How do you approach implementing CI/CD pipelines in an environment with existing manual processes? Can you explain the difference between continuous integration, continuous delivery, and continuous deployment? How have you implemented these in your projects? What strategies do you use to manage infrastructure as code (IaC)? Which tools do you prefer, and why? How would you handle a situation where a production environment is experiencing performance degradation? Can you walk me through the process of setting up automated monitoring and alerting for cloud-based infrastructure? Explain how you’ve used containerization technologies like Docker or Kubernetes to streamline deployments. Describe a time when you had to troubleshoot a failing deployment pipeline. What steps did you take to resolve the issue? How do you ensure security best practices are integrated into a DevOps pipeline? What are the key differences between configuration management tools like Ansible, Puppet, and Chef, and which would you choose for a large-scale deployment? In your experience, what are the major challenges in managing a microservices architecture, and how do you address them?