Docker integration

src/reddit.py

@@ -51,7 +51,7 @@ class Reddit:
         """
         server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-        server.bind(('localhost', self.PORT))
+        server.bind(('0.0.0.0', self.PORT))
         server.listen(1)
         client = server.accept()[0]
         server.close()