OpenShift modern availability

This is a step by step tutorial to deploying stateful applications with high-availability and zero downtime DR (RTO,RPO~>0). You will need a cluster and the ability to spawn new ones. This tutorial works on AWS, but the concepts may be reused everywhere.

The resulting deployment will looks as this:

This tutorial is comprised of the following steps:

1. cluster preparation

   This will result in deploying the following

2. establishing trust between the clusters

   This step requires having previously executed cluster preparation step.

   The result of this step is the following:

3. deploying cockroachdb

   This step requires having previously executed establishing trust step.

   The result of this step is the following:

4. deploying keycloak

   This step requires having previously executed deploying cockroachdb step.

   The result of this step is the following:

5. deploying kafka

   This step requires having previously executed establishing trust step.

   The result of this step is the following:

6. deploying YugabyteDB

   This step requires having previously executed establishing trust step.

   The result of this step is the following: