diff --git a/Makefile b/Makefile
new file mode 100644
index 000000000..844c67172
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,11 @@
+BINARY = weed
+
+SOURCE_DIR = .
+
+all: install
+
+install:
+	cd weed; go install
+
+full_install:
+	cd weed; go install -tags "elastic gocdk"
diff --git a/weed/command/filer_meta_tail.go b/weed/command/filer_meta_tail.go
index 51c4e7128..7dbeee444 100644
--- a/weed/command/filer_meta_tail.go
+++ b/weed/command/filer_meta_tail.go
@@ -1,12 +1,9 @@
 package command
 
 import (
-	"context"
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/pb"
 	"github.com/golang/protobuf/jsonpb"
-	jsoniter "github.com/json-iterator/go"
-	elastic "github.com/olivere/elastic/v7"
 	"os"
 	"path/filepath"
 	"strings"
@@ -124,72 +121,3 @@ func runFilerMetaTail(cmd *Command, args []string) bool {
 
 	return true
 }
-
-type EsDocument struct {
-	Dir         string `json:"dir,omitempty"`
-	Name        string `json:"name,omitempty"`
-	IsDirectory bool   `json:"isDir,omitempty"`
-	Size        uint64 `json:"size,omitempty"`
-	Uid         uint32 `json:"uid,omitempty"`
-	Gid         uint32 `json:"gid,omitempty"`
-	UserName    string `json:"userName,omitempty"`
-	Collection  string `json:"collection,omitempty"`
-	Crtime      int64  `json:"crtime,omitempty"`
-	Mtime       int64  `json:"mtime,omitempty"`
-	Mime        string `json:"mime,omitempty"`
-}
-
-func toEsEntry(event *filer_pb.EventNotification) (*EsDocument, string) {
-	entry := event.NewEntry
-	dir, name := event.NewParentPath, entry.Name
-	id := util.Md5String([]byte(util.NewFullPath(dir, name)))
-	esEntry := &EsDocument{
-		Dir:         dir,
-		Name:        name,
-		IsDirectory: entry.IsDirectory,
-		Size:        entry.Attributes.FileSize,
-		Uid:         entry.Attributes.Uid,
-		Gid:         entry.Attributes.Gid,
-		UserName:    entry.Attributes.UserName,
-		Collection:  entry.Attributes.Collection,
-		Crtime:      entry.Attributes.Crtime,
-		Mtime:       entry.Attributes.Mtime,
-		Mime:        entry.Attributes.Mime,
-	}
-	return esEntry, id
-}
-
-func sendToElasticSearchFunc(servers string, esIndex string) (func(resp *filer_pb.SubscribeMetadataResponse) error, error) {
-	options := []elastic.ClientOptionFunc{}
-	options = append(options, elastic.SetURL(strings.Split(servers, ",")...))
-	options = append(options, elastic.SetSniff(false))
-	options = append(options, elastic.SetHealthcheck(false))
-	client, err := elastic.NewClient(options...)
-	if err != nil {
-		return nil, err
-	}
-	return func(resp *filer_pb.SubscribeMetadataResponse) error {
-		event := resp.EventNotification
-		if event.OldEntry != nil &&
-			(event.NewEntry == nil || resp.Directory != event.NewParentPath || event.OldEntry.Name != event.NewEntry.Name) {
-			// delete or not update the same file
-			dir, name := resp.Directory, event.OldEntry.Name
-			id := util.Md5String([]byte(util.NewFullPath(dir, name)))
-			println("delete", id)
-			_, err := client.Delete().Index(esIndex).Id(id).Do(context.Background())
-			return err
-		}
-		if event.NewEntry != nil {
-			// add a new file or update the same file
-			esEntry, id := toEsEntry(event)
-			value, err := jsoniter.Marshal(esEntry)
-			if err != nil {
-				return err
-			}
-			println(string(value))
-			_, err = client.Index().Index(esIndex).Id(id).BodyJson(string(value)).Do(context.Background())
-			return err
-		}
-		return nil
-	}, nil
-}
diff --git a/weed/command/filer_meta_tail_elastic.go b/weed/command/filer_meta_tail_elastic.go
new file mode 100644
index 000000000..4c5b606a3
--- /dev/null
+++ b/weed/command/filer_meta_tail_elastic.go
@@ -0,0 +1,82 @@
+//go:build elastic
+// +build elastic
+
+package command
+
+import (
+	"context"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	jsoniter "github.com/json-iterator/go"
+	elastic "github.com/olivere/elastic/v7"
+	"strings"
+)
+
+type EsDocument struct {
+	Dir         string `json:"dir,omitempty"`
+	Name        string `json:"name,omitempty"`
+	IsDirectory bool   `json:"isDir,omitempty"`
+	Size        uint64 `json:"size,omitempty"`
+	Uid         uint32 `json:"uid,omitempty"`
+	Gid         uint32 `json:"gid,omitempty"`
+	UserName    string `json:"userName,omitempty"`
+	Collection  string `json:"collection,omitempty"`
+	Crtime      int64  `json:"crtime,omitempty"`
+	Mtime       int64  `json:"mtime,omitempty"`
+	Mime        string `json:"mime,omitempty"`
+}
+
+func toEsEntry(event *filer_pb.EventNotification) (*EsDocument, string) {
+	entry := event.NewEntry
+	dir, name := event.NewParentPath, entry.Name
+	id := util.Md5String([]byte(util.NewFullPath(dir, name)))
+	esEntry := &EsDocument{
+		Dir:         dir,
+		Name:        name,
+		IsDirectory: entry.IsDirectory,
+		Size:        entry.Attributes.FileSize,
+		Uid:         entry.Attributes.Uid,
+		Gid:         entry.Attributes.Gid,
+		UserName:    entry.Attributes.UserName,
+		Collection:  entry.Attributes.Collection,
+		Crtime:      entry.Attributes.Crtime,
+		Mtime:       entry.Attributes.Mtime,
+		Mime:        entry.Attributes.Mime,
+	}
+	return esEntry, id
+}
+
+func sendToElasticSearchFunc(servers string, esIndex string) (func(resp *filer_pb.SubscribeMetadataResponse) error, error) {
+	options := []elastic.ClientOptionFunc{}
+	options = append(options, elastic.SetURL(strings.Split(servers, ",")...))
+	options = append(options, elastic.SetSniff(false))
+	options = append(options, elastic.SetHealthcheck(false))
+	client, err := elastic.NewClient(options...)
+	if err != nil {
+		return nil, err
+	}
+	return func(resp *filer_pb.SubscribeMetadataResponse) error {
+		event := resp.EventNotification
+		if event.OldEntry != nil &&
+			(event.NewEntry == nil || resp.Directory != event.NewParentPath || event.OldEntry.Name != event.NewEntry.Name) {
+			// delete or not update the same file
+			dir, name := resp.Directory, event.OldEntry.Name
+			id := util.Md5String([]byte(util.NewFullPath(dir, name)))
+			println("delete", id)
+			_, err := client.Delete().Index(esIndex).Id(id).Do(context.Background())
+			return err
+		}
+		if event.NewEntry != nil {
+			// add a new file or update the same file
+			esEntry, id := toEsEntry(event)
+			value, err := jsoniter.Marshal(esEntry)
+			if err != nil {
+				return err
+			}
+			println(string(value))
+			_, err = client.Index().Index(esIndex).Id(id).BodyJson(string(value)).Do(context.Background())
+			return err
+		}
+		return nil
+	}, nil
+}
diff --git a/weed/command/filer_meta_tail_non_elastic.go b/weed/command/filer_meta_tail_non_elastic.go
new file mode 100644
index 000000000..f78f3ee09
--- /dev/null
+++ b/weed/command/filer_meta_tail_non_elastic.go
@@ -0,0 +1,14 @@
+//go:build !elastic
+// +build !elastic
+
+package command
+
+import (
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+)
+
+func sendToElasticSearchFunc(servers string, esIndex string) (func(resp *filer_pb.SubscribeMetadataResponse) error, error) {
+	return func(resp *filer_pb.SubscribeMetadataResponse) error {
+		return nil
+	}, nil
+}
diff --git a/weed/filer/elastic/v7/doc.go b/weed/filer/elastic/v7/doc.go
new file mode 100644
index 000000000..704bbf6de
--- /dev/null
+++ b/weed/filer/elastic/v7/doc.go
@@ -0,0 +1,9 @@
+/*
+
+Package elastic is for elastic filer store.
+
+The referenced "github.com/olivere/elastic/v7" library is too big when compiled.
+So this is only compiled in "make full_install".
+
+*/
+package elastic
diff --git a/weed/filer/elastic/v7/elastic_store.go b/weed/filer/elastic/v7/elastic_store.go
index a16e5ebca..cb2c66f5a 100644
--- a/weed/filer/elastic/v7/elastic_store.go
+++ b/weed/filer/elastic/v7/elastic_store.go
@@ -1,3 +1,6 @@
+//go:build elastic
+// +build elastic
+
 package elastic
 
 import (
diff --git a/weed/filer/elastic/v7/elastic_store_kv.go b/weed/filer/elastic/v7/elastic_store_kv.go
index 99c03314e..43835c153 100644
--- a/weed/filer/elastic/v7/elastic_store_kv.go
+++ b/weed/filer/elastic/v7/elastic_store_kv.go
@@ -1,3 +1,6 @@
+//go:build elastic
+// +build elastic
+
 package elastic
 
 import (
diff --git a/weed/notification/gocdk_pub_sub/doc.go b/weed/notification/gocdk_pub_sub/doc.go
new file mode 100644
index 000000000..d7fbb9f78
--- /dev/null
+++ b/weed/notification/gocdk_pub_sub/doc.go
@@ -0,0 +1,9 @@
+/*
+
+Package gocdk_pub_sub is for Azure Service Bus and RabbitMQ.
+
+The referenced "gocloud.dev/pubsub" library is too big when compiled.
+So this is only compiled in "make full_install".
+
+*/
+package gocdk_pub_sub
diff --git a/weed/notification/gocdk_pub_sub/gocdk_pub_sub.go b/weed/notification/gocdk_pub_sub/gocdk_pub_sub.go
index 01c4d901f..f31b6997e 100644
--- a/weed/notification/gocdk_pub_sub/gocdk_pub_sub.go
+++ b/weed/notification/gocdk_pub_sub/gocdk_pub_sub.go
@@ -1,3 +1,6 @@
+//go:build gocdk
+// +build gocdk
+
 // Package gocdk_pub_sub supports the Go CDK (Cloud Development Kit) PubSub API,
 // which in turn supports many providers, including Amazon SNS/SQS, Azure Service Bus,
 // Google Cloud PubSub, and RabbitMQ.
diff --git a/weed/replication/sub/notification_gocdk_pub_sub.go b/weed/replication/sub/notification_gocdk_pub_sub.go
index b16eec2e1..cb690e3ce 100644
--- a/weed/replication/sub/notification_gocdk_pub_sub.go
+++ b/weed/replication/sub/notification_gocdk_pub_sub.go
@@ -1,3 +1,6 @@
+//go:build gocdk
+// +build gocdk
+
 package sub
 
 import (