docker-compose.yaml

version: '3.3'

services:
  mysql:
    image: mysql:5.6
    ports:
      - "3306:3306"
    expose:
      - 3306
    networks:
      - backend
    restart: always
    environment: 
      MYSQL_ROOT_PASSWORD: "mysqlpwd"
    volumes:
      - "./db/database.sql:/docker-entrypoint-initdb.d/database.sql"

  jaeger:
    image: jaegertracing/all-in-one:1.22
    networks: 
      - backend
    ports:
    - "6831:6831"
    - "6832:6832"
    - "5778:5778"
    - "16686:16686"
    - "14268:14268"
    - "14250:14250"

  tracing-poc:
    # for local building
    # build: ./
    image: iqfarhad/medium-poc_tracing:latest
    ports:
      - "8080:8080"
    networks:
      - backend
    restart: always
    environment:
      PORT: ":8080"
      DEBUG: "true"
      TRACING_OPTION: "otel-collector" # or you can set it as jaeger-collector (traces will export to jaeger-collector straightly)
      OTEL_EXPORTER_OTLP_ENDPOINT: "otel-agent:4317"
      MYSQL_URL: "root:mysqlpwd@tcp(mysql:3306)/sampleDB"
      JAEGER_AGENT_NAME: "jaeger"
      JAEGER_AGENT_PORT: "5775"
      JAEGER_COLLECTOR_URL: "http://jaeger:14268/api/traces"
      QUERYYER_URL: "http://tracing-queryyer:8081/getPerson/"
      FORMATTER_URL: "http://tracing-formatter:8082/formatGreeting?"
    entrypoint: "/go/bin/tracing-poc"
  
  tracing-queryyer:
    # for local building
    # build: ./
    image: iqfarhad/medium-poc_tracing:latest
    ports:
      - "8081:8081"
    networks:
      - backend
    restart: always
    environment:
      PORT: ":8081"
      DEBUG: "true"
      TRACING_OPTION: "otel-collector" # or you can set it as jaeger-collector (traces will export to jaeger-collector straightly)
      OTEL_EXPORTER_OTLP_ENDPOINT: "otel-agent:4317"
      JAEGER_AGENT_NAME: "jaeger"
      JAEGER_AGENT_PORT: "5775"
      MYSQL_URL: "root:mysqlpwd@tcp(mysql:3306)/sampleDB"
      JAEGER_COLLECTOR_URL: "http://jaeger:14268/api/traces"
    entrypoint: "/go/bin/queryyer"
  
  tracing-formatter:
    # for local building
    # build: ./
    image: iqfarhad/medium-poc_tracing:latest
    ports:
      - "8082:8082"
    networks:
      - backend
    restart: always
    environment:
      PORT: ":8082"
      DEBUG: "true"
      TRACING_OPTION: "otel-collector" # or you can set it as jaeger-collector (traces will export to jaeger-collector straightly)
      OTEL_EXPORTER_OTLP_ENDPOINT: "otel-agent:4317"
      JAEGER_AGENT_NAME: "jaeger"
      JAEGER_AGENT_PORT: "5775"
      MYSQL_URL: "root:mysqlpwd@tcp(mysql:3306)/sampleDB"
      JAEGER_COLLECTOR_URL: "http://jaeger:14268/api/traces"
    entrypoint: "/go/bin/formatter"

  otel-agent:
    image: otel/opentelemetry-collector:latest
    command: ["--config=/etc/otel-agent-config.yaml", "--log-level=DEBUG"]
    volumes:
      - ./otel-config/config-agent.yaml:/etc/otel-agent-config.yaml
    # I'm exposing these port so I could've test my sample app out of docker (optional)
    ports:
      - "1777:1777"   # pprof extension
      - "55679:55679" # zpages extension
      - "13133"       # health_check
      - "4317:4317"   # OTLP grpc
      - "55681:55681" # OLTP HTTP
    networks:
      - backend

  otel-collector:
    image: otel/opentelemetry-collector:latest
    command: ["--config=/etc/otel-collector-config.yaml", "--log-level=DEBUG"]
    volumes:
      - ./otel-config/config-collector.yaml:/etc/otel-collector-config.yaml
    networks: 
      - backend

networks:
  backend: