feat: add lab SQLite migrate, LiteLLM env, and OTEL/Grafana stack

Enable local workshop readiness with executable SQLite migrations, OpenTelemetry hello signals, and a provisioned Grafana demo dashboard over Tempo/Loki/Prometheus. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-11 14:58:33 -03:00
parent 5307e2a9fa
commit 3b5c3fb86f
19 changed files with 1487 additions and 6 deletions
@@ -0,0 +1,72 @@
+# TicketLab lab observability — Grafana + Tempo + Loki + OTEL Collector (+ Prometheus)
+# Start: docker compose up -d
+# UI:    http://localhost:3001  (admin / admin)
+# OTLP:  http://localhost:4318 (HTTP) | localhost:4317 (gRPC)
+
+services:
+  otel-collector:
+    image: otel/opentelemetry-collector-contrib:0.120.0
+    command: ["--config=/etc/otelcol/config.yaml"]
+    volumes:
+      - ./observability/otel-collector-config.yaml:/etc/otelcol/config.yaml:ro
+    ports:
+      - "4317:4317" # OTLP gRPC
+      - "4318:4318" # OTLP HTTP
+      - "8889:8889" # collector Prometheus metrics (optional)
+    depends_on:
+      - tempo
+      - loki
+      - prometheus
+
+  tempo:
+    image: grafana/tempo:2.7.1
+    command: ["-config.file=/etc/tempo/tempo.yaml"]
+    volumes:
+      - ./observability/tempo.yaml:/etc/tempo/tempo.yaml:ro
+      - tempo-data:/var/tempo
+    ports:
+      - "3200:3200" # Tempo HTTP / API
+
+  loki:
+    image: grafana/loki:3.4.2
+    command: ["-config.file=/etc/loki/loki.yaml"]
+    volumes:
+      - ./observability/loki.yaml:/etc/loki/loki.yaml:ro
+      - loki-data:/loki
+    ports:
+      - "3100:3100"
+
+  prometheus:
+    image: prom/prometheus:v3.2.1
+    volumes:
+      - ./observability/prometheus.yml:/etc/prometheus/prometheus.yml:ro
+      - prometheus-data:/prometheus
+    ports:
+      - "9090:9090"
+    # Host scrape: app on the host publishing GET /metrics
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+
+  grafana:
+    image: grafana/grafana:11.5.2
+    environment:
+      GF_SECURITY_ADMIN_USER: admin
+      GF_SECURITY_ADMIN_PASSWORD: admin
+      GF_AUTH_ANONYMOUS_ENABLED: "true"
+      GF_AUTH_ANONYMOUS_ORG_ROLE: Viewer
+      GF_USERS_DEFAULT_THEME: dark
+    volumes:
+      - ./observability/grafana/provisioning:/etc/grafana/provisioning:ro
+      - grafana-data:/var/lib/grafana
+    ports:
+      - "3001:3000"
+    depends_on:
+      - tempo
+      - loki
+      - prometheus
+
+volumes:
+  tempo-data:
+  loki-data:
+  prometheus-data:
+  grafana-data: