docker-compose.yml

x-common: &common
  networks:
    - person-network
  restart: unless-stopped

services:
  person-api:
    !!merge <<: *common
    build: .
    ports:
      - "8080:8080"
    depends_on:
      postgres:
        condition: service_healthy
      fluent-bit:
        condition: service_started
    environment:
      - SPRING_DATASOURCE_URL=jdbc:postgresql://postgres:5432/persondb
      - SPRING_DATASOURCE_USERNAME=postgres
      - SPRING_DATASOURCE_PASSWORD=postgres
      - OTEL_EXPORTER_OTLP_ENDPOINT=http://tempo:4318
      - OTEL_SERVICE_NAME=person-api
      - OTEL_TRACES_EXPORTER=otlp
      - OTEL_METRICS_EXPORTER=none
      - OTEL_LOGS_EXPORTER=none
      - OTEL_RESOURCE_ATTRIBUTES=api=person-api
      - MANAGEMENT_METRICS_TAGS_APPLICATION=person-api
      - JAVA_TOOL_OPTIONS=-XX:MaxRAMPercentage=70.0 -XX:InitialRAMPercentage=50.0 -XX:+UseG1GC -XX:+UseContainerSupport -XX:+ExitOnOutOfMemoryError
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 512M
        reservations:
          cpus: '0.25'
          memory: 256M
    healthcheck:
      test: [ "CMD", "curl", "-f", "http://localhost:8080/actuator/health" ]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 10s
    logging:
      driver: fluentd
      options:
        fluentd-address: 127.0.0.1:24224

  postgres:
    !!merge <<: *common
    image: postgres:17-alpine
    ports:
      - "5432:5432"
    environment:
      - POSTGRES_DB=persondb
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
    volumes:
      - postgres-data:/var/lib/postgresql/data
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512M
        reservations:
          cpus: '0.25'
          memory: 256M
    healthcheck:
      test: [ "CMD-SHELL", "pg_isready -U postgres" ]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 10s

  loki:
    !!merge <<: *common
    image: grafana/loki:3.4.2
    command: -config.file=/etc/loki/local-config.yaml
    ports:
      - "3100:3100"
    volumes:
      - ./etc/loki/loki.yaml:/etc/loki/local-config.yaml
      - loki-data:/loki
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512M
        reservations:
          cpus: '0.1'
          memory: 64M
    healthcheck:
      test: [ "CMD-SHELL", "wget --no-verbose --tries=1 --spider http://localhost:3100/ready || exit 1" ]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 10s

  fluent-bit:
    !!merge <<: *common
    image: grafana/fluent-bit-plugin-loki:3.2.1
    container_name: fluent-bit
    ports:
      - "24224:24224"
    environment:
      - LOKI_URL=http://loki:3100/loki/api/v1/push
    volumes:
      - ./etc/fluent-bit/fluent-bit.conf:/fluent-bit/etc/fluent-bit.conf
    depends_on:
      loki:
        condition: service_healthy
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M
        reservations:
          cpus: '0.25'
          memory: 64M
    healthcheck:
      test: [ "CMD-SHELL", "nc -z localhost 24224 || exit 1" ]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 10s

  prometheus:
    !!merge <<: *common
    image: prom/prometheus:v2.53.4
    command:
      - --config.file=/etc/prometheus/prometheus.yml
      - --storage.tsdb.path=/prometheus
    ports:
      - "9090:9090"
    volumes:
      - ./etc/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
      - prometheus-data:/prometheus
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 1G
        reservations:
          cpus: '0.25'
          memory: 256M
    healthcheck:
      test: [ "CMD-SHELL", "wget --no-verbose --tries=1 --spider http://localhost:9090/-/healthy || exit 1" ]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 10s

  tempo:
    !!merge <<: *common
    image: grafana/tempo:2.7.1
    command: -config.file /etc/tempo-config.yml
    ports:
      - "3200:3200"
      - "4317:4317"
      - "4318:4318"
    volumes:
      - ./etc/tempo/tempo.yml:/etc/tempo-config.yml
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512M
        reservations:
          cpus: '0.1'
          memory: 64M
    healthcheck:
      test: [ "CMD-SHELL", "wget --no-verbose --tries=1 --spider http://localhost:3200/ready || exit 1" ]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 10s

  grafana:
    !!merge <<: *common
    image: grafana/grafana:11.5.2
    ports:
      - "3000:3000"
    volumes:
      - ./etc/grafana/:/etc/grafana/provisioning/datasources
      - ./etc/dashboards.yaml:/etc/grafana/provisioning/dashboards/dashboards.yaml
      - ./etc/dashboards:/etc/grafana/dashboards
    depends_on:
      loki:
        condition: service_healthy
      prometheus:
        condition: service_healthy
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512M
        reservations:
          cpus: '0.1'
          memory: 64M
    healthcheck:
      test: [ "CMD-SHELL", "wget --no-verbose --tries=1 --spider http://localhost:3000/api/health || exit 1" ]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 10s

networks:
  person-network:
    name: person-network
    driver: bridge

volumes:
  postgres-data:
  prometheus-data:
  loki-data: