75 lines
1.4 KiB
Go
75 lines
1.4 KiB
Go
package server
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import (
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"context"
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"fmt"
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"log"
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"net/http"
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"os"
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"github.com/gin-gonic/gin"
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"go.uber.org/fx"
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)
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var Module = fx.Options(
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fx.Provide(ProvideRouter),
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fx.Invoke(RunServer),
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)
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func ProvideRouter() *gin.Engine {
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if os.Getenv("GIN_MODE") == "" {
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gin.SetMode(gin.ReleaseMode)
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}
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r := gin.New()
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r.Use(gin.Logger(), gin.Recovery())
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return r
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}
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func RunServer(lifecycle fx.Lifecycle, r *gin.Engine) {
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port := os.Getenv("PORT")
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if port == "" {
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port = "3000"
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}
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srv := &http.Server{
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Addr: ":" + port,
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Handler: r,
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}
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lifecycle.Append(fx.Hook{
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OnStart: func(context.Context) error {
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log.Printf("Starting server on http://localhost:%s", port)
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go func() {
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if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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log.Fatalf("listen: %s\n", err)
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}
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}()
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return nil
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},
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OnStop: func(ctx context.Context) error {
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log.Println("Shutting down server...")
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return srv.Shutdown(ctx)
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},
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})
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}
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// RouteRegister is an interface that modules can implement to register their routes.
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type RouteRegister interface {
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Register(r *gin.Engine)
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}
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func RegisterRoutes(r *gin.Engine, registers []RouteRegister) {
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for _, reg := range registers {
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reg.Register(r)
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}
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}
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// AsRouteRegister is a helper to provide a RouteRegister to the fx group.
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func AsRouteRegister(f any) any {
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return fx.Annotate(
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f,
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fx.As(new(RouteRegister)),
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fx.ResultTags(`group:"routes"`),
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)
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}
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