README.md

Docker Containers

Installing Docker

• Onto Ubuntu (from Docker Site)

• [Deploy a Private Docker Registery (from Docker Site)] (https://docs.docker.com/registry/deploying/)

  • NOTE: Only do this onto ONE VM (not all)

External Links

• Docker Documentation
• Docker Cheat Sheet
• DockerFile Best Practices
• ContainerTutorials.com
• Managing Data with Docker
• Docker OverlayFS
• What a Linux Container Really: Namespaces and cgroups

Tutorial that we are following

• ContainerTutorials.com

Understanding Docker Garbage Collection

• Innevitably early docker users find that their disks are filling
• It is important to understand:
  • What remains on disk when containers terminate?
  • What lingers in your local repository?
  • What lingers in your Docker registries?
• See some of the scripts (below) .
  • There are useful scripts for exploring/understanding what is going on
  • There are useful scripts for cleaning up your disks/registries

Gerry's Docker Scripts

• Docker Basics

  • dr: Docker Run

  • dx: Docker Execute

  • dps: Docker PS

  • dpsa: Docker PS All

• Docker Repository (Local)

  • sdi: Show Docker Images

  • rdi: Remove Docker Images

  • rdxi: Remove Exited Images

• Docker Registry (Private)

  • bcp: Build - Tag - Push

  • drs: Docker Registry Show

  • drm: Docker Registry Manifest

  • drt: Docker Registry Tag

  • drgcdr: Garbage Collect Registry (only registry host)