diff --git a/Dockerfile b/Dockerfile
index d1d94d8f..e584bd80 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,6 +33,7 @@ RUN mix local.hex --force && \
 
 # set build ENV
 ENV MIX_ENV="prod"
+ENV ERL_FLAGS="+JPperf true"
 
 # install mix dependencies
 COPY mix.exs mix.lock ./