How do you handle failed deployments in a CI CD pipeline without disrupting production

Question

This question basically seeks to know how deployment failures are handled in CI/CD pipelines as not to adversely reflect on the production environment. Here, the strategy focuses on how failures or unsuccessful deployments can be rolled back as quickly as possible to prevent the impact on live services. In answering, techniques would include the use of blue-green deployments and canary releases, along with automated rollback features, as well as best practices for maintaining continuous uptime and stability during deployment errors.