diff --git a/.dockerignore b/.dockerignore
index 0580c070..fe9e3960 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -12,4 +12,6 @@ test*.yml
 toy*
 release.sh
 shell/
-.tmp/
\ No newline at end of file
+.tmp/
+.git/
+.github/
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index 8d4de07f..074d2f6a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,8 @@ FROM dependency as base
 
 ADD . ./
 
-RUN pip install .[all]
+RUN pip install .[all] \
+    && rm -rf /tmp/*
 
 WORKDIR /