grafana-loki-minio/docker-compose.yaml

networks:
  loki:
    name: loki-net # replace the default domain <service>.loki-net

services:
  #------- init container to change permissions of the mounted directory.
  init:
    image: busybox
    user: root
    entrypoint: >
      /bin/sh -c "
      chown 472:root /var/lib/grafana;
      chown 101:root /etc/nginx/conf.d/default.conf;
      chown 10001:10001 /loki -R;
      chown nobody:nobody /prometheus -R;
      exit 0;
      "
    volumes:
      - '${GF_VOLUME_DIR}:/var/lib/grafana'
      - '${PRX_NGINX_CONF_DIR}/default.conf:/etc/nginx/conf.d/default.conf'
      - '${PROM_DATA_DIR}:/prometheus'
      - ${LOKI_DATA_DIR}:/loki
    networks:
      - loki

  #------- container with tools dns (nslookup, tcptraceroute, etc). Use just for debug
#  dns-tools:
#    image: jonlabelle/network-tools
#    command: tail -f /dev/null
#    stdin_open: true
#    tty: true
#    networks:
#      - loki

  #-------proxy (nginx)
  proxy:
    image: nginxinc/nginx-unprivileged
    volumes:
      - ${PRX_NGINX_CONF_DIR}/default.conf:/etc/nginx/conf.d/default.conf
      - ${PRX_CERTS_DIR}:/etc/nginx/certs
    ports:
      - "443:8443"
      #- "80:8080"
    networks:
      - loki
    restart: always
  
  #------- minio server service 
  minio:
    #image: minio/minio
    image: minio/minio:RELEASE.2025-03-12T18-04-18Z
    restart: always
    volumes:
      - ${MINIO_DATA_ROOT_DIR}:/data
    ports:
      - "9000:9000"
      - "9001:9001"
    environment:
      MINIO_ROOT_USER: ${MINIO_ACCESS_KEY}
      MINIO_ROOT_PASSWORD: ${MINIO_SECRET_KEY}
      MINIO_BROWSER_REDIRECT_URL: ${MINIO_REDIRECT_URL}
    command: server /data --console-address ":9001" 
    networks:
      - loki

  #------- minio client
  minio-cli:
    image: minio/mc
    # insure that the server container is running before building the client
    depends_on:
      - minio
    entrypoint: >
      /bin/sh -c "tail -f /dev/null"
      #/usr/bin/mc admin info play;
      #/usr/bin/mc alias set myminio http://minio:9000 ${MINIO_ACCESS_KEY} ${MINIO_SECRET_KEY};
      #/usr/bin/mc admin prometheus generate myminio
      ##/usr/bin/mc mb myminio/test-bucket;
      ##/usr/bin/mc mb myminio/loki-1;
      ##echo 'my content' > myfile.txt;
      ##/usr/bin/mc cp myfile.txt myminio/test-bucket;
      #exit 0;
      #"
    volumes:
      - ${MINIO_CONF_CLI_DIR}/.mc:/root/.mc  
    restart: unless-stopped
    networks:
      - loki  

  #------- grafana    
  grafana:
    image: grafana/grafana-enterprise
    ports:
      - "3000:3000"
    volumes:
      - '${GF_VOLUME_DIR}:/var/lib/grafana'
    environment:
      - GF_SECURITY_ADMIN_USER=${GF_ADMIN_USER}
      - GF_SECURITY_ADMIN_PASSWORD=${GF_ADMIN_PASS}
      - GF_SERVER_ROOT_URL=${GF_ROOT_URL}
      #- GF_SERVER_SERVE_FROM_SUB_PATH=true
    restart: unless-stopped
    networks:
      - loki
  
  #------- prometheus
  prometheus:
    image: prom/prometheus
    volumes:
      - ${PROM_CONF_DIR}/prometheus.yml:/etc/prometheus/prometheus.yml
      - ${PROM_DATA_DIR}:/prometheus 
    ports:
      - 9090:9090
    restart: unless-stopped
    networks:
      - loki

  #------- node-exporter 
  node-exporter:
    image: prom/node-exporter
    networks:
      - loki
    ports:
      - 9100:9100
    restart: unless-stopped

  #------- loki
  loki:
    image: grafana/loki:latest
    ports:
      - 3100:3100
    volumes:
      - ${LOKI_CONF_DIR}/local-config.yaml:/etc/loki/local-config.yaml
      - ${LOKI_DATA_DIR}:/loki
    restart: unless-stopped
    networks:
      - loki

  #------- promtail
  promtail:
    image: grafana/promtail:latest
    volumes:
      - ${PROMTAIL_CONF_DIR}/config.yml:/etc/promtail/config.yml
      - ${LOKI_GEN_LOG}:/tmp/
      - /var/log/:/var/log/
    restart: unless-stopped
    networks:
      - loki

  #------- flog generated log
  log-generator:
    image: gmouchet/flog
    command:
      - --loop
      - --format=json
      - --number=10 # number of log lines to generate per second
      - --delay=100ms # delay between log lines
      #- --output=/var/log/generated-logs.txt
      - --output=/tmp/loki-gen-log/generated-logs.txt
      - --overwrite
      - --type=log
    volumes:
      - ${LOKI_GEN_LOG}:/tmp/
#volumes:
#  grafana-storage:
#  prometheus:
#  loki-data: