diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 8afe2b5..ee2f1d1 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -27,9 +27,13 @@ services:
     # stdin_open is the -i option in docker exec
     stdin_open: true
     environment:
-      - "WITH_DOCKER=${WITH_DOCKER:-y}"
+      # environment variables only for Docker
+      - WITH_DOCKER=y
+      - MYSQL_ROOT_LOGIN=root
+      - MYSQL_TCP_PORT=3306
+      # environment variables available for both Docker usage and non Docker usage
       - "MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD:-root}"
-      - "MYSQL_TCP_PORT=${MYSQL_TCP_PORT:-3306}"
+      
       #- "IP_PYROS_USER=${IP_PYROS_USER:-172.28.1.5}"
     volumes:
       - ..:/home/pyros_user/app
--
libgit2 0.21.2