diff --git a/gorush/server.go b/gorush/server.go
index bcc55ff..99d6585 100644
--- a/gorush/server.go
+++ b/gorush/server.go
@@ -3,8 +3,6 @@ package gorush
 import (
 	"context"
 	"crypto/tls"
-	"encoding/base64"
-	"errors"
 	"fmt"
 	"net/http"
 
@@ -139,66 +137,3 @@ func routerEngine() *gin.Engine {
 
 	return r
 }
-
-// RunHTTPServer provide run http or https protocol.
-func RunHTTPServer() (err error) {
-	if !PushConf.Core.Enabled {
-		LogAccess.Debug("httpd server is disabled.")
-		return nil
-	}
-
-	server := &http.Server{
-		Addr:    PushConf.Core.Address + ":" + PushConf.Core.Port,
-		Handler: routerEngine(),
-	}
-
-	LogAccess.Debug("HTTPD server is running on " + PushConf.Core.Port + " port.")
-	if PushConf.Core.AutoTLS.Enabled {
-		return startServer(autoTLSServer())
-	} else if PushConf.Core.SSL {
-		config := &tls.Config{
-			MinVersion: tls.VersionTLS10,
-		}
-
-		if config.NextProtos == nil {
-			config.NextProtos = []string{"http/1.1"}
-		}
-
-		config.Certificates = make([]tls.Certificate, 1)
-		if PushConf.Core.CertPath != "" && PushConf.Core.KeyPath != "" {
-			config.Certificates[0], err = tls.LoadX509KeyPair(PushConf.Core.CertPath, PushConf.Core.KeyPath)
-			if err != nil {
-				LogError.Error("Failed to load https cert file: ", err)
-				return err
-			}
-		} else if PushConf.Core.CertBase64 != "" && PushConf.Core.KeyBase64 != "" {
-			cert, err := base64.StdEncoding.DecodeString(PushConf.Core.CertBase64)
-			if err != nil {
-				LogError.Error("base64 decode error:", err.Error())
-				return err
-			}
-			key, err := base64.StdEncoding.DecodeString(PushConf.Core.KeyBase64)
-			if err != nil {
-				LogError.Error("base64 decode error:", err.Error())
-				return err
-			}
-			if config.Certificates[0], err = tls.X509KeyPair(cert, key); err != nil {
-				LogError.Error("tls key pair error:", err.Error())
-				return err
-			}
-		} else {
-			return errors.New("missing https cert config")
-		}
-
-		server.TLSConfig = config
-	}
-
-	return startServer(server)
-}
-
-func startServer(s *http.Server) error {
-	if s.TLSConfig == nil {
-		return s.ListenAndServe()
-	}
-	return s.ListenAndServeTLS("", "")
-}
diff --git a/gorush/server_normal.go b/gorush/server_normal.go
new file mode 100644
index 0000000..a54a925
--- /dev/null
+++ b/gorush/server_normal.go
@@ -0,0 +1,73 @@
+// +build !lambda
+
+package gorush
+
+import (
+	"crypto/tls"
+	"encoding/base64"
+	"errors"
+	"net/http"
+)
+
+// RunHTTPServer provide run http or https protocol.
+func RunHTTPServer() (err error) {
+	if !PushConf.Core.Enabled {
+		LogAccess.Debug("httpd server is disabled.")
+		return nil
+	}
+
+	server := &http.Server{
+		Addr:    PushConf.Core.Address + ":" + PushConf.Core.Port,
+		Handler: routerEngine(),
+	}
+
+	LogAccess.Debug("HTTPD server is running on " + PushConf.Core.Port + " port.")
+	if PushConf.Core.AutoTLS.Enabled {
+		return startServer(autoTLSServer())
+	} else if PushConf.Core.SSL {
+		config := &tls.Config{
+			MinVersion: tls.VersionTLS10,
+		}
+
+		if config.NextProtos == nil {
+			config.NextProtos = []string{"http/1.1"}
+		}
+
+		config.Certificates = make([]tls.Certificate, 1)
+		if PushConf.Core.CertPath != "" && PushConf.Core.KeyPath != "" {
+			config.Certificates[0], err = tls.LoadX509KeyPair(PushConf.Core.CertPath, PushConf.Core.KeyPath)
+			if err != nil {
+				LogError.Error("Failed to load https cert file: ", err)
+				return err
+			}
+		} else if PushConf.Core.CertBase64 != "" && PushConf.Core.KeyBase64 != "" {
+			cert, err := base64.StdEncoding.DecodeString(PushConf.Core.CertBase64)
+			if err != nil {
+				LogError.Error("base64 decode error:", err.Error())
+				return err
+			}
+			key, err := base64.StdEncoding.DecodeString(PushConf.Core.KeyBase64)
+			if err != nil {
+				LogError.Error("base64 decode error:", err.Error())
+				return err
+			}
+			if config.Certificates[0], err = tls.X509KeyPair(cert, key); err != nil {
+				LogError.Error("tls key pair error:", err.Error())
+				return err
+			}
+		} else {
+			return errors.New("missing https cert config")
+		}
+
+		server.TLSConfig = config
+	}
+
+	return startServer(server)
+}
+
+func startServer(s *http.Server) error {
+	if s.TLSConfig == nil {
+		return s.ListenAndServe()
+	}
+	return s.ListenAndServeTLS("", "")
+}
diff --git a/pipeline.libsonnet b/pipeline.libsonnet
index 4d8df41..65e5015 100644
--- a/pipeline.libsonnet
+++ b/pipeline.libsonnet
@@ -128,6 +128,22 @@
           },
         },
       },
+      // {
+      //   name: 'build-push-lambda',
+      //   image: 'golang:1.13',
+      //   pull: 'always',
+      //   environment: {
+      //     CGO_ENABLED: '0',
+      //   },
+      //   commands: [
+      //     'go build -v -tags \'lambda\' -ldflags \'-X main.build=${DRONE_BUILD_NUMBER}\' -a -o release/' + os + '/' + arch + '/lambda/' + name,
+      //   ],
+      //   when: {
+      //     event: {
+      //       exclude: [ 'tag' ],
+      //     },
+      //   },
+      // },
       {
         name: 'build-tag',
         image: 'golang:1.13',