diff --git a/go.mod b/go.mod
index dd76018..a157859 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/metalogical/BigFiles
 
 go 1.21
 
-toolchain go1.23.1
+toolchain go1.21.4
 
 require (
 	github.com/go-chi/chi v4.1.2+incompatible
@@ -10,10 +10,7 @@ require (
 	sigs.k8s.io/yaml v1.4.0
 )
 
-require github.com/aws/aws-lambda-go v1.43.0 // indirect
-
 require (
-	github.com/akrylysov/algnhsa v1.1.0
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/go-ini/ini v1.67.0 // indirect
 	github.com/goccy/go-json v0.10.3 // indirect
@@ -27,4 +24,5 @@ require (
 	golang.org/x/net v0.30.0 // indirect
 	golang.org/x/sys v0.26.0 // indirect
 	golang.org/x/text v0.19.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index 82c9f83..ce38668 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,3 @@
-github.com/akrylysov/algnhsa v1.1.0 h1:G0SoP16tMRyiism7VNc3JFA0wq/cVgEkp/ExMVnc6PQ=
-github.com/akrylysov/algnhsa v1.1.0/go.mod h1:+bOweRs/WBu5awl+ifCoSYAuKVPAmoTk8XOMrZ1xwiw=
-github.com/aws/aws-lambda-go v1.43.0 h1:Tdu7SnMB5bD+CbdnSq1Dg4sM68vEuGIDcQFZ+IjUfx0=
-github.com/aws/aws-lambda-go v1.43.0/go.mod h1:dpMpZgvWx5vuQJfBt0zqBha60q7Dd7RfgJv23DymV8A=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/main.go b/main.go
index 24328bc..ded11cd 100644
--- a/main.go
+++ b/main.go
@@ -6,9 +6,8 @@ import (
 	"log"
 	"net/http"
 	"os"
-	"strings"
+	"time"
 
-	"github.com/akrylysov/algnhsa"
 	"github.com/metalogical/BigFiles/auth"
 	"github.com/metalogical/BigFiles/config"
 	"github.com/metalogical/BigFiles/server"
@@ -112,16 +111,19 @@ func main() {
 		IsAuthorized:    auth.GiteeAuth(),
 		SecretAccessKey: cfg.AwsSecretAccessKey,
 	})
+	srv := &http.Server{
+		Addr:         "0.0.0.0:5000",
+		Handler:      s,
+		ReadTimeout:  10 * time.Second,
+		WriteTimeout: 10 * time.Second,
+		IdleTimeout:  30 * time.Second,
+	}
 	if err != nil {
 		log.Fatalln(err)
 	}
 
-	if strings.HasPrefix(os.Getenv("AWS_EXECUTION_ENV"), "AWS_Lambda_") {
-		algnhsa.ListenAndServe(s, nil)
-	} else {
-		log.Println("serving on http://0.0.0.0:5000 ...")
-		if err := http.ListenAndServe("0.0.0.0:5000", s); err != nil {
-			log.Fatalln(err)
-		}
+	log.Println("serving on http://0.0.0.0:5000 ...")
+	if err := srv.ListenAndServe(); err != nil {
+		log.Fatalln(err)
 	}
 }