Capella App Services provides a fully managed backend as a service tailored for mobile, IoT, and edge applications, enabling seamless integration and data synchronization with Couchbase Capella and Couchbase Lite. Monitoring is a key feature, offering insights into resource utilization, throughput, and error rates, which aids in identifying performance bottlenecks and scalability issues. The blog post details how to set up monitoring using Prometheus and Grafana, guiding users through configuring Prometheus to collect metrics from Capella App Services and leveraging Grafana to create dashboards for real-time application performance insights. It emphasizes the importance of setting up admin credentials and IP configuration to secure and access the Metrics API, which provides detailed performance data at node and endpoint levels. The integration of Prometheus and Grafana allows for custom alert rules, enhancing application resilience by enabling the prompt detection and resolution of anomalies.