refractor from flask template

Dockerfile

@@ -1,7 +1,12 @@
 FROM python:3.10
 ARG PYPI_MIRROR=https://pypi.tuna.tsinghua.edu.cn/simple
 ENV PYPI_MIRROR=${PYPI_MIRROR}
-ADD  . /app
-WORKDIR /app
-RUN  ./scripts/setup-env.sh
-CMD  /app/venv/bin/waitress-serve app:app
+WORKDIR /code
+
+COPY requirements.txt /code/requirements.txt
+COPY scripts /code/scripts
+RUN  ls && ./scripts/setup-env.sh
+
+ADD  app app
+EXPOSE 8000
+CMD ["/code/venv/bin/uvicorn", "app.main:app", "--host", "0.0.0.0"]

app/app.py

@@ -1,3 +1,6 @@
-from flask import Flask
+import os
+from fastapi import FastAPI
+from fastapi.templating import Jinja2Templates
 
-app = Flask(__name__)
+app = FastAPI()
+jinja = Jinja2Templates(os.path.join(os.path.dirname(__file__), "templates"))

app/views/__init__.py

@@ -1,3 +1 @@
-import flask
-
 from . import simple_views

app/views/simple_views.py

@@ -1,15 +1,14 @@
 from datetime import datetime
 import os
-from ..app import app
-from flask import Blueprint, render_template
 
-simple_views = Blueprint("views", __name__, template_folder=os.path.join(
-    os.path.dirname(__file__), "templates"))
+from fastapi import Request
+from fastapi.responses import HTMLResponse
+from fastapi.staticfiles import StaticFiles
+from fastapi.templating import Jinja2Templates
+
+from app.app import app, jinja
 
 
-@simple_views.get("/")
-def index_page():
-    return render_template("index.html", now=datetime.now())
-
-
-app.register_blueprint(simple_views)
+@app.get("/", response_class=HTMLResponse)
+async def index_page(request: Request):
+    return jinja.TemplateResponse("index.html", context=dict(request=request, now=datetime.now()))

requirements.txt

@@ -1,2 +1,6 @@
-Flask<3
-waitress
+fastapi
+jinja2
+ujson
+aiohttp
+databases
+uvicorn[standard]

scripts/setup-env.sh

@@ -10,7 +10,7 @@ if [ ! -z "${PYPI_MIRROR}" ]; then
 fi
 
 create-venv() {
-    python -m venv venv
+    python3 -m venv venv
 }
 
 install-requirements() {