Monorepo and Docker Compose

Book 4 is build-along — you ship the Stage 1 skeleton while reading code that already exists in this repo.

Monorepo tour

playstepchallengeinstructor

apps/academyTeach — Astro lessonsapps/radarShip — SolidJS dashboard (Stage 4)services/ingestionShip — Axum webhook → Kafkaservices/analyzerShip — Kafka consumer → Postgres/Redisservices/gatewayShip — JWT + mTLS (Stage 2)services/llm-workerShip — Python enrichment (Stage 3)packages/lesson-widgetsShared — Academy interactivesinfra/dockerLocal — Kafka + Postgres + Redis

Selected: apps/academy — Teach — Astro lessons

Path	Stage 1 role
services/ingestion	Webhook API
services/analyzer	Consumer + metrics API
infra/docker	Kafka, Postgres, Redis

Compose up

pnpm compose:up   # or cd infra/docker && docker compose up -d

playstepchallengeinstructor

Host (your laptop)curl :8081 · radar :5174kafka9092 → brokerpostgres5432 → team_radar DBredis6379 → pub/submillipede-ingestion8081 (compose service)millipede-llm-workerconsumes Kafkamillipede-analyzer8082 health

Selected: kafka — see infra/docker/

Teach-back prompt

Which two services need compose healthy before cargo run -p millipede-analyzer?