diff --git a/Dockerfile b/Dockerfile
index 532664e..ec22160 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM elixir:1.11.4-alpine
 ARG PLEROMA_VER=develop
 ARG UID=911
 ARG GID=911
-ENV UID=911 GID=911 MIX_ENV=prod
+ENV MIX_ENV=prod
 
 RUN echo "http://nl.alpinelinux.org/alpine/latest-stable/community" >> /etc/apk/repositories \
     && apk update \