diff --git a/.gitignore b/.gitignore
index d52842f..9ed5a7d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,6 @@
 # git secret hidden
 .env
 wg-server/initial_config/wg-server.conf
+
+# docker data
+data/
diff --git a/docker-compose.yml b/docker-compose.yml
index ec7f71d..a32ed73 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,7 +5,7 @@
     volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
 
-     - http-proxy-acme:/acme:rw
+     - ./data/http-proxy-acme:/acme:rw
 
     ports:
      - 80:80
@@ -97,20 +97,6 @@
       - traefik.http.routers.wiki-server.tls.certresolver=letsencrypt
       - traefik.http.services.wiki-server.loadbalancer.server.port=3000
 
-volumes:
-  # http proxy
-  http-proxy-acme:
-
-  # ldap
-  ldap-server-db:
-  ldap-server-config:
-
-  # wg
-  wg-server-ui-data:
-
-  # wiki
-  wiki-db-data:
-
 networks:
   # global network for web services
   web:
diff --git a/ldap-server/docker-compose.yml b/ldap-server/docker-compose.yml
index 1943145..4d0bd7e 100644
--- a/ldap-server/docker-compose.yml
+++ b/ldap-server/docker-compose.yml
@@ -18,8 +18,8 @@
       # bootstrap
       - ./bootstrap-ldif:/container/service/slapd/assets/config/bootstrap/ldif/custom:ro
       # database
-      - ldap-server-db:/var/lib/ldap:rw
-      - ldap-server-config:/etc/ldap/slapd.d:rw
+      - ../data/ldap-server-db:/var/lib/ldap:rw
+      - ../data/ldap-server-config:/etc/ldap/slapd.d:rw
 
     command:
       - "--copy-service"  # do not modify bootstrap file
@@ -36,7 +36,3 @@
       - ./config/ldap-passwd-settings.ini:/opt/ldap-passwd-webui/settings.ini:ro
 
     restart: unless-stopped
-
-volumes:
-  ldap-server-db:
-  ldap-server-config:
diff --git a/wg-server/docker-compose.yml b/wg-server/docker-compose.yml
index 0b81114..e28b055 100644
--- a/wg-server/docker-compose.yml
+++ b/wg-server/docker-compose.yml
@@ -8,7 +8,7 @@
 
     volumes:
       - ./initial_config:/initial_config:ro
-      - wg-server-ui-data:/app/data:rw
+      - ../data/wg-server-ui-data:/app/data:rw
 
     extra_hosts:
       - "host.docker.internal:host-gateway"
@@ -42,6 +42,3 @@
       - LDAP_SYNC_FILTER=(&(objectClass=organizationalPerson)(uid=*))
 
     restart: unless-stopped
-
-volumes:
-  wg-server-ui-data:
diff --git a/wiki/docker-compose.yml b/wiki/docker-compose.yml
index 595b4a2..e665048 100644
--- a/wiki/docker-compose.yml
+++ b/wiki/docker-compose.yml
@@ -10,7 +10,7 @@
     restart: unless-stopped
 
     volumes:
-      - wiki-db-data:/var/lib/postgresql/data
+      - ../data/wiki-db-data:/var/lib/postgresql/data:rw
 
   # server
   wiki-server:
@@ -25,6 +25,3 @@
       DB_PASS: ${WIKI_DB_PASSWORD}
 
     restart: unless-stopped
-
-volumes:
-  wiki-db-data: