What are quality gates in software development?

Teams that enforce consistent evaluation at key stages can identify and address issues early to reduce the risk of defects in later stages. Quality gates are integral to maintaining high standards in software development and fostering confidence in the final product.

In Agile software development, quality gates are seamlessly integrated into iterative workflows to maintain quality while ensuring rapid delivery. These gates are used in each sprint or iteration to evaluate deliverables, such as code commits, builds, or user stories, against agreed-upon quality benchmarks.

Agile quality gates often include continuous integration and testing pipelines that automate checks for issues like failing tests, security vulnerabilities, or incomplete documentation. They support the Agile principles of delivering working software frequently while maintaining a sustainable development pace. By embedding quality gates in Agile processes, teams ensure that each increment of the software is reliable, functional, and ready for deployment.

Examples of quality gates include automated checks that act as a safeguard to ensure the software meets quality expectations before moving forward. These include checks on code quality, build validation, security compliance, test results, and performance benchmarks:

• Code quality: Evaluate metrics like code coverage, complexity, and adherence to coding standards with tools like SonarQube.
• Build validation: Ensure successful compilation and resolution of dependencies in continuous integration pipelines.
• Security compliance: Scan for vulnerabilities through tools like OWASP Dependency-Check or Snyk.
• Unit and integration test results: Verify that critical tests pass to confirm functionality and integration integrity.
• Performance benchmarks: Measure execution time, resource usage, or response times to meet performance expectations.

Every quality gate, however it's set up, runs the same four steps built around quality gate criteria:

1. Criteria: you define what "good enough to proceed" means: test coverage above a threshold, no critical vulnerabilities, and a clean build.
2. Check: the gate evaluates the deliverable against those criteria at the checkpoint.
3. Pass or fail: work that meets the bar moves to the next stage; work that doesn't is held.
4. Notification / report: the result is sent to the people who need it, so a fail is acted on rather than missed.

The value is in steps three and four: a gate only works if a fail actually stops the work and reaches the right person. That's where an automated, repeatable process matters most.

Quality gates are essential for businesses to maintain high standards, reduce risks, and optimize resources in software development. They help catch defects early, minimizing costly rework and delays in the later stages of the project. Quality gates foster trust with stakeholders and end users by ensuring compliance with industry standards and organizational policies. 

Additionally, these gates enhance team productivity through the automation of repetitive quality checks; automated quality gates let developers focus on innovation instead of manual enforcement. Ultimately, quality gates contribute to delivering reliable, secure, and high-performing software that strengthens a business's reputation and competitive edge.

A quality gate is a decision you make the same way every time, which makes it exactly the kind of thing worth automating rather than running by hand. Enji's Process Builder lets you define a quality gates workflow once as a reusable flow: the criteria to check, what happens on a pass, and what happens on a fail. Set it up once, and it runs consistently at every checkpoint instead of depending on someone remembering to enforce it.

PM Agent keeps the process moving across your tools, opening a ticket when a gate fails, notifying the right person in Slack, and surfacing the result in your reports, so a failed gate turns into action instead of a line no one reads. And because every team's standards differ, the criteria are yours to set and adjust as your context changes.

• Process Builder: turn gate criteria into a reusable flow that runs the same way every time
• PM Agent: keep the gate moving across tools, and make a pass or fail visible where the team already works
• Code Metrics: feed the gate the code-quality signals it checks against