diff --git a/Dockerfile b/Dockerfile
index f5320b1..2dda3fc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,4 +5,4 @@ COPY requirements.txt ./
 RUN pip install -r requirements.txt
 
 COPY *.py ./
-CMD ["gunicorn", "--workers", "10", "--bind", "[::]:5000", "main:app", "--timeout", "90"]
+CMD ["gunicorn", "--worker-class", "sanic.worker.GunicornWorker", "--workers", "10", "--bind", "[::]:5000", "main:app", "--timeout", "90"]
diff --git a/const.py b/const.py
new file mode 100644
index 0000000..24b2f0e
--- /dev/null
+++ b/const.py
@@ -0,0 +1,2 @@
+import os
+MONGO_URI = os.getenv("MONGO_URI", "mongodb://127.0.0.1:27017/kspace_accounting")
diff --git a/dev.yml b/dev.yml
new file mode 100644
index 0000000..1c3e4c9
--- /dev/null
+++ b/dev.yml
@@ -0,0 +1,26 @@
+version: '3.7'
+
+services:
+  mongoexpress:
+    image: mongo-express
+    network_mode: host
+    environment:
+      - ME_CONFIG_MONGODB_ENABLE_ADMIN=true
+      - ME_CONFIG_MONGODB_SERVER=127.0.0.1
+      - ME_CONFIG_MONGODB_PORT=27017
+      - ME_CONFIG_MONGODB_AUTH_DATABASE=admin
+  mongo:
+    network_mode: host
+    restart: unless-stopped
+    image: mongo:latest
+    environment:
+      - MONGODB_INITDB_ROOT_USERNAME=doorboy
+      - MONGODB_INITDB_ROOT_PASSWORD=password
+      - MONGODB_INITDB_DATABASE=kspace_accounting
+  doorboy_proxy:
+    hostname: doorboy.infra.k-space.ee
+    restart: unless-stopped
+    network_mode: host
+    env_file: .env
+    build:
+      context: .
diff --git a/main.py b/main.py
index a42013f..886d0fe 100644
--- a/main.py
+++ b/main.py
@@ -1,43 +1,45 @@
 from datetime import datetime
-from flask import Flask, request, redirect, render_template, Blueprint, make_response, jsonify
-from pymongo import MongoClient
-import flask
-import hashlib
-import jinja2
-import json
-import os
+from sanic import Sanic, response
+from sanic.response import text, json, stream
+from motor.motor_asyncio import AsyncIOMotorClient
+import uvloop, asyncio
 import pymongo
-import smtplib
+import os
+import const
 
-app = Flask(__name__)
-mongodb = MongoClient('mongodb://172.21.27.1,172.21.27.2,172.21.27.3:27017/', replicaSet="kspace-mongo-set").kspace_accounting
-mongodb.authenticate("kspace_accounting", os.environ["MONGO_PASSWORD"])
+app = Sanic(__name__)
+
+#mongodb = MongoClient('mongodb://172.21.27.1,172.21.27.2,172.21.27.3:27017/', replicaSet="kspace-mongo-set").kspace_accounting
+mongodb = AsyncIOMotorClient(const.MONGO_URI)
+mongodb = mongodb.get_default_database()
 
 DOORBOY_SECRET = os.environ["DOORBOY_SECRET"]
 
 assert len(DOORBOY_SECRET) > 10
 
 @app.route("/allowed")
-def view_doorboy_uids():
+async def view_doorboy_uids(request):
     if request.headers.get('KEY') != DOORBOY_SECRET:
-        return "how about no"
-    allowed_names = [o["_id"] for o in mongodb.member.find({"enabled": True})]
+        return text("how about no")
+    allowed_names = []
+    async for obj in mongodb.member.find({"enabled": True}):
+        allowed_names.append(obj["_id"])
     allowed_uids = []
-    for obj in mongodb.inventory.find({"token.uid_hash": {"$exists":True}, "inventory.owner_id": {"$exists":True}, "token.enabled": True}, {"inventory.owner_id": True, "token.uid_hash": True }):
+    async for obj in mongodb.inventory.find({"token.uid_hash": {"$exists":True}, "inventory.owner_id": {"$exists":True}, "token.enabled": True}, {"inventory.owner_id": True, "token.uid_hash": True }):
         if obj["inventory"].pop("owner_id") in allowed_names:
-            obj.pop("_id")
-            obj.pop("inventory")
+            del obj["_id"]
+            del obj["inventory"]
             allowed_uids.append(obj)
-    return jsonify(allowed_uids=allowed_uids)
+    return json({"allowed_uids": allowed_uids})
 
 
 @app.route("/longpoll")
-def view_longpoll():
+async def view_longpoll(request):
     if request.headers.get('KEY') != DOORBOY_SECRET:
-        return "how about no"
+        return text("how about no")
 
-    def g():
-        yield "data: response-generator-started\n\n"
+    async def g(response):
+        await response.write("data: response-generator-started\n\n")
         pipeline = [
             {
                 '$match': {
@@ -48,16 +50,16 @@ def view_longpoll():
             }
         ]
         try:
-            with mongodb.eventlog.watch(pipeline) as stream:
-                yield "data: watch-stream-opened\n\n"
-                for event in stream:
+            async with mongodb.eventlog.watch(pipeline) as stream:
+                await response.write("data: watch-stream-opened\n\n")
+                async for event in stream:
                     if event["fullDocument"].get("type") == "open-door":
-                        yield "data: %s\n\n" % event["fullDocument"]["door"]
+                        await response.write("data: %s\n\n" % event["fullDocument"]["door"])
         except pymongo.errors.PyMongoError:
-            return "urror"
-    return flask.Response(g(),
-        mimetype="text/event-stream")
+            return
+    return stream(g, content_type="text/event-stream")
 
 if __name__ == '__main__':
-    app.run(debug=False, host='::')
-
+    asyncio.set_event_loop_policy(uvloop.EventLoopPolicy()) # swap default event loop to uvloop
+    loop = asyncio.get_event_loop()
+    app.run(host='::', debug=False, loop=loop)
diff --git a/requirements.txt b/requirements.txt
index 2df0789..ce59ef1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,3 @@
-Flask
-Flask-WTF
-pymongo
 gunicorn
+sanic
+motor