update doc

docker-compose.yml

@@ -6,10 +6,6 @@ db:
     - USERNAME=docker
     - PASS=docker
     - HSTORE=true
-  # TODO: Why are exposing ports to the host? This is
-  # TODO: an anti-pattern - TS
-  ports:
-    - "6543:5432"
     
 imposm:
   #image: imposm

readme.md

@@ -4,9 +4,9 @@ Next to ``docker-osm`` :
 ``git clone https://github.com/Gustry/docker-imposm.git``
 ``git clone https://github.com/Gustry/docker-postgis.git``
 
-``mkdir base-pbf import-queue import-done cache``
+``mkdir base-pbf``
 
-Copy a OSM file and its state file into 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.
 
 ``docker-compose build``
 ``docker-compose up``