feat(docker): compose stack, observability, MCP, OTel, and k6 tests - #4883
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feat(docker): compose stack, observability, MCP, OTel, and k6 tests#4883alex-dna-tech wants to merge 24 commits into
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August 10, 2026 18:11
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go-redis/v9@v9.22.0 depends on go.uber.org/atomic transitively. go mod tidy resolved the missing sum entry that broke govulncheck.
Split internal/otel into a lightweight facade (Init/Shutdown/Register) and a public go-micro.dev/v6/otel backend that mounts the OTLP trace exporter. Core packages keep calling the facade; with no backend linked both calls no-op and the otel SDK, otlptracehttp, and grpc stay out of the build. cmd/micro blank-imports the backend to keep CLI tracing. Consumer probe: 494 -> 385 packages, stripped binary 20.1M -> 17.1M, 66 grpc packages -> 0, removing the largest hard import from core.
Move the mdns registry (registry/mdns_registry.go -> registry/mdns/) and bbolt file store (store/file.go -> store/file/) into opt-in subpackages. Core registry/store now default to zero-dependency memory implementations; cmd/defaults (imported by the micro CLI) restores mdns discovery and file-backed storage as the historical defaults. Drops miekg/dns, bbolt, and grpc/examples (vendored helloworld test pb) from library builds: probe drops 385->371 packages, 17.1M->15M stripped. service/profile.LocalProfile and cmd.DefaultRegistries no longer hard-link mdns; the CLI keeps it via cmd/defaults.
Services built the nats registry explicitly but left broker to flag selection, so MICRO_BROKER=nats hit the unlinked-plugin error and fell back to the http broker, which choked on the nats:// address. Add an explicit nats broker to each service to match the registry pattern.
… core Collapse 5 near-identical chat/stream/image HTTP clients (openai, groq, mistral, together, minimax) into ai/internal/openaiapi. Single deep module with one New(Config, opts...) entry point; provider divergences become Config flags (UseMessages, ParseUsage, Path). Added ai.WithTransport RoundTripper seam for hermetic tests. Checked upstream fixes: groq stream honors SystemPrompt, stream body carry Authorization. Closes #14
Add server.BeforeHandler and server.AfterHandler, HandlerWrapper constructors that run a func(context, Request) error before or after the handler. Complements the existing start/stop hooks (service.BeforeStart, AfterStart, BeforeStop, AfterStop), completing the before/after functions for handler requests raised in issue #15.
Deduplicate the client and server rpcCodec copies (~650 lines) into a single go-micro.dev/v6/internal/mucp module. Client and server shrink to thin shims on One construction entry point (NewClient/NewServer), with SetupProtocol(msg, node) merged legacy detection and Lookup/GetHeader helpers. Wire bytes are unchanged: client writes plain Micro- headers, server dual-writes plain + X-, legacy json-rpc/proto-rpc fallback and grpc first-message preload preserved. Adds the boundary test suite the protocol never had (round-trip, header canonicalization, legacy rewrite, grpc preload, codec-write error, error envelopes). Ports TestCodecWriteError from server, drops the old readWriteCloser test helper.
Replaces micro-run monolith with per-service containers that each connect to NATS for registry, broker, and transport. Adds env-driven NATS config anchors, per-service Dockerfiles, OTLP export, and broker event publishing in contacts. Grafana NATS panels updated.
…ker-compose # Conflicts: # CHANGELOG.md # ai/gemini/gemini.go # ai/groq/groq.go # ai/minimax/minimax.go # ai/mistral/mistral.go # ai/openai/openai.go # ai/options.go # ai/together/together.go
Move k6 and k6-stress out of docker-compose profiles into Makefile docker run commands, fixing compose networking issues with one-shot test runs. Targets connect directly to gateway via host.docker.internal.
Prevents 26k% spike in Requests Δ prev when the previous window had near-zero traffic at startup. Also picks up Grafana UI export churn: use $__rate_interval for rate/increase windows, add editorMode flags, streamline NATS thresholds, and add docker-compose run target.
Check fsnotify Add error in watcher, mark re-add as best-effort, and correct British spellings (marshalled/optimised/catalogue). Skip live provider stream check on 401/404 instead of failing when env holds a stale credential or model id. Closes lint issues reported by golangci-lint.
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Squash-rebased 50 commits into 8 logically-grouped commits:
102 files changed, +11,981 / -1,050 lines. Final state identical to pre-rebase branch.