server.go

package main // import "github.com/mattdamon108/go-graphql-api-boilerplate"

import (
	"context"
	"log"
	"net/http"
	"os"

	graphql "github.com/graph-gophers/graphql-go"
	"github.com/graph-gophers/graphql-go/relay"
	"github.com/joho/godotenv"
	"github.com/rs/cors"

	"github.com/mattdamon108/go-graphql-api-boilerplate/db"
	"github.com/mattdamon108/go-graphql-api-boilerplate/handler"
	"github.com/mattdamon108/go-graphql-api-boilerplate/resolvers"
	"github.com/mattdamon108/go-graphql-api-boilerplate/schema"
)

func main() {
	db, err := db.ConnectDB()
	if err != nil {
		panic(err)
	}

	context.Background()

	opts := []graphql.SchemaOpt{graphql.UseFieldResolvers()}
	schema := graphql.MustParseSchema(*schema.NewSchema(), &resolvers.Resolvers{DB: db}, opts...)

	mux := http.NewServeMux()
	mux.Handle("/", handler.GraphiQL{})
	mux.Handle("/query", handler.Authenticate(&relay.Handler{Schema: schema}))

	err = godotenv.Load()
	if err != nil {
		panic(err)
	}

	c := cors.New(cors.Options{
		AllowedOrigins:   []string{"http://localhost:8280"},
		AllowedHeaders:   []string{"Authorization", "Content-Type"},
		AllowCredentials: true,
		Debug:            os.Getenv("STAGE") != "PROD",
	})

	s := &http.Server{
		Addr:    ":8080",
		Handler: c.Handler(mux),
	}

	log.Println("Listening to... port 8080")
	if err = s.ListenAndServe(); err != nil {
		panic(err)
	}
}