Description: An instance role defines the permissions and responsibilities assigned to an application instance in cloud computing environments. This concept is fundamental for managing security and access to resources on various cloud platforms. By assigning an instance role, it specifies what actions the instance can perform and which resources it can access, allowing for granular control over security. Instance roles are particularly useful in microservices architectures, where multiple instances may require different levels of access to resources such as databases, storage systems, or external services. Additionally, these roles can be modified without needing to restart the instance, providing flexibility and agility in permission management. In summary, an instance role is a key tool for ensuring that cloud applications operate efficiently and securely, allowing developers to focus on application functionality without worrying about manually managing access credentials.