chore: env files for docker-compose

docker-compose.yml

@@ -5,8 +5,8 @@ services:
     image: wonderlandpark/mariadb-mroonga:latest
     hostname: mysql
     container_name: mysql
-    environment:
-      MARIADB_ROOT_PASSWORD: "${MARIADB_ROOT_PASSWORD}"
+    env_file:
+      - .env
     command:
       - --character-set-server=utf8mb4
       - --collation-server=utf8mb4_unicode_ci
@@ -18,4 +18,6 @@ services:
       - 4000:3000
     links:
       - mysql
+    env_file:
+      - .env.production.local
     image: wonderlandpark/koreanbots:latest