add ram env

docker-compose.yaml

@@ -3,11 +3,14 @@ version: '3'
 services:
   mc:
     build: .
-    image: ducoterra/minecraft_1.15.1:0.0.3
+    image: ducoterra/minecraft_1.15.1:0.0.5
     ports:
       - 25565:25565
     volumes:
       - ./data:/mc_data
     tty: true
     stdin_open: true
-    restart: always
+    restart: always
+    environment: 
+      - MAX_RAM=2
+      - MIN_RAM=1