diff --git a/README.md b/README.md
index 30f0411..2efc1c4 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ dokku plugin:install https://github.com/dokku/dokku-postgres.git postgres
 ```
 postgres:clone <name> <new-name>  Create container <new-name> then copy data from <name> into <new-name>
 postgres:connect <name>           Connect via psql to a postgres service
-postgres:create <name>            Create a postgres service
+postgres:create <name> <env=val>  Create a postgres service with environment variables
 postgres:destroy <name>           Delete the service and stop its container if there are no links left
 postgres:export <name>            Export a dump of the postgres service database
 postgres:expose <name> [port]     Expose a postgres service on custom port if provided (random port otherwise)
diff --git a/commands b/commands
index 46dcadb..e9f6f07 100755
--- a/commands
+++ b/commands
@@ -31,8 +31,12 @@ case "$1" in
     touch "$LINKS_FILE"
 
     dokku_log_info1 "Starting container"
+    ENVIRONMENT=""
+    for arg in "${@:2}"; do
+     ENVIRONMENT="$ENVIRONMENT -e $arg"
+    done
     SERVICE_NAME=$(get_service_name "$SERVICE")
-    ID=$(docker run --name "$SERVICE_NAME" -v "$SERVICE_ROOT/data:/var/lib/postgresql/data" -e "POSTGRES_PASSWORD=$password" -d --restart always --label dokku=service --label dokku.service=postgres "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION")
+    ID=$(docker run --name "$SERVICE_NAME" -v "$SERVICE_ROOT/data:/var/lib/postgresql/data" $ENVIRONMENT -e "POSTGRES_PASSWORD=$password" -d --restart always --label dokku=service --label dokku.service=postgres "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION")
     echo "$ID" > "$SERVICE_ROOT/ID"
 
     dokku_log_verbose_quiet "Waiting for container to be ready"