You deploy a new release of an internal application during a weekend maintenance window when...

Before merging new code, require 2 different peers to review the code changes.

Adopt the blue/green deployment strategy when releasing new code via a CD server.

Integrate a code linting tool to validate coding standards before any code is accepted into the repository.

Require developers to run automated integration tests on their local development environments before release.

Configure a CI server.Add a suite of unit tests to your code and have your CI server run them on commit and verify any changes.