fix requestbin

Signed-off-by: Jess Frazelle <[email protected]>

requestbin/Dockerfile

@@ -3,11 +3,13 @@ FROM python:2-alpine
 RUN apk add --no-cache --virtual .build-deps \
 		build-base \
 		git \
+		libffi-dev \
+		--repository http://dl-cdn.alpinelinux.org/alpine/edge/main/ \
 	&& git clone --depth 1 https://github.com/Runscope/requestbin /src \
+	&& sed -i 's/gevent/gevent==1.4.0/' /src/requirements.txt \
+	&& echo "Flask==1.1.1" >> /src/requirements.txt \
+	&& echo "Werkzeug==0.15.6" >> /src/requirements.txt \
     && pip install -r /src/requirements.txt \
-	&& pip install --no-cache-dir  \
-		gevent \
-		gunicorn \
     && rm -rf ~/.pip/cache \
 	&& apk del .build-deps