Add dockerfile

Dockerfile

@@ -0,0 +1,14 @@
+FROM python:2.7-alpine
+
+RUN apk --no-cache add ca-certificates
+
+RUN mkdir /src
+
+COPY src/ /src/
+
+WORKDIR /src
+
+RUN pip install -r requirements.txt
+
+ENTRYPOINT ["python","/src/aws-target-group-cleanup.py"]
+CMD ["-h"]