{
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  "_kind": "StackProfile",
  "_file": "domain/stack-profiles/deep-stacks-3.yaml",
  "_cluster": "domain",
  "attributes": {
    "displayName": "gRPC Microservice Mesh Stack (Go, gRPC, Kubernetes, PostgreSQL, Prometheus)",
    "description": "A polyglot microservice architecture using gRPC and Protocol Buffers\nfor strongly-typed, high-performance inter-service communication. Go\nis the primary service language for its low overhead and fast compile\ntimes. Kubernetes orchestrates service deployment, scaling, and\nservice discovery. PostgreSQL provides per-service databases following\nthe database-per-service pattern. Prometheus and Grafana deliver\nservice-level metrics (request rates, error rates, latencies) across\nthe mesh. Protobuf schemas serve as the single source of truth for\nAPI contracts, enabling automated client code generation in any\nlanguage. The tradeoff is significant upfront complexity — teams\nmust manage Protobuf schema versioning, gRPC interceptor chains,\ndistributed tracing, and Kubernetes networking before shipping their\nfirst feature.\n",
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