In this chapter, you will learn how to deploy a replica set. Initially, the focus of this chapter is the bigger picture: what a replica set is, how it works, and why use it. In the first section, you are given information to assist in developing a business rationale for deploying a replica set. Following that, you are shown how to use Docker to model a replica set for testing and development purposes. The remainder of the chapter focuses on configuration and deployment.
In this chapter, we will cover the following topics:
- Replication overview
- Using Docker to model a replica set
- Configuring replica set members
- Deploying a replica set
