In this session, I will demonstrate how Docker Desktop and Grafana Cloud create a powerful ecosystem for web application developers. This ecosystem enables seamless application development, testing, debugging, and observability, resulting in improved productivity, reliability, and efficiency. Attendees can expect to learn how to quickly spin up a development environment with an integrated observability staging environment using Docker Desktop and Grafana Cloud. In today's SaaS-driven world, infrastructure observability plays a critical role. With increasing internet speeds, even minor delays in application response times are unacceptable to users. As a result, integrating observability into systems during the design and development stage has become essential for effective real-time monitoring and system health. Docker Desktop is a favored tool among developers for web application development and testing. Through Docker Desktop extensions, Grafana Cloud provides a convenient solution for setting up and testing observability during the development and testing phases. Developers can easily experiment with different configurations to observe metrics, logs, and traces, allowing them to optimize parameters for production monitoring environments. The Grafana Cloud extension empowers developers to monitor their infrastructure systems with more than 80 different Grafana Cloud infrastructure integrations. Furthermore, the native integration of k6 into Grafana Cloud enables load testing of web applications. Developers can then observe how their applications respond to the load using Grafana and Docker monitoring tools. By leveraging Docker Desktop and Grafana Cloud, web application developers gain a comprehensive ecosystem that simplifies development, facilitates effective testing, and enables efficient fine-tuning. This empowers developers to deliver high-performing applications that meet the demands of modern users.