docker-compose.yml

name: microservices-simulator

# ============================================
# SHARED CONFIGURATION (YAML anchors)
# ============================================

x-postgres-env: &postgres-env
  POSTGRES_USER: postgres
  POSTGRES_PASSWORD: postgres

x-service-db: &service-db
  image: postgres:14-alpine
  healthcheck:
    test: ["CMD-SHELL", "pg_isready -U postgres"]
    interval: 10s
    timeout: 5s
    retries: 5
  networks:
    - messaging-network

x-service-healthcheck: &service-healthcheck
  interval: 30s
  timeout: 10s
  retries: 5
  start_period: 180s

x-limits-small: &limits-small
  mem_limit: ${SMALL_MEM_LIMIT:-384m}
  mem_reservation: ${SMALL_MEM_RESERVATION:-256m}
  cpus: ${SMALL_CPUS:-0.5}

x-limits-medium: &limits-medium
  mem_limit: ${MEDIUM_MEM_LIMIT:-768m}
  mem_reservation: ${MEDIUM_MEM_RESERVATION:-512m}
  cpus: ${MEDIUM_CPUS:-1.0}

x-microservice-deps: &microservice-deps
  eureka-server:
    condition: service_healthy
  rabbitmq:
    condition: service_healthy
  jaeger:
    condition: service_started

services:
  # ============================================
  # INFRASTRUCTURE
  # ============================================
  eureka-server:
    image: steeltoeoss/eureka-server:4.1.1
    container_name: eureka-server
    ports:
      - "8761:8761"
    <<: *limits-medium
    networks:
      - messaging-network
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "wget", "-q", "--spider", "http://localhost:8761/actuator/health"]
      interval: 10s
      timeout: 5s
      retries: 10
      start_period: 30s

  jaeger:
    image: jaegertracing/all-in-one:1.75.0
    container_name: jaeger
    environment:
      COLLECTOR_OTLP_ENABLED: "true"
    ports:
      - "16686:16686" # Jaeger UI
      - "14250:14250" # Jaeger gRPC
      - "14268:14268" # Jaeger HTTP
      - "4317:4317"   # OTLP gRPC receiver
      - "4318:4318"   # OTLP HTTP receiver
    <<: *limits-small
    restart: unless-stopped
    networks:
      - messaging-network

  rabbitmq:
    image: rabbitmq:4-management
    container_name: rabbitmq
    hostname: rabbitmq
    ports:
      - "5672:5672"   # AMQP port
      - "15672:15672" # Management UI port
    environment:
      RABBITMQ_DEFAULT_USER: guest
      RABBITMQ_DEFAULT_PASS: guest
      RABBITMQ_DEFAULT_VHOST: /
    volumes:
      - rabbitmq_data:/var/lib/rabbitmq
    <<: *limits-small
    networks:
      - messaging-network
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "rabbitmqctl", "status"]
      interval: 10s
      timeout: 5s
      retries: 5

  # ============================================
  # SIMULATOR SERVICES
  # ============================================
  version-db:
    <<: [*service-db, *limits-small]
    container_name: version-db
    environment:
      <<: *postgres-env
      POSTGRES_DB: versiondb

  version-service:
    build:
      context: .
      dockerfile: simulator/Dockerfile
      args:
        PROFILE: version-service,${COMM_LAYER:-stream}
    image: simulator:latest
    pull_policy: build
    container_name: version-service
    depends_on:
      <<: *microservice-deps
      version-db:
        condition: service_healthy
    ports:
      - "8081:8081"
    restart: unless-stopped
    environment:
      START_CLASS: pt.ulisboa.tecnico.socialsoftware.ms.versioning.VersionServiceApplication
      SPRING_PROFILES_ACTIVE: version-service,${COMM_LAYER:-stream}
      SPRING_DATASOURCE_URL: jdbc:postgresql://version-db:5432/versiondb
      SPRING_RABBITMQ_HOST: rabbitmq
      EUREKA_HOST: eureka-server
      JAVA_TOOL_OPTIONS: '${JAVA_TOOL_OPTIONS:--XX:InitialRAMPercentage=50.0 -XX:MaxRAMPercentage=75.0}'
    <<: *limits-medium
    networks:
      - messaging-network
    healthcheck:
      <<: *service-healthcheck
      test: ["CMD-SHELL", "wget -q --spider http://localhost:8081/actuator/health || exit 1"]

  gateway:
    build:
      context: .
      dockerfile: simulator/Dockerfile
      args:
        PROFILE: gateway
    image: simulator:latest
    pull_policy: build
    container_name: gateway
    depends_on:
      <<: *microservice-deps
    ports:
      - "8080:8080"
    restart: unless-stopped
    environment:
      START_CLASS: pt.ulisboa.tecnico.socialsoftware.ms.gateway.GatewayApplication
      SPRING_PROFILES_ACTIVE: gateway
      VERSION_SERVICE_HOST: version-service
      EUREKA_HOST: eureka-server
      GATEWAY_LOG_LEVEL: INFO
      REACTIVE_LOG_LEVEL: INFO
      BUFFER_LOG_LEVEL: INFO
      JAVA_TOOL_OPTIONS: '${JAVA_TOOL_OPTIONS:--XX:InitialRAMPercentage=50.0 -XX:MaxRAMPercentage=75.0}'
    <<: *limits-medium
    networks:
      - messaging-network
    healthcheck:
      <<: *service-healthcheck
      test: ["CMD-SHELL", "wget -q --spider http://localhost:8080/actuator/health || exit 1"]

  # ============================================
  # TEST CONTAINER (SIMULATOR)
  # ============================================
  test-simulator-sagas:
    build:
      context: .
      dockerfile: simulator/Dockerfile.test
    image: simulator-tests:latest
    pull_policy: build
    stop_signal: SIGKILL
    stdin_open: true
    tty: true
    working_dir: /simulator
    command: mvn -Ptest-sagas test
    volumes:
      - m2_cache:/root/.m2

volumes:
  rabbitmq_data:
  m2_cache:

networks:
  messaging-network:
    driver: bridge