Setting up development environment involves configurations like local DB host, port, file paths, and service URLs.Typically, developers face challenges with configurations leading to cycles of adjustments and server restarts.Reading configuration from files like application.properties is a common practice but can be cumbersome.A more efficient approach involves a 'util' class to read config values by key.Changing config values dynamically without server restarts can be achieved through file reloading or caching.Performance improvements can be made by implementing caching or storing config data in a database.Concurrency in accessing config values can be managed through file system settings or DB transactions.Permissions for config access can be controlled in a DB based on roles and teams.Kiponos.io offers a solution with a Java SDK and Web Admin for real-time config management with WebSocket communication.The service provides a centralized platform for config updates based on user roles, team membership, and active environments.