What is “shift-left”?

Robert Kozak
The Emburse Tech Blog
6 min readMay 18, 2023
Source: iStock/berkozel

The “shift-left” paradigm has revolutionized the software development world by advocating for early detection and resolution of issues in the development lifecycle. As a DevOps architect, I’ve witnessed the impact of this methodology, especially in terms of transitioning responsibilities such as CI/CD, Infrastructure as Code, security, SAST, and IAST from DevOps to developers. In this article, I will discuss the shift-left philosophy from a DevOps engineer’s perspective, exploring the benefits of moving these responsibilities and offering practical steps for successful implementation in your own development environment.

The Shift-Left Philosophy

At its core, shift-left involves integrating critical processes like testing and quality assurance earlier in the development timeline. The primary goal is to detect and rectify issues proactively, rather than waiting for the traditional testing phase towards the end of the development cycle. As a DevOps engineer, embracing the shift-left mindset means preventing defects, minimizing the need for extensive troubleshooting, and optimizing the overall development process.

Empowering Developers

One of the fundamental aspects of the shift-left approach is the reallocation of certain responsibilities from DevOps to developers. This transition aims to empower developers with tools and techniques that were previously the domain of DevOps professionals. By adopting practices like continuous integration and continuous deployment (CI/CD), infrastructure as code (IaC), security, SAST, and IAST, developers can take greater ownership of their work, resulting in a more streamlined and efficient development process.

Continuous Integration and Continuous Deployment

Incorporating CI/CD practices into the development workflow enables developers to integrate code changes more frequently and efficiently. This shift in responsibility allows for rapid identification and resolution of issues, leading to a more stable and reliable end product.

Infrastructure as Code

By leveraging IaC, developers can manage and provision infrastructure using code, streamlining the process of setting up and maintaining development, testing, and production environments. This practice reduces the risk of human error and ensures that environments are consistent and easily replicable.

Security

As part of the shift-left movement, developers are encouraged to take a more proactive role in application security. This includes adopting secure coding practices, conducting regular code reviews, and integrating security testing tools into the development process. By making security a shared responsibility, teams can mitigate risks and deliver more secure applications.

Static Application Security Testing (SAST) and Interactive Application Security Testing (IAST)

Incorporating SAST and IAST tools into the development process allows developers to identify and address potential security vulnerabilities earlier in the lifecycle. These tools help to automate security testing, making it easier for developers to prioritize and remediate issues before they become critical problems.

Practical Steps for Transitioning Responsibilities

  1. Provide Training and Support: To ensure a smooth transition of responsibilities, it’s essential to equip developers with the necessary skills and knowledge. Offer training sessions, workshops, and access to learning resources to help developers become proficient in new tools and techniques.
  2. Establish a Collaborative Culture: Encourage open communication and collaboration between developers and DevOps professionals. This will facilitate knowledge sharing and create a more unified understanding of project requirements and objectives.
  3. Implement Tooling: Equip developers with the necessary tools to take on new responsibilities. This may include CI/CD platforms, IaC frameworks, security testing tools, and more.
  4. Monitor and Measure Progress: Regularly review and assess the impact of transitioning responsibilities on your development process. Establish key performance indicators (KPIs) to track progress and make adjustments as needed.

The Impact of Shift-Left on DevOps Engineers

Greater Collaboration

The shift-left movement fosters increased collaboration between DevOps engineers and developers. As developers adopt DevOps practices, you will have the opportunity to engage more closely with them, sharing your expertise and knowledge. This collaboration results in a better understanding of project requirements and objectives, leading to more informed decision-making and a more unified development process.

Continuous Improvement and Learning

As responsibilities shift and roles evolve, DevOps engineers must embrace continuous learning and improvement. This may involve staying updated on the latest tools, technologies, and best practices to help developers adopt and implement new processes effectively. Continuous learning not only benefits the development process but also contributes to your professional growth and development.

Emphasis on Mentorship and Knowledge Sharing

With developers taking on new responsibilities, DevOps engineers can assume a mentorship role, guiding and supporting developers as they learn and adopt new practices. This mentorship not only facilitates the successful implementation of shift-left strategies but also fosters a positive team culture and strong working relationships.

Adapting to the Shift-Left Paradigm: Tips for DevOps Engineers

  1. Embrace the Change: Understand that the shift-left movement is designed to improve the development process as a whole. Embrace the change, and focus on the opportunities it presents for your professional growth and the success of the team.
  2. Communicate and Collaborate: Foster open communication and collaboration with developers. Share your expertise and be open to learning from them as well. This mutual exchange of knowledge will strengthen the development process and create a more unified team.
  3. Stay Updated: Continuously update your skills and knowledge to stay relevant in the evolving software development landscape. Attend workshops, webinars, and conferences, and network with other professionals to stay informed about industry trends and best practices.
  4. Mentor and Support: Assume a mentorship role for developers as they take on new responsibilities. Offer guidance, support, and resources to help them succeed in their new roles.

The Impact of Shift-Left on Developers

Develop a Growth Mindset

Embracing new responsibilities requires a growth mindset, which entails being open to learning, adapting, and expanding your skill set. Acknowledge that this shift is an opportunity to grow professionally and enhance the overall development process.

Seek Training and Education

To successfully adopt new responsibilities, you must acquire the necessary skills and knowledge. Seek out training opportunities, workshops, online courses, and other resources to develop proficiency in areas such as CI/CD, Infrastructure as Code, security, and application testing.

Collaborate with DevOps and Fellow Developers

Collaboration is key when taking on new responsibilities. Work closely with your DevOps colleagues and other developers to share knowledge, ideas, and best practices. This collaboration will foster a more unified understanding of project requirements and objectives, resulting in better decision-making and a stronger development process.

Implement New Tools and Technologies

Incorporate the tools and technologies required for your new responsibilities into your workflow. This may include CI/CD platforms, Infrastructure as Code frameworks, security testing tools, and more. Familiarize yourself with these tools and leverage their capabilities to streamline your development process.

Start Small and Iterate

When adopting new responsibilities, it’s essential to start small and iterate as you gain experience and confidence. Begin by integrating a single responsibility, such as implementing a basic CI/CD pipeline, and then build upon that foundation as you become more comfortable with the new processes.

Seek Feedback and Monitor Progress

Regularly seek feedback from your DevOps colleagues and fellow developers to gauge your progress and identify areas for improvement. Additionally, monitor your performance using key performance indicators (KPIs) to track your progress and make adjustments as needed.

Practical Tips for Embracing DevOps Responsibilities

  1. Set Realistic Goals: Establish achievable short-term and long-term goals for adopting new responsibilities. This will help you stay focused and motivated as you learn and grow.
  2. Prioritize Your Tasks: With an expanded set of responsibilities, effective time management is crucial. Prioritize tasks based on importance and urgency to ensure you allocate your time and energy appropriately.
  3. Establish a Support Network: Connect with colleagues, mentors, and industry professionals who can offer guidance, advice, and support as you navigate the shift-left landscape.
  4. Be Patient: Learning new skills and adopting new responsibilities takes time. Be patient with yourself as you progress, and remember that mistakes and setbacks are part of the learning process.

Conclusion

In conclusion, the shift-left movement has significantly transformed the software development landscape, prompting developers to take on responsibilities traditionally associated with DevOps. By embracing this change, developers can further improve the development process, increase collaboration with DevOps professionals, and contribute to a more efficient and effective software lifecycle. As you navigate this paradigm shift, remember to adopt a growth mindset, seek out training and support, collaborate with your colleagues, and implement new tools and technologies. By doing so, you will not only strengthen your skill set and enhance your career but also contribute to the success of your team and the overall quality of the software you create. Embrace the shift-left movement and seize the opportunities it presents to thrive in today’s rapidly evolving software development landscape.

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Robert Kozak
The Emburse Tech Blog

Robert Kozak is a Kuberntes and containers expert working for Emburse, Inc as a Devops Architect II. He has been working with Kubernetes since 1.4. CKA & CKAD