diff --git a/vanilla/Dockerfile b/vanilla/Dockerfile
index 8c9cff5..592414e 100644
--- a/vanilla/Dockerfile
+++ b/vanilla/Dockerfile
@@ -20,8 +20,15 @@ LABEL maintainer="Ryan Sheehan <rsheehan@gmail.com>"
 
 EXPOSE 7777
 
+# env used in the bootstrap
+ENV CONFIGPATH=/root/.local/share/Terraria/Worlds
+ENV WORLD_FILENAME=""
+
 VOLUME ["/root/.local/share/Terraria/Worlds", "/config"]
 
 COPY --from=base /terraria-server/ /terraria-server/
 
-ENTRYPOINT ["mono", "/terraria-server/TerrariaServer.exe"]
\ No newline at end of file
+# add the bootstrap file
+COPY bootstrap.sh /terraria-server/bootstrap.sh
+RUN chmod +x /terraria-server/bootstrap.sh
+ENTRYPOINT ["/terraria-server/bootstrap.sh"]
diff --git a/vanilla/bootstrap.sh b/vanilla/bootstrap.sh
new file mode 100755
index 0000000..33c6ed2
--- /dev/null
+++ b/vanilla/bootstrap.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+if [ -z "$WORLD_FILENAME" ]; then
+    /terraria-server/TerrariaServer $@
+else
+    /terraria-server/TerrariaServer -world $CONFIGPATH/$WORLD_FILENAME $@
+fi