diff --git a/front/Dockerfile b/front/Dockerfile
index 01dcf661..0a5ec067 100644
--- a/front/Dockerfile
+++ b/front/Dockerfile
@@ -19,6 +19,7 @@ ARG JITSI_URL
 ARG JITSI_PRIVATE_MODE
 ARG PUSHER_URL
 ARG ADMIN_URL
+ARG STUN_SERVER
 ARG TURN_SERVER
 ARG TURN_USER
 ARG TURN_PASSWORD
@@ -28,26 +29,27 @@ ARG START_ROOM_URL
 ARG DISABLE_NOTIFICATIONS
 ARG SKIP_RENDER_OPTIMIZATIONS
 
-ENV NODE_ENV=production
-ENV DEBUG_MODE=$DEBUG_MODE
-ENV JITSI_URL=$JITSI_URL
-ENV JITSI_PRIVATE_MODE=$JITSI_PRIVATE_MODE
-ENV PUSHER_URL=$PUSHER_URL
-ENV ADMIN_URL=$ADMIN_URL
-ENV TURN_SERVER=$TURN_SERVER
-ENV TURN_USER=$TURN_USER
-ENV TURN_PASSWORD=$TURN_PASSWORD
-ENV MAX_PER_GROUP=$MAX_PER_GROUP
-ENV MAX_USERNAME_LENGTH=$MAX_USERNAME_LENGTH
-ENV START_ROOM_URL=$START_ROOM_URL
-ENV DISABLE_NOTIFICATIONS=$DISABLE_NOTIFICATIONS
-ENV SKIP_RENDER_OPTIMIZATIONS=$SKIP_RENDER_OPTIMIZATIONS
-
 # Removing the iframe.html file from the final image as this adds a XSS attack.
 # iframe.html is only in dev mode to circumvent a limitation
+ENV NODE_ENV=production
 RUN rm dist/iframe.html
 RUN ./templater.sh
-RUN yarn run build
+RUN  \
+  DEBUG_MODE=$DEBUG_MODE \
+  JITSI_URL=$JITSI_URL \
+  JITSI_PRIVATE_MODE=$JITSI_PRIVATE_MODE \
+  PUSHER_URL=$PUSHER_URL \
+  ADMIN_URL=$ADMIN_URL \
+  STUN_SERVER=$STUN_SERVER \
+  TURN_SERVER=$TURN_SERVER \
+  TURN_USER=$TURN_USER \
+  TURN_PASSWORD=$TURN_PASSWORD \
+  MAX_PER_GROUP=$MAX_PER_GROUP \
+  MAX_USERNAME_LENGTH=$MAX_USERNAME_LENGTH \
+  START_ROOM_URL=$START_ROOM_URL \
+  DISABLE_NOTIFICATIONS=$DISABLE_NOTIFICATIONS \
+  SKIP_RENDER_OPTIMIZATIONS=$SKIP_RENDER_OPTIMIZATIONS \
+  yarn run build
 
 # final production image
 FROM nginx:mainline-alpine