diff --git a/docker-compose.yml b/docker-compose.yml
index 46cddef..8386dec 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,16 +6,17 @@ storage:
     - ./settings:/home/settings
 
 db:
-  #image: postgis
+  #image: etrimaille/postgis
+  #image: kartoza/postgis
   build: ../docker-postgis
   hostname: db
   environment:
     - USERNAME=docker
     - PASS=docker
-    - HSTORE=true
+    # - HSTORE=true
 
 imposm:
-  #image: imposm
+  #image: etrimaille/imposm
   build: ../docker-imposm3
   volumes_from:
     - storage
@@ -27,9 +28,12 @@ imposm:
     - PORT=5432
     - HOST=db
     - DATEBASE=gis
+    - TIME=120
 
 osmupdate:
-  #image: osmupdate
+  #image: etrimaille/osmupdate
   build: ../docker-osmupdate
   volumes_from:
     - storage
+  environment:
+    - TIME=120
\ No newline at end of file
diff --git a/readme.md b/readme.md
index f4c571d..67b5108 100644
--- a/readme.md
+++ b/readme.md
@@ -1,12 +1,5 @@
-Next to ``docker-osm`` :
-
-``git clone https://github.com/Gustry/docker-osmupdate.git``
-``git clone https://github.com/Gustry/docker-imposm.git``
-``git clone https://github.com/Gustry/docker-postgis.git``
-
-``mkdir base-pbf``
-
-Copy a OSM file and its state file(*.state.txt) into base-pbf. The state file contains the timestamp of the OSM file.
+Copy an OSM file (*.pbf) and its state file(*.state.txt) into base-pbf. The state file contains the timestamp of the OSM file.
+Check that a *.json is present in 'settings'.
 
 ``docker-compose build``
 ``docker-compose up``
\ No newline at end of file
diff --git a/settings/readme.md b/settings/readme.md
new file mode 100644
index 0000000..239b046
--- /dev/null
+++ b/settings/readme.md
@@ -0,0 +1 @@
+This folder should contain a json file for the mapping. You can also put a SQL file, it will be executed after the PBF import.
\ No newline at end of file