add gorilla mux adapter

README.md

@@ -76,6 +76,28 @@ func main() {
 }
 ```
 
+#### Gorilla Mux
+```golang
+package main
+
+import (
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"github.com/its-felix/aws-lambda-go-http-adapter/adapter"
+)
+
+func main() {
+	r := mux.NewRouter()
+	r.Handle("/ping", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request){
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte("pong"))
+	}))
+
+	adapter := adapter.NewGorillaMuxAdapter(r)
+}
+```
+
 ### Creating the Handler
 #### API Gateway V1
 ```golang

adapter/gorillamux.go

@@ -0,0 +1,22 @@
+package adapter
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"github.com/its-felix/aws-lambda-go-http-adapter/handler"
+)
+
+type gorillaMuxAdapter struct {
+	router *mux.Router
+}
+
+func (g gorillaMuxAdapter) adapterFunc(ctx context.Context, r *http.Request, w http.ResponseWriter) error {
+	g.router.ServeHTTP(w, r)
+	return nil
+}
+
+func NewGorillaMuxAdapter(delegate *mux.Router) handler.AdapterFunc {
+	return gorillaMuxAdapter{router: delegate}.adapterFunc
+}

go.mod

@@ -5,6 +5,7 @@ go 1.20
 require (
 	github.com/aws/aws-lambda-go v1.47.0
 	github.com/gofiber/fiber/v2 v2.52.5
+	github.com/gorilla/mux v1.8.1
 	github.com/labstack/echo/v4 v4.12.0
 	github.com/valyala/fasthttp v1.55.0
 )

go.sum

@@ -7,6 +7,8 @@ github.com/gofiber/fiber/v2 v2.52.5 h1:tWoP1MJQjGEe4GB5TUGOi7P2E0ZMMRx5ZTG4rT+yG
 github.com/gofiber/fiber/v2 v2.52.5/go.mod h1:KEOE+cXMhXG0zHc9d8+E38hoX+ZN7bhOtgeF2oT6jrQ=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
+github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
 github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA=
 github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
 github.com/labstack/echo/v4 v4.12.0 h1:IKpw49IMryVB2p1a4dzwlhP1O2Tf2E0Ir/450lH+kI0=