Add an aioredis example

examples/sanic_aioredis_example.py

@@ -0,0 +1,34 @@
+""" To run this example you need additional aioredis package
+"""
+from sanic import Sanic, response
+import aioredis
+
+app = Sanic(__name__)
+
+
+@app.route("/")
+async def handle(request):
+    async with request.app.redis_pool.get() as redis:
+        await redis.set('test-my-key', 'value')
+        val = await redis.get('test-my-key')
+    return response.text(val.decode('utf-8'))
+
+
+@app.listener('before_server_start')
+async def before_server_start(app, loop):
+    app.redis_pool = await aioredis.create_pool(
+        ('localhost', 6379),
+        minsize=5,
+        maxsize=10,
+        loop=loop
+    )
+
+
+@app.listener('after_server_stop')
+async def after_server_stop(app, loop):
+    app.redis_pool.close()
+    await app.redis_pool.wait_closed()
+
+
+if __name__ == '__main__':
+    app.run(host="0.0.0.0", port=8000)