Kedge's backend proto that specifies "how" to proxy to the backend.

backend.proto

/// Backend data will be used to set up a pool of HTTP connection to the specified endpoint that will be kept open.
message Backend {
    /// name is the string identifying the backend in all other configs.
    string name = 1;

    /// balancer decides which load balancing policy to use.
    Balancer balancer = 2;

    /// security controls the TLS connection details for the backend (HTTPS). If not present, insecure HTTP mode is used.
    Security security = 3;

    oneof resolver {
        common.resolvers.SrvResolver srv = 10;
        common.resolvers.K8sResolver k8s = 11;
        common.resolvers.HostResolver host = 12;
    }
}