Cleanup: .gitignore + remove .DS_Store + standardize .yml

.gitignore

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+.DS_Store
+.DS_Store?
+._*
+*.log
+.env

portainer/docker-compose.yaml

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+version: '3.8'
+
+volumes:
+  portainer_data:
+
+services:
+  portainer:
+    image: portainer/portainer-ce:lts
+    container_name: portainer
+    restart: unless-stopped # Recommended over "always" for modern setups
+    ports:
+      - "8000:8000" # Agent / API port
+      - "9443:9443" # HTTPS Web UI 
+    volumes:
+      - portainer_data:/data
+      - /var/run/docker.sock:/var/run/docker.sock     
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro
+    environment:
+      - TZ=America/New_York # ← Change this to your actual timezone