Fix redis issues

Dockerfile

@@ -7,4 +7,4 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 COPY . .
 
-CMD [ "python", "-m", "hypercorn", "shorter:app", "--bind", "0.0.0.0:8000", "--access-logfile", "-" ]
+CMD [ "python", "-m", "hypercorn", "shorter:app", "--bind", "0.0.0.0:8000", "--access-logfile", "-" ]

requirements.txt

@@ -1,9 +1,10 @@
-aioredis==1.3.1
+redis>=4.2.0rc1
 black==20.8b1
 Cerberus==1.3.2
-Hypercorn==0.11.1
+Hypercorn==0.17.3
 python-dotenv==0.15.0
 Quart==0.13.1
 Quart-CORS==0.3.0
 Quart-Rate-Limiter==0.4.0
 Jinja2<=3.0.3
+werkzeug==2.1.2

shorter/__init__.py

@@ -1,34 +1,30 @@
 import asyncio
 import os
 
-import aioredis
+from redis import asyncio as aioredis
 from quart import Quart, exceptions
 from quart_cors import cors
 
 import shorter.bp.shortener
 from shorter import config
 from shorter.errors import ApiError
-from shorter.ratelimit import rate_limiter
-
 app = Quart(__name__)
 app = cors(app, expose_headers=["Location"])
 
-rate_limiter.init_app(app)
-
 
 app.register_blueprint(shorter.bp.shortener.bp)
 
 
 @app.before_serving
 async def before_serving():
-    loop = asyncio.get_event_loop()
 
-    app.redis = await aioredis.create_redis_pool(
+    cpool = aioredis.ConnectionPool.from_url(
         config.redis_address,
-        loop=loop,
         encoding="utf-8",
     )
 
+    app.redis = aioredis.Redis.from_pool(cpool)
+
 
 @app.errorhandler(ApiError)
 def handle_api_error(error: ApiError):

shorter/bp/shortener.py

@@ -28,7 +28,7 @@ async def create():
     shortname = await generate_shortname(8)
     key = f"{current_app.import_name}-shorten-{shortname}"
     await current_app.redis.set(key, url)
-    await current_app.redis.expire(key, ttl)
+    await current_app.redis.expire(key, int(ttl))
 
     url = urlunparse(
         (