diff --git a/Dockerfile b/Dockerfile
index 90d4ff8..a99999d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,9 +24,10 @@ RUN \
   mkdir -p ${APP_DIR} && \
   useradd -d ${APP_DIR} -u 1000 user
 
+VOLUME ${APP_DIR}
+
 COPY crontab /etc/
 COPY *.py ${APP_DIR}/
-COPY *.tmpl ${APP_DIR}/
 
 # USER 1000:1000
 WORKDIR ${APP_DIR}
diff --git a/example.py b/example.py
new file mode 100755
index 0000000..9469861
--- /dev/null
+++ b/example.py
@@ -0,0 +1,4 @@
+#!/usr/bin/python
+
+print("Hello world!\")
+