Being truly agile demands that the development team must release early and often. And that is where Continuous Deployment and Continuous Delivery comes into action. So today our topic of discussion is understanding what both the CDs are and their difference.
Understanding what Continuous Delivery is:
Continuous delivery is what we know, an extension of continuous integration. It is because it automatically deploys all the code changes to a testing or production environment as soon as it reaches the build stage. This surely means that on top of the automated testing, you also have an automated release process that lets you deploy your application whenever you want just by clicking a button.
In theory, with the help of continuous delivery, you can easily decide to release daily, weekly, fortnightly, or whatever the timings suit your business requirements. But know that if you really want to make the most out of the continuous delivery then you need to deploy to production as early as possible. This will make sure that you release small batches that are very easy to troubleshoot in case of a problem.
Understanding what Continuous Deployment is:
You can consider Continuous Deployment to be one step further than what Continuous Delivery is. Using this practice, every change that passes all stages of your production pipeline is going to be released to your customers too. A failed test will prevent a new change to be deployed to production and there will not be any human intervention.
If you want to accelerate the feedback loop with your customers then Continuous Development is the best way for that. It also takes off pressure from your team as there won’t be a release day anymore. And thus developers can easily focus on building the software and also they get to see their work go live minutes after they are done working on it.
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How both the practices are related to each other?
The practices are relevant in a way that the Continuous Deployment is just like Continuous Delivery except the releases happen automatically in Continuous Deployment.
What can you gain from Continuous Delivery?
With Continuous Delivery, the complexity of deploying software is taken away and your team doesn’t have to spend days preparing for a release anymore.
You can also release more often and thereby accelerating the process of feedback loop with your customers.
Similarly, with Continuous delivery, there is very little pressure on decisions for small changes and that leads to encouraging iterating faster.
What can you gain from Continuous Deployment?
You are able to develop faster because, in Continuous Deployment, there is no need to pause the development for releases. It is because the deployments pipelines are automatically triggered for every change.
The releases are less risky and very easy to fix whenever there is a problem as you deploy small batches of changes.
Next, the customers are able to see a continuous stream of improvements and feel quality increase by each passing day instead of getting to see it after month, quarter, or even a year.
Conclusion:
Thus you need to understand that both the Continuous Delivery and Continuous Deployment are connected to one another and that their functions or purpose are almost similar. The only difference they have is that the releases happen automatically in Continuous Deployment unlike in Continuous Delivery where you have to do it yourself. So, if you are working in an agile environment then it is very important that you know what these two terms are and their purpose. Therefore, read this article now Stay Safe Read this Team Building Activities While Working From Home and never stop learning!
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