BrotliCompressHandler function BrotliCompressHandler wraps an http.Handler with content compression middleware.

GzipCompressHandler function GzipCompressHandler wraps an http.Handler with content compression middleware.

WithBackend is a GatewayOptionFunc that sets the backend host and port.

WithCORS is a GatewayOptionFunc that adds the CORS handler to the GatewayOption struct.

WithEndpoint is a GatewayOptionFunc that appends the provided GatewayEndpoints to the endpoints field in the GatewayOption struct.

WithHandler is a GatewayOptionFunc that adds one or more GatewayHandler functions to the GatewayOption struct.

WithServer is a GatewayOptionFunc that sets the host and port for the server.

WithTLS is a GatewayOptionFunc that sets the TLS certificate and key for the server.

HealthCheckResponse は死活状況のレスポンス構造体.