In this post, we will see how to create a Postgres container using Docker and restart Postgres containers without losing data. At the end of the article, we will deploy Postgres inside Kubernetes pods with a custom deployment that utilizes ConfigMaps and StatefulSets. Previously, we covered how to deploy Postgres inside Kubernetes using Helm charts - the Kubernetes package management system.
Why Use Containerized Databases?
Creating a container for a database may seem to add unnecessary overhead compared to simply installing it on a server. However, it allows users to bring all the advantages of containers to bear on their databases.