The article provides a comprehensive guide on setting up Prometheus and Grafana for monitoring microservices, highlighting their roles in improving observability by capturing and visualizing metrics. Prometheus serves as an open-source time-series database that collects metrics using a pull-based model and supports custom queries through PromQL, while Grafana provides web-based visualization through dashboards. The article discusses installation methods for these tools on virtual machines and Kubernetes, emphasizing the use of Helm charts and operators for Kubernetes installations. It also addresses scaling challenges with Prometheus and suggests using tools like Thanos for high availability and Trickster for improved dashboard performance. Furthermore, the article introduces Komodor as a supplementary tool that enhances monitoring capabilities by integrating with Prometheus and other tools, providing a holistic view of Kubernetes clusters, and automating alerting and troubleshooting processes. Despite the advantages of Prometheus and Grafana, such as being free and easy to use, the article notes the potential complexity and resource investment required for scaling and managing these tools effectively.