diff --git a/Dockerfile b/Dockerfile
index 9cfa3bc4..e05417e6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,6 +10,6 @@ EXPOSE 9010
 EXPOSE 9011
 EXPOSE 9012
 EXPOSE 9013
-COPY --from=builder /go/croc/croc /croc
-ENTRYPOINT ["/croc"]
+COPY --from=builder /go/croc/croc /go/croc/croc-entrypoint.sh /
+ENTRYPOINT ["/croc-entrypoint.sh"]
 CMD ["relay"]
diff --git a/README.md b/README.md
index f7b9d629..fa69452f 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
diff --git a/croc-entrypoint.sh b/croc-entrypoint.sh
new file mode 100755
index 00000000..c0350286
--- /dev/null
+++ b/croc-entrypoint.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+set -e
+if [ -n "$CROC_PASS" ]; then
+    set -- --pass "$CROC_PASS" "$@"
+fi
+exec /croc "$@"