diff --git a/cmd/linkwallet/linkwallet.go b/cmd/linkwallet/linkwallet.go
index 343d48d..515829e 100644
--- a/cmd/linkwallet/linkwallet.go
+++ b/cmd/linkwallet/linkwallet.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"flag"
 	"log"
 
 	"github.com/tardisx/linkwallet/db"
@@ -10,8 +11,19 @@ import (
 
 func main() {
 
+	var dbPath string
+	flag.StringVar(&dbPath, "db-path", "", "path to the database file")
+	flag.Parse()
+
+	if dbPath == "" {
+		log.Fatal("You need to specify the path to the database file with -db-path")
+	}
+
 	dbh := db.DB{}
-	dbh.Open("badger")
+	err := dbh.Open(dbPath)
+	if err != nil {
+		log.Fatal(err)
+	}
 	bmm := db.NewBookmarkManager(&dbh)
 	cmm := db.NewConfigManager(&dbh)
 
diff --git a/db/db.go b/db/db.go
index d3fdd31..819559b 100644
--- a/db/db.go
+++ b/db/db.go
@@ -1,6 +1,7 @@
 package db
 
 import (
+	"fmt"
 	"log"
 
 	"github.com/tardisx/linkwallet/entity"
@@ -11,16 +12,16 @@ type DB struct {
 	store *bolthold.Store
 }
 
-func (db *DB) Open(dir string) {
+func (db *DB) Open(path string) error {
 	// options := bolthold.DefaultOptions
 	// options.Dir = dir
 	// options.ValueDir = dir
-	store, err := bolthold.Open("bolt.db", 0666, nil)
+	store, err := bolthold.Open(path, 0666, nil)
 	if err != nil {
-		panic(err)
-
+		return fmt.Errorf("cannot open '%s' - %s", path, err)
 	}
 	db.store = store
+	return nil
 }
 
 func (db *DB) Close() {
diff --git a/docker-compose.yml-sample b/docker-compose.yml-sample
new file mode 100644
index 0000000..67ff9bb
--- /dev/null
+++ b/docker-compose.yml-sample
@@ -0,0 +1,12 @@
+---
+version: "2.1"
+services:
+  linkwallet:
+    image: tardisx/linkwallet:latest
+    container_name: linkwallet
+    command: /app/linkwallet -db-path=/data/linkwallet.db
+    volumes:
+      - /home/username/.linkwallet:/data
+    ports:
+      - 8109:8080
+    restart: unless-stopped
\ No newline at end of file
diff --git a/version/version.go b/version/version.go
index 343eff7..668ca9d 100644
--- a/version/version.go
+++ b/version/version.go
@@ -8,7 +8,7 @@ import (
 	"golang.org/x/mod/semver"
 )
 
-const Tag = "v0.0.11"
+const Tag = "v0.0.12"
 
 var versionInfo struct {
 	Local struct {