Solo.
1) CI/CD
Gitlab self hosted.
Just plain .gitlab-ci.yml pipeline files & runners running on > 3 pc's (docker and powershell tags)
Basically using dotnet deploy with publishprofiles and environment variables.
3 parts: - Backend ( multitenant) - BackendGateway ( multitenant) - Frontend ( single tenant)
Deployment time: < 5 minutes ( staging and prod, including smoke tests)
2) Logging Axiom. Cloud.
Cheap to use for my project, i can stay on the free plan while I scale up.