Oracle Mesh A production-grade Kubernetes platform running on Oracle Cloud’s free tier ARM instance. What It Is KIND Kubernetes cluster with 21 pods Linkerd service mesh with automatic mTLS Traefik ingress with path-based routing HashiCorp Vault for secrets management Langfuse for AI observability PostgreSQL, Redis, MinIO, ClickHouse data layer Cost $0/month — Everything runs on Oracle’s Always Free tier. Guides Architecture Overview Usage Guide Lessons Learned