environment var changes

docker-compose.yml

@@ -8,11 +8,10 @@ services:
     working_dir: /app
     command: node server.js
     environment:
-      - DBURL=${DBURL}
-      - DBPORT=${DBPORT}
-      - DBUSER=${DBUSER}
-      - DBPWD=${DBPWD}
-      - DBNAME=${DBNAME}
+      - DB_HOST=${DB_HOST}
+      - DB_USER=${DB_USER}
+      - DB_PWD=${DB_PWD}
+      - DB_NAME=${DB_NAME}
     depends_on:
       - mysql