service

type Service struct {
	// service properties
	AppName          string
	ConfigFileName   string
	CustomConfigPath string

	// web server config
	WebServerConfig *WebServerConfig

	// register one or more service handlers
	// example: type AnswerServiceImpl struct {
	//				testpb.UnimplementedAnswerServiceServer
	//			}
	//
	//			RegisterServiceHandlers: func(grpcServer *grpc.Server) {
	//				testpb.RegisterAnswerServiceServer(grpcServer, &AnswerServiceImpl{})
	//			},
	RegisterServiceHandlers func(grpcServer *grpc.Server)

	// setup optional health check handlers
	DefaultHealthCheckHandler  func(ctx context.Context) grpc_health_v1.HealthCheckResponse_ServingStatus
	ServiceHealthCheckHandlers map[string]func(ctx context.Context) grpc_health_v1.HealthCheckResponse_ServingStatus

	// setup optional rate limit server interceptor
	RateLimit ratelimiter.RateLimiterIFace

	// one or more unary server interceptors for handling wrapping actions
	UnaryServerInterceptors []grpc.UnaryServerInterceptor

	// one or more stream server interceptors for handling wrapping actions
	StreamServerInterceptors []grpc.StreamServerInterceptor

	// typically wrapper action to handle monitoring
	StatsHandler stats.Handler

	// handler for unknown requests rather than sending back an error
	UnknownStreamHandler grpc.StreamHandler

	// handler to invoke before gRPC server is to start
	BeforeServerStart func(svc *Service)

	// handler to invoke after gRPC server started
	AfterServerStart func(svc *Service)

	// handler to invoke before gRPC server is to shutdown
	BeforeServerShutdown func(svc *Service)

	// handler to invoke after gRPC server has shutdown
	AfterServerShutdown func(svc *Service)
	// contains filtered or unexported fields
}

type WebServerConfig struct {
	AppName          string
	ConfigFileName   string
	CustomConfigPath string

	// define web server router info
	WebServerRoutes map[string]*ginw.RouteDefinition

	// getter only
	WebServerLocalAddress string

	// clean up func
	CleanUp func()
}