Improve example

examples/docker/Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3.5
+MAINTAINER Channel Cat <channelcat@gmail.com>
+
+ADD . /code
+RUN pip3 install git+https://github.com/channelcat/sanic
+
+EXPOSE 8000
+
+WORKDIR /code
+
+CMD ["python", "simple_server.py"]

examples/docker/docker-compose.yml

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+version: '2'
+services:
+  sanic:
+    build: .
+    ports:
+      - "8000:8000"