DockerCompose部署系列：搭建Graylog日志环境_docker-compse graylog-优快云博客

该博客介绍了如何使用Docker拉取并部署Graylog、Elasticsearch和MongoDB的镜像，创建网络，配置相关环境变量和资源限制，并通过docker-compose启动这三个服务。Graylog配置中连接了Elasticsearch和MongoDB，提供了监控和日志分析的入口，对外暴露了9009端口供访问，初始账号密码为admin:admin。

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# 拉取镜像
docker pull elasticsearch:7.12.0
docker pull graylog/graylog:4.3.6
docker pull mongo:4.2

# 创建网络
docker network create mynetwork

# 配置三个文件，es,mogo,graylog
vi dockercompose-es.yml
version: '3'
services:
  elasticsearch:
    image: elasticsearch:7.12.0
    container_name: elasticsearch # graylog内默认连接名为elasticsearch，所以不建议改
    environment:
      - "TAKE_FILE_OWNERSHIP=true"
      - "discovery.type=single-node"
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    volumes:
      - /etc/localtime:/etc/localtime
      - /home/mycontainers/es/data:/usr/share/elasticsearch/data
      - /home/mycontainers/es/logs:/usr/share/elasticsearch/logs
    ulimits: # 调整 ulimits 以及 nprocedit
      memlock:
        soft: -1
        hard: -1
    deploy:
      resources:
        limits:
          memory: 1g # 限制使用内存
    ports:
      - 9200:9200
      - 9300:9300
    network_mode: mynetwork
	
vi dockercompose-mogo.yml
version: '3'
services:
  mongo:
    image: mongo:4.2
    container_name: mongo # graylog内默认连接名为mongo，所以这个不建议改
    restart: always
    volumes:
      - /etc/localtime:/etc/localtime
      - /home/mycontainers/mongo/data:/data/db
    ports:
      - 27017:27017
    network_mode: mynetwork

vi dockercompose-graylog.yml
version: '3'
services:
  graylog:
    image: graylog/graylog:4.3.6
    container_name: graylog
    environment:
      # echo -n "Enter Password: " && head -1 < /dev/stdin | tr -d '\n' | sha256sum | cut -d " " -f1
      - GRAYLOG_PASSWORD_SECRET=somepasswordpepper
      - GRAYLOG_ROOT_PASSWORD_SHA2=8c6976e5b5410415bde908bd4dee15dfb167a9c873fc4bb8a81f6f2ab448a918
      - GRAYLOG_HTTP_EXTERNAL_URI=http://127.0.0.1:9009/
      - GARYLOG_ELASTICSEARCH_HOSTS=http://elasticsearch:9200 # 链接es，这里是容器间通讯，所以写容器名
      - GRAYLOG_MONGODB_URI=mongodb://mongo:27017/graylog # 同上
    # volumes:
      # - /home/mycontainers/graylog/config/graylog.conf:/usr/share/graylog/data/config/graylog.conf # 指定配置文件，用于修改时区
    network_mode: mynetwork
    restart: always
    ports:
      - 9009:9000
      # Syslog TCP
      - 1514:1514
      # Syslog UDP
      - 1514:1514/udp
      # GELF TCP
      - 12201:12201
      # GELF UDP
      - 12201:12201/udp
	  
# 启动
docker-compose -f dockercompose-es.yml up
docker-compose -f dockercompose-mogo.yml up
docker-compose -f dockercompose-graylog.yml up


# 测试访问
http://192.168.5.10:9009/
账号密码：admin : admin