diff --git a/Dockerfile b/Dockerfile
index 4bddbe9..cae3f1a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,8 +9,11 @@ WORKDIR /src/gitea-group-sync
 
 RUN go get gopkg.in/ldap.v3 && go get gopkg.in/robfig/cron.v3 && go build
 
+# Final
 FROM alpine:3.10
 
 COPY --from=build-env /src/gitea-group-sync/gitea-group-sync /app/gitea-group-sync/gitea-group-sync
+
 RUN ln -s /app/gitea-group-sync/gitea-group-sync /usr/local/bin/gitea-group-sync
+
 ENTRYPOINT ["/usr/local/bin/gitea-group-sync"]
diff --git a/docker-compose.yml b/docker-compose.yml
index 3184b8f..e3f6082 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,7 +3,7 @@ services:
   group-sync:
     container_name: gitea-group-sync
     build: .
-    image: localhost:5000/gitea-group-sync
+    image: gitea-group-sync:latest
     environment:
       GITEA_TOKEN: c00c810bb668c63ce7cd8057411d2f560eac469c
       GITEA_URL: http://192.168.2.2:3000
@@ -13,4 +13,5 @@ services:
       BIND_PASSWORD: GoodNewsEveryone
       LDAP_FILTER: (&(objectClass=person)(memberOf=cn=%s,ou=people,dc=planetexpress,dc=com))
       LDAP_USER_SEARCH_BASE: 'ou=people,dc=planetexpress,dc=com'
+      LDAP_USER_LOGIN_ATTRIBUTE: uid
       REP_TIME: '@every 1m'
diff --git a/gitea-group-sync.go b/gitea-group-sync.go
index 24540e3..9cf241b 100644
--- a/gitea-group-sync.go
+++ b/gitea-group-sync.go
@@ -137,6 +137,13 @@ func mainJob() {
 		ldapUserSearchBase = os.Getenv("LDAP_USER_SEARCH_BASE")
 	}
 
+	var ldapUserLoginAttribute string
+	if len(os.Getenv("LDAP_USER_LOGIN_ATTRIBUTE")) == 0 {
+		log.Println("LDAP_USER_LOGIN_ATTRIBUTE is empty")
+	} else {
+		ldapUserLoginAttribute = os.Getenv("LDAP_USER_LOGIN_ATTRIBUTE")
+	}
+
 	l, err := ldap.DialTLS("tcp", fmt.Sprintf("%s:%d", ldapUrl, ldapPort), &tls.Config{InsecureSkipVerify: true})
 	if err != nil {
 		fmt.Println(err)
@@ -178,7 +185,7 @@ func mainJob() {
 					ldapUserSearchBase, // The base dn to search
 					ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,
 					filter, // The filter to apply
-					[]string{"cn", "uid", "mailPrimaryAddress, sn"}, // A list attributes to retrieve
+					[]string{"cn", "uid", "mailPrimaryAddress, sn", ldapUserLoginAttribute}, // A list attributes to retrieve
 					nil,
 				)
 				// make request to ldap server
@@ -193,9 +200,9 @@ func mainJob() {
 					log.Printf("The LDAP %s has %d users corresponding to team %s", ldapUrl, len(sr.Entries), teamList[j].Name)
 					for _, entry := range sr.Entries {
 
-						AccountsLdap[entry.GetAttributeValue("uid")] = Account{
+						AccountsLdap[entry.GetAttributeValue(ldapUserLoginAttribute)] = Account{
 							Full_name: entry.GetAttributeValue("sn"),  //change to cn if you need it
-							Login:     entry.GetAttributeValue("uid"),
+							Login:     entry.GetAttributeValue(ldapUserLoginAttribute),
 						}
 					}