add hook, fix demo script

bin/demosite.sh

@@ -5,7 +5,6 @@ APP_NAME='wordpress'
 DEMO_PATH="/var/www/${DEMO_VH}"
 
 help_message(){
-    echo 'Command [-domain]'
     echo 'Script will get database password and wordpress password from .env file and install the demo wordpress site for you'
 }
 
@@ -16,17 +15,27 @@ check_input(){
     fi
 }
 
-run_database(){
-    bash bin/database.sh -domain ${DEMO_VH} -user ${MYSQL_USER} -password ${MYSQL_PASSWORD} -database ${MYSQL_DATABASE}
+store_credential(){
+    if [ -d "./sites/${1}" ]; then
+        if [ -f ./sites/${1}/.db_pass ]; then 
+            mv ./sites/${1}/.db_pass ./sites/${1}/.db_pass.bk
+        fi
+        cat > "./sites/${1}/.db_pass" << EOT
+"Database":"${MYSQL_DATABASE}"
+"Username":"${MYSQL_USER}"
+"Password":"$(echo ${MYSQL_PASSWORD} | tr -d "'")"
+EOT
+    else
+        echo "./sites/${1} not found, abort credential store!"
+    fi    
 }
 
-
 app_download(){
-    docker-compose exec litespeed su -c "appinstallctl.sh -app ${1} -domain ${2} -vhname localhost"
+    docker-compose exec litespeed su -c "appinstallctl.sh -app ${1} -domain ${2} -vhname ${DEMO_VH}"
 }
 
 main(){
-    run_database
+    store_credential ${DEMO_VH}
     app_download ${APP_NAME} ${DOMAIN}
 }