Docker training

Docker training

1. Docker & container
2. Using container
3. Images
4. Volumes
5. Docker Compose
6. Cluster
7. Some environment that we know (at Infraero)

Docker & container

It is usual hear people describing Docker containers as "lightweight VMs". This kind of understanding results from some similarities between both technologies. The base architecture is the central difference between than. The analogy used by Docker team's is comparing houses (virtual machines) to apartments (Docker containers).

Images

• What is image
• Docker Hub
• Managing image cache
• Building images

What is image

Docker defines as:

An Image is an ordered collection of root filesystem changes an the corresponding execution parameters for use within a container runtime.

Reference

• https://goto.docker.com/docker-virtualization-admin-ebook.html
• https://nodejs.org/en/docs/guides/nodejs-docker-webapp/
• https://www.mundodocker.com.br/o-que-e-container/
• https://www.docker.com