Add Redis service and Celery configuration to Docker setup

- Introduced Redis service in both docker-compose files for production and development.
- Updated web and celery services to use Redis as the broker and result backend.
- Added necessary environment variables for Celery in settings.py.
- Included new tasks and soil_data apps in Django settings and updated URL routing.
- Updated requirements.txt to include Celery and Redis dependencies.

config/settings.py

@@ -18,12 +18,10 @@ INSTALLED_APPS = [
     "django.contrib.sessions",
     "django.contrib.messages",
     "django.contrib.staticfiles",
-    "auth.apps.AuthConfig",
-    "account",
-    "sensor_hub",
-    "dashboard",
     "rest_framework",
     "corsheaders",
+    "tasks",
+    "soil_data",
 ]
 
 MIDDLEWARE = [
@@ -98,9 +96,12 @@ REST_FRAMEWORK = {
     "DEFAULT_PERMISSION_CLASSES": [
         "rest_framework.permissions.AllowAny",
     ],
-    "DEFAULT_AUTHENTICATION_CLASSES": [
-        "rest_framework_simplejwt.authentication.JWTAuthentication",
-    ],
 }
 
 CORS_ALLOW_ALL_ORIGINS = DEBUG
+
+# Celery
+CELERY_BROKER_URL = os.environ.get("CELERY_BROKER_URL", "redis://localhost:6379/0")
+CELERY_RESULT_BACKEND = os.environ.get("CELERY_RESULT_BACKEND", "redis://localhost:6379/0")
+CELERY_ACCEPT_CONTENT = ["json"]
+CELERY_TASK_SERIALIZER = "json"