chore: Remove platform specifications for PostgreSQL and Redis in Docker configuration

- Simplified the Docker Compose file by removing ARM64 platform specifications for PostgreSQL and Redis services, making it more general-purpose.

docker-compose.dev.minimal.yml

@@ -1,8 +1,7 @@
 services:
-  # PostgreSQL Database (ARM64 optimized)
+  # PostgreSQL Database
   postgres:
     image: postgres:15-alpine
-    platform: linux/arm64
     container_name: portfolio_postgres_dev
     environment:
       POSTGRES_DB: portfolio_dev
@@ -20,10 +19,9 @@ services:
       timeout: 5s
       retries: 5
 
-  # Redis for caching (ARM64 optimized)
+  # Redis for caching
   redis:
     image: redis:7-alpine
-    platform: linux/arm64
     container_name: portfolio_redis_dev
     volumes:
       - redis_dev_data:/data