Project-Setup

mkdir monitoring_project && cd monitoring_project

python3 -m venv venv
source venv/bin/activate

pip install --upgrade pip
pip install django pillow opencv-python-headless celery redis boto3 django-cors-headers djangorestframework python-decouple

django-admin startproject config .

python manage.py startapp monitoring

sudo apt update
sudo apt install redis-server -y

sudo systemctl start redis-server
sudo systemctl enable redis-server

# চেক করো
redis-cli ping
# আউটপুট: PONG

mkdir -p media static templates
touch .env celery_config.py

monitoring_project/
├── venv/
├── config/
├── monitoring/
├── media/           ← আপলোডেড ছবি/ভিডিও
├── static/
├── templates/
├── .env             ← সিক্রেট কী
├── celery_config.py ← Celery কনফিগ
└── manage.py

nano .env

SECRET_KEY = django-insecure-8_f8ebn*kq_ojakcrwh&tg*#+(8jv8p#!rd=^%%ali%)!#^u#5
DEBUG = True
ALLOWED_HOSTS = localhost,127.0.0.1,0.0.0.0

import os
from pathlib import Path
from decouple import config, Csv

BASE_DIR = Path(__file__).resolve().parent.parent

# .env থেকে ভ্যালু নেওয়া
SECRET_KEY = config('SECRET_KEY')
DEBUG = config('DEBUG', default=True, cast=bool)
ALLOWED_HOSTS = config('ALLOWED_HOSTS', cast=Csv())

# Apps
INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',

    'rest_framework',
    'corsheaders',

    'monitoring',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'corsheaders.middleware.CorsMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'config.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [BASE_DIR / 'templates'],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'config.wsgi.application'

# Database → শুধু SQLite
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'db.sqlite3',
    }
}

# Static & Media
STATIC_URL = '/static/'
STATICFILES_DIRS = [BASE_DIR / 'static']
STATIC_ROOT = BASE_DIR / 'staticfiles'

MEDIA_URL = '/media/'
MEDIA_ROOT = BASE_DIR / 'media'

# CORS (ফ্রন্টএন্ড থেকে API কল করার জন্য)
CORS_ALLOW_ALL_ORIGINS = True   # প্রোডাকশনে সীমিত করবে

# Celery + Redis
CELERY_BROKER_URL = 'redis://localhost:6379/0'
CELERY_RESULT_BACKEND = 'redis://localhost:6379/0'
CELERY_ACCEPT_CONTENT = ['json']
CELERY_TASK_SERIALIZER = 'json'
CELERY_RESULT_SERIALIZER = 'json'
CELERY_TIMEZONE = 'Asia/Dhaka'

# celery_config.py (প্রজেক্ট রুটে)
from __future__ import absolute_import, unicode_literals
import os
from celery import Celery

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')

app = Celery('config')
app.config_from_object('django.conf:settings', namespace='CELERY')
app.autodiscover_tasks()

# config/__init__.py
from .celery_config import app as celery_app

__all__ = ('celery_app',)

from django.contrib import admin
from django.urls import path, include
from django.conf import settings
from django.conf.urls.static import static

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

if settings.DEBUG:
    urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
    urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)

# monitoring/urls.py
from django.urls import path, include
from rest_framework.routers import DefaultRouter
from . import views

router = DefaultRouter()
# router.register(r'monitor', views.MonitorViewSet)

urlpatterns = [
    path('', include(router.urls)),
    path('upload/', views.ImageUploadView.as_view(), name='upload'),
]

python manage.py makemigrations
python manage.py migrate
python manage.py createsuperuser

python manage.py runserver 0.0.0.0:8000

celery -A config worker -l info