There's no one-strategy-to-end-them-all really. It depends a lot on your tech stack, the size of your team, the skill set of your team, & the state of your project.
Considering DevOps to be a set of tools & practices covering: - production-matching local development environment/local dev workflow - automated provisioning of environments (dev, staging, production) - automated testing, continuous testing - automated deployment - monitoring of servers & apps, troubleshooting production app failures
In order to get an in-depth understanding of the need for DevOps Course, do have a look. Hope this helps!