diff --git a/server/config/sftp/docker-compose.yml b/server/config/sftp/docker-compose.yml
index efeb581..2918f4d 100644
--- a/server/config/sftp/docker-compose.yml
+++ b/server/config/sftp/docker-compose.yml
@@ -9,3 +9,7 @@ services:
     volumes:
       - ${DOCKER_DATA}/data:/home/sftp/upload
       - ./users.conf:/etc/sftp/users.conf:ro
+
+# https://hub.docker.com/r/atmoz/sftp
+# hash a password:
+# echo -n "your-password" | docker run -i --rm atmoz/makepasswd --crypt-md5 --clearfrom=-
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