Gain insights into Docker Compose, Docker Swarm, and Docker Networking. Explore app deployment, multi-container management, and security tools to thrive in the cloud-first environment.

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If you want to thrive in the modern cloud-first world, you need to know Docker. But don’t stress, this course will give you all the skills you need.

To kick things off, you will learn how to deploy apps with Docker Compose, a key tool for managing multi-container applications running in single-engine mode. You will then move onto Docker Swarm which will allow you to stand up containers and orchestrate them at scale.

Towards the back half of the course, you will take a deep dive into Docker Networking, deploying apps with Docker Stacks, and some of the industry tools used for keeping Docker secure.

By the end of this course, you will be equipped with the knowledge and tools to run Docker at scale, no matter how many containers you have.

Docker Deep Dive: Advanced Techniques

So far, we've said that containers on bridge networks can only communicate with other containers on the same network. However, you can get around this using *port mappings*.

## What are port mappings?
Port mappings let you map a container to a port on the Docker host. Any traffic hitting the Docker host on the configured port will be directed to the container. 




So far, we've said that containers on bridge networks can only communicate with other containers on the same network. However, you can get around this using *port mappings*.

# What are port mappings?
Port mappings let you map a container to a port on the Docker host. Any traffic hitting the Docker host on the configured port will be directed to the container. 




Let's learn how to map container ports to Docker host's ports. 

About the Course

Multi-container Apps with Compose

Docker Swarm

Docker Networking

Docker Overlay Networking

Volumes and Persistent Data

Deploying Applications with Docker Stacks

Security in Docker

What Next

Appendix: Getting Docker and Compose

Port Mappings

What are port mappings?