remove redis

docs/api-docs/ER/README.md

@@ -274,7 +274,6 @@ CREATE INDEX idx_courses_deleted ON courses(deleted_at) WHERE deleted_at IS NULL
 ### Query Optimization
 - Use `SELECT` specific columns
 - Implement pagination
-- Cache course lists in Redis
 - Use database views for complex queries
 
 ---

docs/development_setup.md

@@ -22,9 +22,9 @@
 │  ┌──────────────────────────────────────────────────────┐  │
 │  │              Docker Compose Stack                     │  │
 │  │                                                        │  │
-│  │  ┌────────────┐  ┌────────────┐  ┌────────────┐     │  │
-│  │  │ PostgreSQL │  │   MinIO    │  │   Redis    │     │  │
-│  │  │ Port: 5432 │  │ Port: 9000 │  │ Port: 6379 │     │  │
+│  │  ┌────────────┐  ┌────────────┐                    │  │
+│  │  │ PostgreSQL │  │   MinIO    │                    │  │
+│  │  │ Port: 5432 │  │ Port: 9000 │                    │  │
 │  │  └────────────┘  └────────────┘  └────────────┘     │  │
 │  │                                                        │  │
 │  │  ┌────────────┐  ┌────────────┐  ┌────────────┐     │  │
@@ -52,22 +52,18 @@
 - **Purpose**: File storage (videos, documents, images)
 - **Access**: Backend + Developers
 
-### 3. Redis - Cache & Session
-- **Port**: 6379
-- **Purpose**: Caching, session storage, queue
-- **Access**: Backend only
 
-### 4. Mailhog - Email Testing
+### 3. Mailhog - Email Testing
 - **Port**: 1025 (SMTP), 8025 (Web UI)
 - **Purpose**: Catch all emails in development
 - **Access**: All developers
 
-### 5. Adminer - Database Management
+### 4. Adminer - Database Management
 - **Port**: 8080
 - **Purpose**: Web-based database management
 - **Access**: All developers
 
-### 6. Forgejo - Git Server
+### 5. Forgejo - Git Server
 - **Port**: 3030 (HTTP), 2222 (SSH)
 - **Purpose**: Self-hosted Git repository (like GitHub/GitLab)
 - **Access**: All developers
@@ -152,23 +148,6 @@ services:
     networks:
       - elearning-network
 
-  # Redis - Cache & Session Store
-  redis:
-    image: redis:7-alpine
-    container_name: elearning-redis
-    restart: unless-stopped
-    ports:
-      - "6379:6379"
-    command: redis-server --appendonly yes --requirepass dev_redis_password
-    volumes:
-      - redis_data:/data
-    networks:
-      - elearning-network
-    healthcheck:
-      test: ["CMD", "redis-cli", "--raw", "incr", "ping"]
-      interval: 10s
-      timeout: 3s
-      retries: 5
 
   # Mailhog - Email Testing
   mailhog:
@@ -226,8 +205,7 @@ volumes:
     driver: local
   minio_data:
     driver: local
-  redis_data:
-    driver: local
+
   forgejo_data:
     driver: local
 
@@ -296,8 +274,6 @@ docker-compose logs -f postgres
 # Test PostgreSQL
 docker exec -it elearning-postgres psql -U elearning -d elearning_dev -c "SELECT version();"
 
-# Test Redis
-docker exec -it elearning-redis redis-cli -a dev_redis_password ping
 
 # Test MinIO
 curl http://192.168.1.100:9000/minio/health/live
@@ -391,11 +367,6 @@ DB_NAME=elearning_dev
 DB_USER=elearning
 DB_PASSWORD=dev_password_change_in_prod
 
-# Redis
-REDIS_URL=redis://:dev_redis_password@192.168.1.100:6379
-REDIS_HOST=192.168.1.100
-REDIS_PORT=6379
-REDIS_PASSWORD=dev_redis_password
 
 # MinIO/S3
 S3_ENDPOINT=http://192.168.1.100:9000
@@ -500,7 +471,7 @@ docker exec -it elearning-minio mc ls local/
 | **PostgreSQL** | 192.168.1.100:5432 | elearning / dev_password_change_in_prod |
 | **MinIO Console** | http://192.168.1.100:9001 | minioadmin / minioadmin123 |
 | **MinIO API** | http://192.168.1.100:9000 | - |
-| **Redis** | 192.168.1.100:6379 | Password: dev_redis_password |
+
 | **Mailhog UI** | http://192.168.1.100:8025 | - |
 | **Adminer** | http://192.168.1.100:8080 | - |
 | **Forgejo** | http://192.168.1.100:3030 | Setup on first visit |
@@ -647,4 +618,4 @@ docker-compose stop
 - [Docker Compose Documentation](https://docs.docker.com/compose/)
 - [PostgreSQL Documentation](https://www.postgresql.org/docs/)
 - [MinIO Documentation](https://min.io/docs/)
-- [Redis Documentation](https://redis.io/documentation)
+