docker-compose.yaml

version: "2"

services:
  mongo:
    image: mongo:5.0.4
    restart: always
    environment:
      - MONGO_INITDB_ROOT_USERNAME=admin
      - MONGO_INITDB_ROOT_PASSWORD=admin
      - MONGO_INITDB_DATABASE=backend
    ports:
      - "27017:27017"
    volumes:
      - ./services/utils/mongodb/init:/docker-entrypoint-initdb.d
      # - ./services/utils/mongodb/data:/data/db

  redis:
    image: redis:5.0.13
    ports:
      - "6379:6379"
    # volumes:
    #   - ./services/utils/redis/data:/data

  template-service:
    image: martinnirtl/demos.opentelemetry.template-service:latest
    build: services/template-service
    # entrypoint: ["tail", "-f", "/dev/null"]
    command: ["-r", "./src/tracing-dev.js", "src/index.js"]
    environment:
      - PORT=4200
      - REDIS_HOST=redis
      - REDIS_PORT=6379
      - REDIS_DB=2
      - OTEL_ENDPOINT_URL=grpc://otel-collector:4317 # The CollectorTraceExporter in Node expects the URL to only be the hostname. It will not work with /v1/traces.
    ports:
      - "4200:4200"

  mail-service:
    image: martinnirtl/demos.opentelemetry.mail-service:latest
    build: services/mail-service
    # entrypoint: ["tail", "-f", "/dev/null"]
    command: ["-r", "./src/tracing.js", "src/index.js"]
    environment:
      - PORT=4100
      - REDIS_HOST=redis
      - REDIS_PORT=6379
      - REDIS_DB=1
      - TEMPLATE_SERVICE_GRPC=template-service:4200
      - OTEL_ENDPOINT_URL=grpc://otel-collector:4317 # The CollectorTraceExporter in Node expects the URL to only be the hostname. It will not work with /v1/traces.
      # - OTEL_AUTH_HEADER= # Using otel-collector as gateway.
    ports:
      - "4100:4100"

  backend:
    image: martinnirtl/demos.opentelemetry.backend:latest
    build: services/backend
    # entrypoint: ["tail", "-f", "/dev/null"]
    command: ["-r", "./src/tracing-dev.js", "src/index.js"]
    environment:
      - PORT=4000
      - DB_CONNECTION_URL=mongodb://backend:swordfish@mongo:27017/backend # Use variable expansion for username and password.
      - MAIL_SERVICE_BASE_URL=http://mail-service:4100
      - OTEL_ENDPOINT_URL=grpc://otel-collector:4317 # The CollectorTraceExporter in Node expects the URL to only be the hostname. It will not work with /v1/traces.
    ports:
      - "4000:4000"

  # loadgen:
  #   image: martinnirtl/demos.opentelemetry.loadgen:latest
  #   build: services/loadgen
  #   # entrypoint: ["tail", "-f", "/dev/null"]
  #   environment:
  #     - BACKEND_BASE_URL=http://backend:4000

  otel-collector:
    image: otel/opentelemetry-collector:latest
    command: ["--config=/etc/otel-collector-config.yaml"]
    environment:
      - OTEL_ENDPOINT_URL # Set via .env file
      - OTEL_AUTH_HEADER # Set via .env file
    ports:
      # - "1888:1888"   # pprof extension
      - "8888:8888" # Prometheus metrics exposed by the collector
      # - "8889:8889"   # Prometheus exporter metrics
      # - "13133:13133" # health_check extension
      - "4317:4317" # OTLP gRPC receiver
      # - "4318:4318" # OTLP HTTP receiver
      # - "55670:55679" # zpages extension
    volumes:
      - ./services/otel/config-dev.yaml:/etc/otel-collector-config.yaml

  tempo:
    image: grafana/tempo:latest
    command: [ "-config.file=/etc/tempo.yaml" ]
    volumes:
      - ./services/utils/tempo.yaml:/etc/tempo.yaml
      # - ./tempo-data:/tmp/tempo

  grafana:
    image: grafana/grafana-oss:8.3.4
    environment:
      - GF_AUTH_ANONYMOUS_ENABLED=true
      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
      - GF_AUTH_DISABLE_LOGIN_FORM=true
    ports:
      - "3000:3000"
    volumes:
      - ./services/utils/grafana-datasources.yaml:/etc/grafana/provisioning/datasources/datasources.yaml