Fix Gitea Actions environment variable issues

- Remove redundant export statements from workflow
- Add default values to Docker Compose environment variables
- Add debugging logs to help diagnose deployment issues
- Ensure environment variables are properly passed to containers

This should resolve the 'variable is not set' warnings and make the main page accessible.

docker-compose.yml

@@ -12,12 +12,12 @@ services:
       - NODE_ENV=${NODE_ENV:-production}
       - DATABASE_URL=postgresql://portfolio_user:portfolio_pass@postgres:5432/portfolio_db?schema=public
       - REDIS_URL=redis://redis:6379
-      - NEXT_PUBLIC_BASE_URL=${NEXT_PUBLIC_BASE_URL}
-      - MY_EMAIL=${MY_EMAIL}
-      - MY_INFO_EMAIL=${MY_INFO_EMAIL}
-      - MY_PASSWORD=${MY_PASSWORD}
-      - MY_INFO_PASSWORD=${MY_INFO_PASSWORD}
-      - ADMIN_BASIC_AUTH=${ADMIN_BASIC_AUTH}
+      - NEXT_PUBLIC_BASE_URL=${NEXT_PUBLIC_BASE_URL:-https://dk0.dev}
+      - MY_EMAIL=${MY_EMAIL:-contact@dk0.dev}
+      - MY_INFO_EMAIL=${MY_INFO_EMAIL:-info@dk0.dev}
+      - MY_PASSWORD=${MY_PASSWORD:-your-email-password}
+      - MY_INFO_PASSWORD=${MY_INFO_PASSWORD:-your-info-email-password}
+      - ADMIN_BASIC_AUTH=${ADMIN_BASIC_AUTH:-admin:your_secure_password_here}
     volumes:
       - portfolio_data:/app/.next/cache
     networks: