Add Tempo and Prometheus services to Docker Compose; update configura…

examples/otel-collector/docker-compose.yml

@@ -26,18 +26,44 @@ services:
       - otel-network
     user: "0:0"  # Run as root to ensure write permissions
 
-  # jaeger:
-  #   image: jaegertracing/all-in-one:latest
-  #   ports:
-  #     - "16686:16686"  # Jaeger UI
-  #     - "9411:9411"    # Zipkin compatible endpoint
-  #   networks:
-  #     - otel-network
+  tempo:
+    image: grafana/tempo:latest
+    command: ["-config.file=/etc/tempo.yaml"]
+    volumes:
+      - ./tempo.yaml:/etc/tempo.yaml
+      - ./tempo-data:/tmp/tempo
+    ports:
+      - "3200:3200"
+    networks:
+      - otel-network
+    user: "0:0"
+
+  prometheus:
+    image: prom/prometheus:latest
+    command: ["--config.file=/etc/prometheus.yaml"]
+    volumes:
+      - ./prometheus.yaml:/etc/prometheus.yaml
+      - prometheus-data:/prometheus
+    ports:
+      - "9093:9093"
+    networks:
+      - otel-network
+
+  grafana:
+    image: grafana/grafana:latest
+    volumes:
+      - grafana-data:/var/lib/grafana
+    ports:
+      - "3003:3003"
+    networks:
+      - otel-network
 
 networks:
   otel-network:
     driver: bridge
 
 volumes:
   otel-collector-logs:
-    # Using a named volume with proper permissions
+  tempo-data: {}
+  prometheus-data: {}
+  grafana-data: {}

examples/otel-collector/otel-collector-config.yaml

@@ -7,6 +7,10 @@ receivers:
         endpoint: "0.0.0.0:4318"
 
 exporters:
+  otlp:
+    endpoint: "tempo:4317"
+    tls:
+      insecure: true
   debug: {}  # For debugging telemetry data in the console
 
   # prometheus:
@@ -34,7 +38,7 @@ service:
 
     traces:
       receivers: [otlp]
-      exporters: [file/traces]  # Zipkin exporter will send to Jaeger
+      exporters: [file/traces, otlp]  # Zipkin exporter will send to Jaeger
   telemetry:
       logs:
         level: debug

examples/otel-collector/prometheus.yaml

@@ -0,0 +1,10 @@
+global:
+  scrape_interval: 15s
+
+scrape_configs:
+  - job_name: 'prometheus'
+    static_configs:
+      - targets: ['localhost:9093']
+  - job_name: 'tempo'
+    static_configs:
+      - targets: ['tempo:3200']

examples/otel-collector/requirements.txt

@@ -1,3 +1,4 @@
 fastapi
 uvicorn
+openai
 

examples/otel-collector/tempo-data/blocks/tempo_cluster_seed.json

@@ -0,0 +1 @@
+{"UID":"c507d1c2-ad39-474f-a9f8-a2f18aec8368","created_at":"2025-08-04T08:37:14.043056694Z","version":{"version":"v2.8.1","revision":"9874d459b","branch":"main","buildUser":"","buildDate":"","goVersion":"go1.24.5"}}

examples/otel-collector/tempo.yaml

@@ -0,0 +1,43 @@
+server:
+  http_listen_port: 3200
+
+distributor:
+  receivers:
+    otlp:
+      protocols:
+        grpc:
+          endpoint: 0.0.0.0:4317
+        http:
+          endpoint: 0.0.0.0:4318
+
+ingester:
+  trace_idle_period: 10s
+  max_block_bytes: 1000000
+  max_block_duration: 5m
+
+compactor:
+  compaction:
+    compaction_window: 1h
+    max_block_bytes: 100000000
+    block_retention: 1h
+    compacted_block_retention: 10m
+
+storage:
+  trace:
+    backend: local
+    local:
+      path: /tmp/tempo/blocks
+
+# metrics_generator_enabled: true
+
+metrics_generator:
+  registry:
+    external_labels:
+      source: tempo
+  storage:
+    path: /tmp/tempo/generator/wal
+    remote_write:
+      - url: http://prometheus:9093/api/v1/write
+        send_exemplars: true
+
+overrides: {}