【Django】Helloアプリケーションを作動させる

C:\django_app>python manage.py startapp hello

from django.shortcuts import render
from django.http import HttpResponse

def index(request):
  return HttpResponse("Hello Django!!")

from django.contrib import admin
from django.urls import path
import hello.views as hello

urlpatterns = [
  path('admin/', admin.site.urls),
  path('hello/', hello.index),
]

C:\django_app>python manage.py runserver
Watching for file changes with StatReloader
Performing system checks...

System check identified no issues (0 silenced).

You have 18 unapplied migration(s). Your project may not work properly until you apply the migrations for app(s): admin, auth, contenttypes, sessions.
Run 'python manage.py migrate' to apply them.
December 29, 2023 - 12:10:18
Django version 4.2.2, using settings 'django_app.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CTRL-BREAK.

from django.urls import path
from . import views

urlpatterns = [
  path('', views.index, name='index'),
]

from django.contrib import admin
from django.urls import path,include

urlpatterns = [
  path('admin/', admin.site.urls),
  path('hello/', include('hello.urls')),
]