- code
- tests
- comments
- documentation
- servers
- database tables
- indexes
- lambda functions
- code dependencies
- aws services
- cloud vendors
- microservices
- cd pipelines
...
- classes
- modules
- interfaces
- exception types
- versions you have to support
- runtime options
- operating systems
- out of process daemons
- threads
- scripts
- queues
- cron jobs
- logs
- metrics
- dashboards
- alarms
...
This is why I like the monoliths. The reduction is inherent.