Initial commit

Dockerfile

@@ -0,0 +1,14 @@
+FROM python:3.7-alpine
+
+MAINTAINER Yehuda Deutsch <yeh@uda.co.il>
+
+RUN echo 'manylinux1_compatible = True' > /usr/local/lib/python3.7/_manylinux.py
+RUN apk add --virtual .build-deps gcc musl-dev \
+    && pip install sanic \
+    && rm -Rf ~/.cache \
+    && apk --purge del .build-deps
+
+WORKDIR /code
+COPY app.py /code/
+
+CMD ["python", "app.py"]

app.py

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+from datetime import datetime
+
+from sanic import Sanic
+from sanic.response import text, json
+from sanic.views import HTTPMethodView
+
+
+class IndexView(HTTPMethodView):
+    def get(self, request):
+        now = datetime.utcnow()
+        return text(now.strftime('%Y-%m-%d %H:%M:%S'))
+
+
+class JsonView(HTTPMethodView):
+    def get(self, request):
+        now = datetime.utcnow()
+        return json({
+            'now': now.strftime('%Y-%m-%d %H:%M:%S'),
+            'timestamp': int(datetime.timestamp(now)),
+        })
+
+
+class Application(object):
+    app = Sanic()
+
+    def __init__(self, args):
+        self.args = args
+        self.app.add_route(IndexView.as_view(), '/')
+        self.app.add_route(JsonView.as_view(), '/json')
+
+    def run(self):
+        self.app.run(host=self.args.interface, port=self.args.port)
+
+
+if __name__ == '__main__':
+    import os
+    from argparse import ArgumentParser
+
+    default_host = os.environ.get('APP_HOST', '0.0.0.0')
+    default_port = int(os.environ.get('APP_PORT', 8080))
+    default_trusted = os.environ.get('TRUSTED_PROXIES') or None
+
+    parser = ArgumentParser('app.py')
+    parser.add_argument('--interface', '-i', type=str, help='Interface to listen on', default=default_host)
+    parser.add_argument('--port', '-p', type=int, help='Port to listen on', default=default_port)
+    parser.add_argument('--proxies', type=str, help='A list of trusted proxies, comma separated. you can use CIDRs.', default=default_trusted)
+    args = parser.parse_args()
+
+    zero_if = Application(args)
+    zero_if.run()