added wsgi gevent

removed http_server variable

Signed-off-by: Vivek Singh <vivekkmr45@yahoo.in>

Author: viveksyngh

template/python27-flask/Dockerfile

@@ -5,7 +5,9 @@ RUN apk --no-cache add curl \
     && echo "Pulling watchdog binary from Github." \
     && curl -sSLf https://github.com/openfaas-incubator/of-watchdog/releases/download/0.2.1/of-watchdog > /usr/bin/fwatchdog \
     && chmod +x /usr/bin/fwatchdog \
-    && apk del curl --no-cache
+    && apk del curl --no-cache \
+    && apk add --no-cache gcc \
+    && apk add --no-cache musl-dev
 
 WORKDIR /root/
 

template/python27-flask/index.py

@@ -3,6 +3,7 @@
 
 from flask import Flask, request
 from function import handler
+from gevent.pywsgi import WSGIServer
 
 app = Flask(__name__)
 
@@ -11,5 +12,7 @@ def main_route():
     ret = handler.handle(request.get_data())
     return ret
 
+app.debug = False
+
 if __name__ == '__main__':
-    app.run(host='0.0.0.0', port=5000, debug=False)
+    WSGIServer(('0.0.0.0', 5000), app)

template/python27-flask/requirements.txt

@@ -1,2 +1,2 @@
 flask
-
+gevent