diff --git a/Dockerfile b/Dockerfile
index b038d201..40bd2551 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,23 +1,23 @@
 FROM python:3.7-alpine
 
 ENV DEBUG="False" \
-    SQLALCHEMY_DATABASE_URI="sqlite:////database/ihatemoney.db" \
-    SQLALCHEMY_TRACK_MODIFICATIONS="False" \
-    SECRET_KEY="tralala" \
-    MAIL_DEFAULT_SENDER="('Budget manager', 'budget@notmyidea.org')" \
-    MAIL_SERVER="localhost" \
-    MAIL_PORT=25 \
-    MAIL_USE_TLS=False \
-    MAIL_USE_SSL=False \
-    MAIL_USERNAME= \
-    MAIL_PASSWORD= \
+    ACTIVATE_ADMIN_DASHBOARD="False" \
     ACTIVATE_DEMO_PROJECT="True" \
     ADMIN_PASSWORD="" \
     ALLOW_PUBLIC_PROJECT_CREATION="True" \
-    ACTIVATE_ADMIN_DASHBOARD="False" \
     BABEL_DEFAULT_TIMEZONE="UTC" \
     GREENLET_TEST_CPP="no" \
-    SESSION_COOKIE_SECURE=False
+    MAIL_DEFAULT_SENDER="('Budget manager', 'budget@notmyidea.org')" \
+    MAIL_PASSWORD="" \
+    MAIL_PORT="25" \
+    MAIL_SERVER="localhost" \
+    MAIL_USE_SSL="False" \
+    MAIL_USE_TLS="False" \
+    MAIL_USERNAME="" \
+    SECRET_KEY="tralala" \
+    SESSION_COOKIE_SECURE="False" \
+    SQLALCHEMY_DATABASE_URI="sqlite:////database/ihatemoney.db" \
+    SQLALCHEMY_TRACK_MODIFICATIONS="False"
 
 RUN mkdir -p /etc/ihatemoney &&\
     pip install --no-cache-dir gunicorn pymysql;