a) don't really impact a single team either way, but
b) have non-trivial repercussions in the aggregate
There's leverage in replacing these decisions with one standard approach.
- Every service serves HTTP on the same standard port
- Every service gets its DB connection string via the same mechanism (e.g. a DB_CONN env var)
- Don't have services on MySQL 5.5, 5.6, and 8
Don't have half of your infra in AWS and half in GCP because some teams preferred AWS and some preferred GCP.