diff --git a/README.md b/README.md
index 64f0e3c..2c26dd2 100644
--- a/README.md
+++ b/README.md
@@ -48,8 +48,8 @@ services:
       build: 
          context: .
          args:
-            version: 2.2.13
-# if you prefer using an image (not created yet)
+            version: 3.1.5
+# if you prefer using a pre-built image
 #      image: julienfastre/sogo:3.1
       links: 
          - db
@@ -92,6 +92,6 @@ Example of how to build this image :
 # download sources
 $ git clone https://framagit.org/julienfastre/docker-sogo.git
 $ cd docker-sogo
-# launch the build using the version 3.1.4
-$ docker build --build-arg version=3.1.4 .
+# launch the build using the version 3.1.5
+$ docker build --build-arg version=3.1.5 .
 ```
diff --git a/docker-compose.yml b/docker-compose.yml
index 9861fec..cc4a55b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,18 +2,18 @@ version: '2'
 
 services:
    sogo:
-      build: 
-         context: .
-         args:
-            - version=2.3.15
-
+#      if you want to build your own image
+#      build: 
+#         context: .
+#         args:
+#            - version=2.3.16
+#     if you want to use builded image
+      image: julienfastre/sogo:3.1
       links: 
          - db
-      environment:
-         - "WorkersCount=10"
       volumes:
          - /usr/local/lib/GNUstep/SOGo/WebServerResources/
-         - /home/julienfastre/Documents/informatique/sogo-compil/sogo.conf:/etc/sogo/sogo.conf
+         - /path/to/my/sogo.conf:/etc/sogo/sogo.conf
    db:
       image: postgres:9.5
       ports: