Consul
Consul is a service mesh and service discovery tool developed by HashiCorp that enables service-to-service communication, configuration, and security in distributed systems. It provides features like service registration, health checking, key-value storage, and multi-datacenter support to manage microservices and cloud-native applications. Consul helps automate network infrastructure, ensuring reliable and secure connections between services across dynamic environments.
Developers should learn and use Consul when building or managing microservices architectures, especially in cloud-native or hybrid-cloud deployments where service discovery, configuration management, and secure communication are critical. It is essential for scenarios requiring dynamic service registration, health monitoring, and traffic routing, such as in Kubernetes clusters or applications with frequent scaling and updates. Consul also supports zero-trust security models through its service mesh capabilities, making it valuable for modern DevOps and infrastructure automation.