docker-compose.yml

version: '3.6'

services:
  postgres:
    container_name: postgres
    build:
      context: ./devops/postgres
    restart: always
    ports:
      - "5432:5432"
    env_file:
      - .env
    volumes:
      - ./devops/postgres/init.sql:/docker-entrypoint-initdb.d/init.sql
      - db-data:/var/lib/postgresql/data
      - db-logs:/var/log/postgresql

  backend:
    container_name: backend
    build:
      context: .
    env_file:
      - .env
    environment:
      POSTGRES_HOST: postgres
    volumes:
      - .:/app
      - /app/node_modules
    ports:
      - "5000:5000"
      - "9229:9229"
    command: npm run start
    depends_on:
      - postgres
    restart: always
    links:
      - postgres
      - loki
    healthcheck:
      test: [ "CMD", "curl", "-f", "http://localhost:5000/health" ]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 40s

  nginx:
    image: nginx:1.23.1-alpine
    container_name: nginx
    restart: always
    volumes:
      - ./devops/nginx/page.conf:/etc/nginx/page.conf
      - ./devops/nginx/nginx.conf:/etc/nginx/nginx.conf
      - /var/log/nginx:/var/log/nginx/
    ports:
      - "80:80"
    links:
      - backend

  cadvisor:
    image: gcr.io/cadvisor/cadvisor-arm:v0.45.0
    container_name: cadvisor
    restart: always
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:rw
      - /sys:/sys:ro
      - /var/lib/docker:/var/lib/docker:ro
    labels:
      org.label-schema.group: 'monitoring'

  node-exporter:
    image: prom/node-exporter:v1.4.0
    container_name: node-exporter
    restart: always
    volumes:
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
      - /:/rootfs:ro
    command:
      - '--path.procfs=/host/proc'
      - '--path.rootfs=/rootfs'
      - '--path.sysfs=/host/sys'
      - '--collector.filesystem.ignored-mount-points=^/(sys|proc|dev|host|etc)($$|/)'
    labels:
      org.label-schema.group: 'monitoring'

  nginx-exporter:
    image: nginx/nginx-prometheus-exporter:0.11.0
    container_name: nginx-exporter
    restart: always
    environment:
      - SCRAPE_URI=http://nginx/nginx_status
      - TELEMETRY_PATH=/metrics
      - NGINX_RETRIES=10
    links:
      - nginx
    logging:
      driver: 'json-file'
      options:
        max-size: '5m'
    labels:
      org.label-schema.group: 'monitoring'

  postgres-exporter:
    image: wrouesnel/postgres_exporter:v0.8.0
    container_name: postgres-exporter
    restart: always
    environment:
      - DATA_SOURCE_URI=postgres/${POSTGRES_DB}?sslmode=disable
      - DATA_SOURCE_USER=${POSTGRES_USER}
      - DATA_SOURCE_PASS=${POSTGRES_PASSWORD}
    depends_on:
      - postgres
    links:
      - postgres
    labels:
      org.label-schema.group: 'monitoring'

  prometheus:
    image: prom/prometheus:v2.39.1
    container_name: prometheus
    restart: always
    ports:
      - "9090:9090"
    volumes:
      - ./devops/prometheus/:/etc/prometheus/
      - prometheus-data:/prometheus
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--web.console.libraries=/usr/share/prometheus/console_libraries'
      - '--web.console.templates=/usr/share/prometheus/consoles'
    links:
      - backend
      - cadvisor
      - postgres-exporter
      - nginx-exporter
      - node-exporter
    labels:
      org.label-schema.group: 'monitoring'

  loki:
    image: grafana/loki:2.6.1
    container_name: loki
    restart: always
    ports:
      - "3100:3100"
    volumes:
      - ./devops/loki:/etc/loki
      - loki-data:/tmp/loki/
    command: -config.file=/etc/loki/loki-config.yml

  grafana:
    image: grafana/grafana:9.2.0
    container_name: grafana
    restart: always
    ports:
      - "3000:3000"
    volumes:
      - grafana-data:/var/lib/grafana
      - ./devops/grafana/provisioning/:/etc/grafana/provisioning/
    environment:
      - GF_SERVER_ROOT_URL=http://localhost/grafana
      - GF_SECURITY_ADMIN_PASSWORD=${GF_SECURITY_ADMIN_PASSWORD}
      - GF_USERS_ALLOW_SIGN_UP=${GF_USERS_ALLOW_SIGN_UP}
      - GF_SERVER_SERVE_FROM_SUB_PATH=${GF_SERVER_SERVE_FROM_SUB_PATH}
    depends_on:
      - prometheus
      - loki
    labels:
      org.label-schema.group: 'monitoring'

  promtail:
    image: grafana/promtail:main-c8632e6
    container_name: promtail
    restart: always
    volumes:
      - ./devops/loki:/etc/promtail
      - db-logs:/var/log/postgresql
      - /var/log/nginx:/var/log/nginx
    command: -config.file=/etc/promtail/loki-promtail-config.yml
    links:
      - loki

volumes:
  db-logs:
  db-data:
  prometheus-data:
  loki-data:
  grafana-data: