diff --git a/Dockerfile b/Dockerfile
index 5963be3..95789f4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,10 @@
 FROM itzg/minecraft-server:latest
 
+ENV EULA=TRUE
+ENV TYPE=NEOFORGE
+ENV VERSION=1.21.1
+ENV MEMORY=8G
+
 COPY mods/ /mods/
 
 EXPOSE 25565/tcp