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| # ════════════════════════════════════════════════════════════ | |
| # MicProtocol - Monitoring Stack (OTel, Loki, Prometheus, Grafana) | |
| # Runs with --network host so all services are reachable at localhost | |
| # ════════════════════════════════════════════════════════════ | |
| version: "3.8" | |
| services: | |
| # ─── Prometheus (Metrics) ────────────────────────────────── | |
| prometheus: | |
| image: prom/prometheus:latest | |
| container_name: micprotocol-prometheus | |
| restart: unless-stopped | |
| network_mode: host | |
| ports: | |
| - "9090:9090" | |
| volumes: | |
| - ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml:ro | |
| - prometheus_data:/prometheus | |
| command: | |
| - --config.file=/etc/prometheus/prometheus.yml | |
| - --storage.tsdb.path=/prometheus | |
| - --web.console.libraries=/etc/prometheus/console_libraries | |
| - --web.console.templates=/etc/prometheus/consoles | |
| - --web.enable-lifecycle | |
| - --web.listen-address=0.0.0.0:9090 | |
| # ─── Loki (Logs) ─────────────────────────────────────────── | |
| loki: | |
| image: grafana/loki:latest | |
| container_name: micprotocol-loki | |
| restart: unless-stopped | |
| network_mode: host | |
| ports: | |
| - "3100:3100" | |
| volumes: | |
| - ./loki/loki-config.yaml:/etc/loki/local-config.yaml:ro | |
| command: -config.file=/etc/loki/local-config.yaml | |
| # ─── OpenTelemetry Collector (Traces + Metrics + Logs) ───── | |
| otel-collector: | |
| image: otel/opentelemetry-collector-contrib:latest | |
| container_name: micprotocol-otel-collector | |
| restart: unless-stopped | |
| network_mode: host | |
| ports: | |
| - "4317:4317" # OTLP gRPC | |
| - "4318:4318" # OTLP HTTP | |
| - "8888:8888" # metrics endpoint | |
| volumes: | |
| - ./otel-collector/config.yaml:/etc/otel-collector/config.yaml:ro | |
| command: ["--config=/etc/otel-collector/config.yaml"] | |
| depends_on: | |
| - prometheus | |
| - loki | |
| # ─── Grafana (Visualization) ─────────────────────────────── | |
| grafana: | |
| image: grafana/grafana:latest | |
| container_name: micprotocol-grafana | |
| restart: unless-stopped | |
| network_mode: host | |
| ports: | |
| - "3005:3000" | |
| environment: | |
| - GF_SECURITY_ADMIN_USER=${GRAFANA_ADMIN_USER:-admin} | |
| - GF_SECURITY_ADMIN_PASSWORD=${GRAFANA_ADMIN_PASSWORD:-admin} | |
| - GF_USERS_DEFAULT_THEME=dark | |
| - GF_SERVER__HTTP_PORT=3005 | |
| volumes: | |
| - ./grafana/datasources.yml:/etc/grafana/provisioning/datasources/datasources.yml:ro | |
| - ./grafana/dashboards:/etc/grafana/provisioning/dashboards:ro | |
| - grafana_data:/var/lib/grafana | |
| depends_on: | |
| - prometheus | |
| - loki | |
| # ─── Volumes ───────────────────────────────────────────────── | |
| volumes: | |
| prometheus_data: | |
| driver: local | |
| grafana_data: | |
| driver: local | |