A container is a running instance of a container image
A container Image is a single tarball file, loaded with metadata, that has all the files by the application
The entry point is the command used to start your container
Creating container Images
Container Runtme
Container Management tools
Differences between Containers and VMs
| Virtual Machines | Containers |
|---|---|
| full OS | no OS |
| kernel inside | no kernel |
| lower level access to hardware | Limited access to hardware |
| more resources required | light weight & can be root less |
Containers can be run without root priviledges (root less)