Containerized apps need meta tags in the application code — Docker doesn't affect them.
📋 Docker Meta Tag Tips
- ✓Meta tags live in your app, not Docker config
- ✓Use environment variables for dynamic meta values
- ✓Multi-stage builds: ensure HTML templates are copied
- ✓Docker Compose: set meta-related env vars
- ✓Nginx in Docker: can inject meta via sub_filter
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