Registry & Docs: https://app.docker.com/ \
Used for creation of containers, ref: Virualization & Containers
Terms
Registry
- Online Collection of Docker Images, examples:
 - Docker Hub ( Explore )
 - Amazon AWS ECR (ref: AWS Services )
 
Images:
- Formula for creating Containers
 - Can be built custom via DockerFiles (ref: Docs )
 
Containers
- 
Instances for Images, can be easily created
 - 
Volume:
- Docker Creates a wrapper on disk to save data
 - Stored in: /var/lib/docker/volumes/
 
 - 
Bind Mounts:
- Take dir from host machine which maps to data for container