docker-compose.yml

version: "3"
x-default-logging: &logging
   driver: "json-file"
   options:
     max-size: "5m"
     max-file: "2"
networks:
  default:
    name: api-o11y
    driver: bridge
services:
  mysql-auth:
    image: mariadb:10.5.8
    command: --default-authentication-plugin=mysql_native_password --init-file /data/application/init.sql
    volumes:
      - ./auth/ops/db/init.sql:/data/application/init.sql
    environment:
      MYSQL_ROOT_PASSWORD: auth_pwd
      MYSQL_DATABASE: auth_db
      MYSQL_USER: auth_user
      MYSQL_PASSWORD: auth_pwd
    ports:
      - "3306:3306"
    container_name: auth_mysql
  mysql-feedbacks:
    image: mariadb:10.5.8
    command: --default-authentication-plugin=mysql_native_password --init-file /data/application/init.sql
    volumes:
      - ./feedbacks/ops/db/init.sql:/data/application/init.sql
    environment:
      MYSQL_ROOT_PASSWORD: feedbacks_pwd
      MYSQL_DATABASE: feedbacks_db
      MYSQL_USER: feedbacks_user
      MYSQL_PASSWORD: feedbacks_pwd
    ports:
      - "3307:3306"
    container_name: feedbacks_mysql
  mysql-votes:
    image: mariadb:10.5.8
    command: --default-authentication-plugin=mysql_native_password --init-file /data/application/init.sql
    volumes:
      - ./votes/ops/db/init.sql:/data/application/init.sql
    environment:
      MYSQL_ROOT_PASSWORD: votes_pwd
      MYSQL_DATABASE: votes_db
      MYSQL_USER: votes_user
      MYSQL_PASSWORD: votes_pwd
    ports:
      - "3308:3306"
    container_name: votes_mysql
  auth:
    image: auth
    build:
      context: ./
      dockerfile: ./auth/Dockerfile
    environment:
      DB_USER: "auth_user"
      DB_PASSWORD: "auth_pwd"
      DB_HOST: "auth_mysql"
      DB_DATABASE: "auth_db"
      DB_PORT: "3306"
      PORT: "8081"
      OTEL_EXPORTER_OTLP_ENDPOINT: "${OTEL_EXPORTER_OTLP_ENDPOINT}"
      JAEGER_TRACEPROVIDER: "${JAEGER_TRACEPROVIDER}"
    ports:
      - "8081:8081"
    container_name: auth
    depends_on:
      - mysql-auth
      - otelcol
  feedbacks:
    image: feedbacks
    build:
      context: ./
      dockerfile: ./feedbacks/Dockerfile
    environment:
      DB_USER: "feedbacks_user"
      DB_PASSWORD: "feedbacks_pwd"
      DB_HOST: "feedbacks_mysql"
      DB_DATABASE: "feedbacks_db"
      DB_PORT: "3306"
      PORT: "8082"
      AUTH_URL: "http://auth:8081"
      OTEL_EXPORTER_OTLP_ENDPOINT: "${OTEL_EXPORTER_OTLP_ENDPOINT}"
      JAEGER_TRACEPROVIDER: "${JAEGER_TRACEPROVIDER}"
    ports:
      - "8082:8082"
    container_name: feedbacks
    depends_on:
      - mysql-feedbacks
      - otelcol
  votes:
    image: votes
    build:
      context: ./
      dockerfile: ./votes/Dockerfile
    environment:
      DB_USER: "votes_user"
      DB_PASSWORD: "votes_pwd"
      DB_HOST: "votes_mysql"
      DB_DATABASE: "votes_db"
      DB_PORT: "3306"
      PORT: "8083"
      AUTH_URL: "http://auth:8081"
      OTEL_EXPORTER_OTLP_ENDPOINT: "${OTEL_EXPORTER_OTLP_ENDPOINT}"
      JAEGER_TRACEPROVIDER: "${JAEGER_TRACEPROVIDER}"
    ports:
      - "8083:8083"
    container_name: votes
    depends_on:
      - mysql-votes
      - otelcol

  # ********************
  # Telemetry Components
  # ********************
  # Jaeger
  jaeger:
    image: jaegertracing/all-in-one
    container_name: jaeger
    command:
      - "--log-level=debug"
      - "--memory.max-traces"
      - "10000"
      - "--query.base-path"
      - "/jaeger/ui"
      - "--prometheus.server-url"
      - "http://${PROMETHEUS_ADDR}"
    deploy:
      resources:
        limits:
          memory: 300M
    restart: unless-stopped
    ports:
      - "${JAEGER_SERVICE_PORT}:${JAEGER_SERVICE_PORT}"                    # Jaeger UI
      - "14250:14250"
      - "14268:14268" # Jaeger collector
      - "4317"                           # OTLP gRPC default port
    environment:
      - COLLECTOR_OTLP_ENABLED=true
      - METRICS_STORAGE_TYPE=prometheus
    logging: *logging

  # Grafana
  grafana:
    image: grafana/grafana:9.1.0
    container_name: grafana
    ports:
      - "${GRAFANA_SERVICE_PORT}:${GRAFANA_SERVICE_PORT}"
    depends_on:
      - prometheus
    logging: *logging

  # OpenTelemetry Collector
  otelcol:
    image: otel/opentelemetry-collector-contrib:0.74.0
    container_name: otel-col
    deploy:
      resources:
        limits:
          memory: 125M
    restart: unless-stopped
    command: [ "--config=/etc/otelcol-config.yml", "--config=/etc/otelcol-config-extras.yml" ]
    volumes:
      - ./ops/otelcollector/otelcol-config.yml:/etc/otelcol-config.yml
      - ./ops/otelcollector/otelcol-config-extras.yml:/etc/otelcol-config-extras.yml
    ports:
      - "4317"          # OTLP over gRPC receiver
      - "4318:4318"     # OTLP over HTTP receiver
      - "9464"          # Prometheus exporter
      - "8888"          # metrics endpoint
    depends_on:
      - jaeger
    logging: *logging

  # Prometheus
  prometheus:
    image: quay.io/prometheus/prometheus:v2.34.0
    container_name: prometheus
    command:
      - --web.console.templates=/etc/prometheus/consoles
      - --web.console.libraries=/etc/prometheus/console_libraries
      - --storage.tsdb.retention.time=1h
      - --config.file=/etc/prometheus/prometheus-config.yaml
      - --storage.tsdb.path=/prometheus
      - --web.enable-lifecycle
      - --web.route-prefix=/
      - --enable-feature=exemplar-storage
    volumes:
      - ./ops/prometheus/prometheus-config.yaml:/etc/prometheus/prometheus-config.yaml
    deploy:
      resources:
        limits:
          memory: 300M
    ports:
      - "${PROMETHEUS_SERVICE_PORT}:${PROMETHEUS_SERVICE_PORT}"
    logging: *logging