github.com/maeglindeveloper/gqlgen@v0.13.1-0.20210413081235-57808b12a0a0/example/federation/products/server.go (about)

     1  //go:generate go run ../../../testdata/gqlgen.go
     2  package main
     3  
     4  import (
     5  	"log"
     6  	"net/http"
     7  	"os"
     8  
     9  	"github.com/99designs/gqlgen/example/federation/products/graph"
    10  	"github.com/99designs/gqlgen/example/federation/products/graph/generated"
    11  	"github.com/99designs/gqlgen/graphql/handler"
    12  	"github.com/99designs/gqlgen/graphql/handler/debug"
    13  	"github.com/99designs/gqlgen/graphql/playground"
    14  )
    15  
    16  const defaultPort = "4002"
    17  
    18  func main() {
    19  	port := os.Getenv("PORT")
    20  	if port == "" {
    21  		port = defaultPort
    22  	}
    23  
    24  	srv := handler.NewDefaultServer(generated.NewExecutableSchema(generated.Config{Resolvers: &graph.Resolver{}}))
    25  	srv.Use(&debug.Tracer{})
    26  
    27  	http.Handle("/", playground.Handler("GraphQL playground", "/query"))
    28  	http.Handle("/query", srv)
    29  
    30  	log.Printf("connect to http://localhost:%s/ for GraphQL playground", port)
    31  	log.Fatal(http.ListenAndServe(":"+port, nil))
    32  }