Merge pull request 'add db config' (#3) from feature/dockerize into develop

Reviewed-on: http://git.witel.ir/RMS/backend/pulls/3

docker-compose.yml

@@ -5,10 +5,10 @@ services:
     ports:
       - "3307:3306"
     environment:
-      MARIADB_DATABASE: ${MARIADB_DATABASE}
-      MARIADB_USER: ${MARIADB_USER}
-      MARIADB_PASSWORD: ${MARIADB_PASSWORD}
-      MARIADB_ROOT_PASSWORD: ${MARIADB_ROOT_PASSWORD}
+      MARIADB_DATABASE: ${DB_DATABASE}
+      MARIADB_USER: ${DB_USERNAME}
+      MARIADB_PASSWORD: ${DB_PASSWORD}
+      MARIADB_ROOT_PASSWORD: ${DB_PASSWORD}
     volumes:
       - /var/www/rmsdb:/var/lib/mysql
     networks: