Make the ports have default values

cmd/rove-accountant/main.go

@@ -82,15 +82,18 @@ func (a *accountantServer) GetValue(_ context.Context, in *accounts.DataKey) (*a
 
 // main
 func main() {
-	// Verify the input
+	// Get the port
+	var iport int
 	var port = os.Getenv("PORT")
 	if len(port) == 0 {
-		log.Fatal("Must set $PORT")
+		iport = 9091
-	}
+	} else {
-	iport, err := strconv.Atoi(port)
+		var err error
+		iport, err = strconv.Atoi(port)
 		if err != nil {
 			log.Fatal("$PORT not valid int")
 		}
+	}
 
 	persistence.SetPath(data)
 

cmd/rove-reverse-proxy/main.go

@@ -21,17 +21,20 @@ func main() {
 
 	var endpoint = os.Getenv("ROVE_GRPC")
 	if len(endpoint) == 0 {
-		log.Fatal("Must set $ROVE_GRPC")
+		endpoint = "localhost:9090"
 	}
 
+	var iport int
 	var port = os.Getenv("PORT")
 	if len(port) == 0 {
-		log.Fatal("Must set $PORT")
+		iport = 8080
-	}
+	} else {
-	iport, err := strconv.Atoi(port)
+		var err error
+		iport, err = strconv.Atoi(port)
 		if err != nil {
 			log.Fatal("$PORT not valid int")
 		}
+	}
 
 	// Create a new mux and register it with the gRPC endpoint
 	fmt.Printf("Hosting reverse-proxy on %d for %s\n", iport, endpoint)

cmd/rove-server/internal/server.go

@@ -106,7 +106,7 @@ func (s *Server) Initialise(fillWorld bool) (err error) {
 	// Connect to the accountant
 	accountantAddress := os.Getenv("ROVE_ACCOUNTANT_GRPC")
 	if len(accountantAddress) == 0 {
-		log.Fatal("must set $ROVE_ACCOUNTANT_GRPC")
+		accountantAddress = "localhost:9091"
 	}
 	log.Printf("Dialing accountant on %s\n", accountantAddress)
 	s.clientConn, err = grpc.Dial(accountantAddress, grpc.WithInsecure())

cmd/rove-server/main.go

@@ -31,15 +31,18 @@ func InnerMain() {
 		return
 	}
 
-	// Address to host the server on, automatically selected if empty
+	// Address to host the server on
+	var iport int
 	var port = os.Getenv("PORT")
 	if len(port) == 0 {
-		log.Fatal("Must set $PORT")
+		iport = 9090
-	}
+	} else {
-	iport, err := strconv.Atoi(port)
+		var err error
+		iport, err = strconv.Atoi(port)
 		if err != nil {
 			log.Fatal("$PORT not valid int")
 		}
+	}
 	log.Printf("Initialising version %s...\n", version.Version)
 
 	// Set the persistence path