At some point, your application will be deployed to production. If your application is small and you only use a few containers/servers, everything will be fine, you can easily manage all your resources (containers, VMs, servers, and so on) by hand in each deployment. However, what happens if you have hundreds of resources you need to update on each deployment? In this case, you need some kind of deployment mechanism; even if you have a small project and only one container/server, we recommend automating your deployment.
The main benefits of using an automatic deployment process are as listed:
Easy to maintain: Most of the time, the steps needed by the deployment can be stored in files so that you can edit them.
Repeatable: You can execute the deployment again and again and it will follow the same steps each time.
Less error-prone: We are humans and, as humans, we make mistakes multitasking.
Easy to track: There are multiple tools you can use to keep a log of everything that...