diff --git a/Dockerfile b/Dockerfile
index 9cfa3bc..2b693ac 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,5 +11,4 @@ EXPOSE 9011
 EXPOSE 9012
 EXPOSE 9013
 COPY --from=builder /go/croc/croc /croc
-ENTRYPOINT ["/croc"]
-CMD ["relay"]
+CMD ["sh", "-c", "/croc --pass $CROC_PASS relay"]
diff --git a/README.md b/README.md
index 68acb0d..7c4e1c2 100644
--- a/README.md
+++ b/README.md
@@ -132,7 +132,7 @@ If it's easier you can also run a relay with Docker:
 
 
 ```
-$ docker run -d -p 9009:9009 -p 9010:9010 -p 9011:9011 -p 9012:9012 -p 9013:9013 schollz/croc
+$ docker run -d -p 9009:9009 -p 9010:9010 -p 9011:9011 -p 9012:9012 -p 9013:9013 -e CROC_PASS YOURPASSWORD schollz/croc
 ```
 
 ## License