Book 4 capstone — GitHub webhook to Postgres

You finished Book 4 — Stage 1 Pipeline Skeleton.

Rubric (self-grade)

Criterion	Pass?
compose up — kafka, postgres, redis
ingestion POST → kafka_status published
team_events row in Postgres
metrics summary JSON
redis PUBLISH or SSE (optional)
traced event_id in logs

playstepchallengeinstructor

curl POST:8081/webhooks/hello → ingestion

Kafkaraw-dev-events (ingestion) → enriched-dev-events (llm Stage 3)

Consumeranalyzer run_consumer recv()

PostgresINSERT team_events ON CONFLICT DO UPDATE

QueryGET :8082/api/metrics/summary

Animate Stage 1

playstepchallengeinstructor

Animate flowPause

Axum Ingestionraw-dev-events

Python LLM Workerenriched-dev-events

Rust AnalyzerPostgres + Redis

SolidJS Dashboardlive metrics

Book 4 → Book 5 bridge

Book 5 adds gateway JWT/mTLS and the Python LLM worker — same pipeline, more stages.

Teach-back prompt

Demo Stage 1 in 3 minutes without opening IDE.