goal·Not yet practiced
12. Trip 68Need to distribute imagesTag and push images to a registry →
    Learning goal·Not yet practiced
13. Trip 69Need to avoid running as rootConfigure a non-root container user →
    Learning goal·Not yet practiced
14. Trip 70Need to understand image identityCompare tags and immutable digests →
    Learning goal·Not yet practiced