devops-cicd-pipeline/docker-compose.yml at main · Mmm11222/devops-cicd-pipeline · GitHub

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networks:
  # Rede isolada para comunicação entre microserviços e stack de monitorização
  microservices-net:
    driver: bridge

volumes:
  # Volumes para persistência de dados após reinicialização dos contentores
  tempo-data:
  loki-data:
  prometheus-data:
  grafana-data:
  promtail-positions:

services:
  # --- Serviço de Utilizadores ---
  users-service:
    build:
      context: .
      dockerfile: app/users/Dockerfile.users
    image: users-service:${TYPE:-latest}
    container_name: users-service
    environment:
      # Endpoint para onde o código Python envia os spans (traces)
      OTEL_EXPORTER_OTLP_ENDPOINT: http://otel-collector:4317
      OTEL_SERVICE_NAME: users-service
      ENVIRONMENT: docker
    ports:
      - "5000:5000"
    networks:
      - microservices-net
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:5000/health"]
      interval: 10s
      timeout: 5s
      retries: 3

  # --- Serviço de Produtos ---
  products-service:
    build:
      context: .
      dockerfile: app/products/Dockerfile.products
    image: products-service:${TYPE:-latest}
    container_name: products-service
    environment:
      OTEL_EXPORTER_OTLP_ENDPOINT: http://otel-collector:4317
      OTEL_SERVICE_NAME: products-service
      USERS_SERVICE_URL: http://users-service:5000
      ENVIRONMENT: docker
    ports:
      - "5001:5001"
    networks:
      - microservices-net
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:5001/health"]
      interval: 10s
      timeout: 5s
      retries: 3

  # --- Coletor OpenTelemetry (Ponte de Tracing) ---
  otel-collector:
    image: otel/opentelemetry-collector-contrib:0.90.1
    container_name: otel-collector
    user: "0:0"
    command: ["--config=/etc/otel-collector-config.yml"]
    volumes:
      # Mapeamento do ficheiro de configuração (extensão .yml preservada)
      - ./config/otel-collector-config.yml:/etc/otel-collector-config.yml:ro
    ports:
      - "4317:4317" # gRPC para Traces/Metrics
      - "4318:4318" # HTTP para Traces/Metrics
      - "8889:8889" # Mudança estratégica: 8889 (Host) mapeia para 8888 (Container)
    networks:
      - microservices-net

  # --- Grafana Tempo (Armazenamento de Traces) ---
  tempo:
    image: grafana/tempo:2.2.3
    container_name: grafana-tempo
    user: "0:0"
    command: ["-config.file=/etc/tempo.yml"]
    volumes:
      - ./config/tempo-config.yml:/etc/tempo.yml:ro
      - tempo-data:/tmp/tempo
    ports:
      - "3200:3200"
    networks:
      - microservices-net

  # --- Grafana Loki (Armazenamento de Logs) ---
  loki:
    image: grafana/loki:2.9.2
    container_name: grafana-loki
    user: "0:0"
    ports:
      - "3100:3100"
    volumes:
      - loki-data:/loki  #
    command: -config.file=/etc/loki/local-config.yaml
    networks:
      - microservices-net

  # --- Prometheus (Métricas) ---
  prometheus:
    image: prom/prometheus:v2.48.0
    container_name: prometheus
    user: "0:0"
    volumes:
      - ./config/prometheus.yml:/etc/prometheus/prometheus.yml:ro
      - prometheus-data:/prometheus
    ports:
      - "9090:9090"
    networks:
      - microservices-net

  # --- Grafana (Visualização e Dashboards) ---
  grafana:
    image: grafana/grafana:10.2.2
    container_name: grafana
    user: "0:0"
    environment:
      # Se não houver export, o Docker usará 'admin' como fallback
      - GF_SECURITY_ADMIN_USER=${GRAFANA_USER}
      - GF_SECURITY_ADMIN_PASSWORD=${GRAFANA_PASS}
      - GF_AUTH_ANONYMOUS_ENABLED=false

    volumes:
      # Provisionamento automático de Data Sources e Dashboards (.yml)
      - ./config/grafana/provisioning:/etc/grafana/provisioning:ro
      - ./config/grafana/dashboards:/var/lib/grafana/dashboards:ro
      - grafana-data:/var/lib/grafana
    ports:
      - "3000:3000"
    networks:
      - microservices-net
    restart: unless-stopped

  # --- Promtail (Agente de Logs) ---
  promtail:
    image: grafana/promtail:latest
    container_name: promtail
    user: "0:0"
    # Permissões elevadas para ler os logs dos contentores no host
    privileged: true
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
      - /var/lib/docker/containers:/var/lib/docker/containers:ro
      - ./config/promtail-config.yml:/etc/promtail/config.yml:ro
      - promtail-positions:/tmp
    command: -config.file=/etc/promtail/config.yml -config.expand-env=true
    networks:
      - microservices-net