Enhance Docker setup with logging and monitoring features

- Added logging configuration to WSGI for persistent log collection.
- Updated Docker Compose files for local and development environments, including Redis, PostgreSQL, and Grafana services.
- Introduced Promtail configuration for log scraping and integration with Loki.
- Created application log directory in Dockerfile for log persistence.

docker/docker-compose.local.yml

@@ -0,0 +1,59 @@
+services:
+  redis:
+    image: redis:7.4.2-alpine
+    expose:
+      - 6379
+    volumes:
+      - ./redis/redis.conf:/usr/local/etc/redis/redis.conf
+    command: ["redis-server", "/usr/local/etc/redis/redis.conf"]
+  web:
+    build:
+      # Use the repository root as the build context so files like requirements.txt
+      # (located at the repo root) are available during image build. The Dockerfile
+      # lives at rad/Dockerfile inside the context.
+      context: ..
+      dockerfile: rad/Dockerfile
+    command: python manage.py runserver 0.0.0.0:8000
+    #command: pip install -r requirements.txt
+    volumes:
+      # Mount the repository root into the container WORKDIR so manage.py and
+      # requirements.txt are available at build/run time. This mirrors working
+      # in the project root inside the container for development.
+      - ../:/usr/src/app
+      # (Optional) keep explicit mounts for media/static/backups if you need
+      # to override them separately; otherwise they are covered by the repo mount.
+      - ../backups:/usr/src/app/backups
+      - ../media:/usr/src/app/media
+      - ../static:/usr/src/app/static
+    ports:
+      - 8000:8000
+      - 3459:3459
+    env_file:
+      - ./.env.dev.local
+  db:
+    image: postgres:14.2-alpine
+    volumes:
+      - postgres_data:/var/lib/postgresql/data/
+    environment:
+      - POSTGRES_USER=django
+      - POSTGRES_PASSWORD=postgres
+      - POSTGRES_DB=rad
+  pgadmin:
+    image: dpage/pgadmin4:7.2
+    environment:
+      - PGADMIN_DEFAULT_EMAIL=${PGADMIN_DEFAULT_EMAIL:-admin@local}
+      - PGADMIN_DEFAULT_PASSWORD=${PGADMIN_DEFAULT_PASSWORD:-admin}
+    ports:
+      - 8080:80
+    volumes:
+      - pgadmin_data:/var/lib/pgadmin
+  cache:
+    image: memcached
+    ports: 
+      - 11211:11211
+
+volumes:
+  postgres_data:
+    name: docker_postgres_data
+  pgadmin_data:
+    name: docker_pgadmin_data