In the previous chapter, we learned about the most important architectural patterns and best practices that are used when dealing with a distributed application architecture.
In this chapter, we will introduce the Docker container networking model and its single-host implementation in the form of the bridge network. This chapter also introduces the concept of software-defined networks and how they are used to secure containerized applications. Furthermore, we will demonstrate how container ports can be opened to the public and thus make containerized components accessible to the outside world. Finally, we will introduce Traefik, a reverse proxy, which can be used to enable sophisticated HTTP application-level routing between containers.
This chapter covers the following topics:
- Dissecting the container network model
- Network firewalling
- Working with...