diff --git a/doc/osmCoverage.md b/doc/osmCoverage.md
index 591cc36..425d8ca 100644
--- a/doc/osmCoverage.md
+++ b/doc/osmCoverage.md
@@ -46,11 +46,12 @@
 
 2) `WORKAREA=$pwd`
 
-2) `mkdir $HOME/pg_data`
+3) `mkdir $HOME/pg_data`
 
-3) `docker run --name=osmdb -d -e POSTGRES_USER=alex -e POSTGRES_PASS=password -e POSTGRES_DBNAME=osmdb -e ALLOW_IP_RANGE=0.0.0.0/0 -p 5432:5432 -v $HOME/pg_data:/var/lib/postgresql --restart=always kartoza/postgis:9.6-2.4`  
+4) `docker run --name=osmdb -m 2g -d -e POSTGRES_USER=alex -e POSTGRES_PASS=password -e POSTGRES_DBNAME=osmdb -e ALLOW_IP_RANGE=0.0.0.0/0 -p 5432:5432 -v $HOME/pg_data:/var/lib/postgresql --restart=always kartoza/postgis:9.6-2.4`  
 
- * --name=osmdb
+ * `--name=osmdb`
+ * `-m 2g`                              momory 2GB
  * `-e POSTGRES_USER=alex`
  * `-e POSTGRES_PASS=password`
  * `-e POSTGRES_DBNAME=osmdb`
@@ -60,32 +61,33 @@
  * `--restart=always`
 
 ```
-
 $ docker pull kartoza/postgis:9.6-2.4
 $ mkdir 
 $ mkdir $HOME/pg_data
-$ docker run --name=osmdb -d -e POSTGRES_USER=alex -e POSTGRES_PASS=password -e POSTGRES_DBNAME=osmdb -e ALLOW_IP_RANGE=0.0.0.0/0 -p 5432:5432 -v $HOME/pg_data:/var/lib/postgresql --restart=always kartoza/postgis:9.6-2.4
+$ docker run -m 2g --name=osmdb -d -e POSTGRES_USER=alex -e POSTGRES_PASS=password -e POSTGRES_DBNAME=osmdb -e ALLOW_IP_RANGE=0.0.0.0/0 -p 5432:5432 -v $HOME/pg_data:/var/lib/postgresql --restart=always kartoza/postgis:9.6-2.4
 $ 
 ```
 
 
 "pgAdmin4"で接続を確認する
 
-1) `docker run --name=pgadmin4 -p 80:80 -e "PGADMIN_DEFAULT_EMAIL=gisuser@domain.com" -e "PGADMIN_DEFAULT_PASSWORD=gisuser" -d dpage/pgadmin4`
+1) `docker pull dpage/pgadmin4`
+
+2) `docker run --name=pgadmin4 -p 80:80 -e "PGADMIN_DEFAULT_EMAIL=gisuser@domain.com" -e "PGADMIN_DEFAULT_PASSWORD=gisuser" -d dpage/pgadmin4`
 
  * --name=pgadmin4
  * -e "PGADMIN_DEFAULT_EMAIL=gisuser@domain.com"
  * -e "PGADMIN_DEFAULT_PASSWORD=gisuser"
 
-2) pgAdmin4 : Login
+3) pgAdmin4 : Login
 
  * `http://localhost/`
  * userid: `gisuser@domain.com`
  * password: `gisuser`
 
-3) pgAdmin4 : 接続 / Connection
+4) pgAdmin4 : 接続 / Connection
 
- * host name: `localhost`
+ * host name: `172.17.0.1`
  * port: `5432`
  * database admin: `postgres`
  * user name: `alex`
@@ -98,7 +100,7 @@
 
 ```
 db_driver=org.postgresql.Driver
-db_url=jdbc:postgresql://localhost:5432/gis
+db_url=jdbc:postgresql://172.17.0.1:5432/osmdb
 db_user=alex
 db_passwd=password
 ```