Remove internal-frontend from default services (#3849)

Author: dnr

cmd/server/main.go

@@ -111,7 +111,7 @@ func buildCLI() *cli.App {
 				&cli.StringSliceFlag{
 					Name:    "service",
 					Aliases: []string{"svc"},
-					Value:   cli.NewStringSlice(temporal.Services...),
+					Value:   cli.NewStringSlice(temporal.DefaultServices...),
 					Usage:   "service(s) to start",
 				},
 			},

temporal/server.go

@@ -43,16 +43,25 @@ type (
 	}
 )
 
-// Services is the list of all valid temporal services as strings (needs to be strings to keep
-// ServerOptions interface stable)
 var (
+	// Services is the set of all valid temporal services as strings (needs to be strings to
+	// keep ServerOptions interface stable)
 	Services = []string{
 		string(primitives.FrontendService),
 		string(primitives.InternalFrontendService),
 		string(primitives.HistoryService),
 		string(primitives.MatchingService),
 		string(primitives.WorkerService),
 	}
+
+	// DefaultServices is the set of services to start by default if services are not given on
+	// the command line.
+	DefaultServices = []string{
+		string(primitives.FrontendService),
+		string(primitives.HistoryService),
+		string(primitives.MatchingService),
+		string(primitives.WorkerService),
+	}
 )
 
 // NewServer returns a new instance of server that serves one or many services.