diff --git a/.dockerignore b/.dockerignore
index a53de12..4e23766 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -27,3 +27,4 @@
 *.pyc
 **/*.pyc
 **/__pycache__
+venv*/
\ No newline at end of file
diff --git a/.mailmap b/.mailmap
new file mode 100644
index 0000000..873e4a9
--- /dev/null
+++ b/.mailmap
@@ -0,0 +1,5 @@
+# First mail is fake and second is unreliable for longer term contact.
+# Please use mail@ablu.org for contact. These mails are only mapped to make
+# scripts happy.
+Erik Schilling <ablu-but-not-real-mail-address@uni-paderborn.de> <ablu@mail.uni-paderborn.org>
+