Consul Connect

Consul Connect is a Service Mesh solution offered by HashiCorp. It is also known as Consul Service Mesh. On the HashiCorp website, you will find that the terms Consul Connect and Consul Service Mesh are used interchangeably. It is built upon Consul, which is a service discovery solution and a key-value store. Consul is a very popular and long-established service discovery solution; it provides and manages service identities for every type of workload, which are then used by Service Mesh to manage traffic between Services in Kubernetes. It also supports using ACLs to implement zero-trust networking and provides granular control over traffic flow in the mesh.

Consul uses Envoy as its data plane and injects it into workload Pods as sidecars. The injection can be based on annotations as well as global configurations to automatically inject sidecar proxies into all workloads in specified namespaces. We will start by installing Consul Service Mesh on your workstation, followed...