Building a robust Continuous Integration and Continuous Deployment (CI/CD) pipeline is essential for modern software development, as it allows for rapid, frequent updates while minimizing downtime and deployment risks. Continuous deployment, an automated process that follows successful code testing, requires strong testing, monitoring, and rollback capabilities to ensure smooth transitions and minimal disruptions. Key deployment strategies include blue-green, rolling, and canary deployments, each with its own set of benefits and challenges. Blue-green deployment involves maintaining two identical production environments to minimize downtime, while rolling deployment gradually replaces old versions with new ones, and canary deployment tests new versions with a small user subset to identify issues early. These strategies help create a virtuous cycle of development, enabling faster time-to-market and user feedback. Platforms like Koyeb offer built-in continuous deployment solutions that simplify the deployment process and provide automatic rollback in case of failure, thereby enhancing the efficiency and reliability of application updates.