diff --git a/config.json b/config.json
new file mode 100644
index 0000000..9a6a717
--- /dev/null
+++ b/config.json
@@ -0,0 +1,5 @@
+{
+    "development": {
+        "port": 8888
+    }
+}
\ No newline at end of file
diff --git a/handlers/sequence.py b/handlers/sequence.py
new file mode 100644
index 0000000..a2c72af
--- /dev/null
+++ b/handlers/sequence.py
@@ -0,0 +1,15 @@
+class SequenceHandler(RequestHandler):
+    def post(self, dir_name_array):
+        # response
+        try:
+            # get the image paths
+            # cut them into sequences
+            # move them to path /sequence/<sequence_id>/
+            # do the sequence generating
+            self.set_status(200)
+
+        except:
+            self.write_error()
+
+        finally:
+            self.finish()   
diff --git a/index.py b/index.py
new file mode 100644
index 0000000..3485184
--- /dev/null
+++ b/index.py
@@ -0,0 +1,16 @@
+import tornado.ioloop
+import tornado.web
+import json
+from os import environ
+# config
+with open('config.json', 'w') as f: 
+    config = json.load(f)
+
+devPort = config[environ['ENV'] if 'ENV' in environ.keys() else 'development']
+
+if __name__ == "__main__":
+    app = tornado.web.Application([
+        url(r'/sequence', sequenceHandler)
+    ])
+    app.listen(devPort)
+    app.ioloop.IOLoop.current().start()
\ No newline at end of file