What are the benefits of Docker containers?

What is docker?

A docker container does not need a separate operating system instead it relies on the Linux kernel’s functionality and uses resource isolation.

Speed up the project or application deployment procedure
Docker has API for container management
Easily transferable and shareable. We can develop locally, deploy to the cloud easily
As it does not require an OS, it is lightweight
Any type of application can be containerized as docker is flexible
It is possible to scale by increasing and automatically distributing container replicas.
The deploy updates and upgrades can be done on-the-fly.