diff --git a/Dockerfile b/Dockerfile
index 002ad41..bf225c6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1 +1,13 @@
-FROM python:2.7
+FROM python:3-alpine
+# FROM python:2.7-alpine # for 1.2.0
+
+RUN apk add git g++ 
+# g++ required to build Brotli
+
+RUN git clone https://github.com/coreruleset/ftw.git /opt/ftw
+
+WORKDIR /opt/ftw
+# RUN git checkout tags/1.2.0 && pip install -r requirements.txt
+RUN git checkout master && pip install -r requirements.txt
+
+CMD [/bin/bash] # py.test -s -v test/test_default.py --ruledir=test/yaml