docker stack 部署nginx

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2018/7/29_第1次修改 ccb_warlock

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nginx作为市场占有率较高的http和反向代理服务，各种需要用到http和网页服务的项目经常需要用nginx做反代，故通过docker部署nginx也是最近的工作之一，故整理完部署后进行记录。

一、前提条件

环境中已经部署了docker swarm（http://www.cnblogs.com/straycats/p/8978135.html）
最好也部署了portainer（http://www.cnblogs.com/straycats/p/8978201.html）
默认服务器为IP：192.168.12.1
默认swarm创建了network：my-net

二、部署nginx
2.1 创建映射的本地目录

mkdir -p /usr/docker-vol/nginx/conf/conf.d

mkdir -p /usr/docker-vol/nginx/logs

mkdir -p /usr/docker-vol/nginx/ssl

2.2 创建配置文件

# 创建nginx.conf

vi /usr/docker-vol/nginx/conf/nginx.conf

# 将nginx.cnf文件上传到/usr/docker-vol/nginx/conf目录下

user nginx;

worker_processes auto;

pid /run/nginx.pid;

events {

    worker_connections  1024;

}

http {

    include       mime.types;

    default_type  application/octet-stream;

    keepalive_timeout  65;

    sendfile on;

    tcp_nopush     on;

    gzip  on;

    # gzip_disable "msie6";

    # 指定日志为json格式，键值对的格式

    log_format access_log_json '{"user_ip":"$http_x_real_ip","lan_ip":"$remote_addr","log_time":"$time_iso8601","user_req":"$request","http_code":"$status","body_bytes_sents":"$body_bytes_sent","req_time":"$request_time","user_ua":"$http_user_agent"}';

    # 限制上传文件的大小（M）

    # types_hash_max_size 2048;

    # include的内容放在log_format之后日志格式的定义才生效

    include /etc/nginx/conf.d/*.conf;

2.3 配置反代
# 编辑反代配置文件

vi /usr/docker-vol/nginx/conf/conf.d/www.conf

# 将下面的内容添加到www.conf文件内，wq保存

server {

    listen 80;

    server_name mydomain.com www.mydomain.com;

    autoindex on;

    autoindex_localtime on;

    access_log  off;

    error_log   off;

    location ^~ /image/  {

        client_max_body_size   10m;

        proxy_pass http://192.168.12.1:5000/image/;

        proxy_set_header Host $host;

        proxy_set_header X-Real-IP $remote_addr;

        proxy_set_header REMOTE-HOST $remote_addr;

        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

    }

    location / {

        proxy_pass  https://192.168.12.1:5001;

        proxy_set_header Host $host;

        proxy_set_header X-Real-IP $remote_addr;

        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        root   html;

        index  index.html index.htm;

    }

}

2.4 增加证书及密钥文件
将证书文件和密钥文件放到/usr/docker-vol/nginx/ssl目录下。

2.5 配置nginx-stack.yml

cd

vim nginx-stack.yml

# 编辑nginx-stack.yml，wq保存

version: '3.6'

services:

  nginx:

    image: nginx:1.14.0-alpine

    environment:

      - TZ=Asia/Shanghai

    volumes:

      # nginx的配置文件

      - /usr/docker-vol/nginx/conf/nginx.conf:/etc/nginx/nginx.conf

      - /usr/docker-vol/nginx/conf/conf.d/:/etc/nginx/conf.d/

      - /usr/docker-vol/nginx/ssl/:/etc/nginx/ssl/

      - /usr/docker-vol/nginx/logs/:/var/log/nginx/

    deploy:

      replicas: 1

      restart_policy:

        condition: on-failure

      update_config:

        parallelism: 1

        delay: 10s

        monitor: 30s

        max_failure_ratio: 0.1

        order: start-first

    ports:

      - 80:80

      - 443:443

    networks:

      - my-net

networks:

  my-net:

    external: true

PS.获取请求真实IP的配置方案

docker service create --name nginx \

  --mount type=bind,source=/usr/docker-vol/nginx/conf/nginx.conf,target=/etc/nginx/nginx.conf,readonly=false \

  --mount type=bind,source=/usr/docker-vol/nginx/conf/conf.d/,target=/etc/nginx/conf.d/,readonly=false \

  --mount type=bind,source=/usr/docker-vol/nginx/ssl,target=/etc/nginx/ssl,readonly=false \

  --mount type=bind,source=/usr/docker-vol/nginx/logs/,target=/var/log/nginx/,readonly=false \

  -p "mode=host,target=80,published=80" \

  -p "mode=host,target=443,published=443" \

  --replicas 1 \

  --restart-condition any \

  --network gm-net \

  --update-parallelism 1 \

  --update-delay 3s \

  --update-monitor 10s \

  --update-max-failure-ratio 0.1 \

  --update-order stop-first \

  --limit-cpu 0.5 \

  --limit-memory 300M \

  nginx:1.14.0-alpine

参考资料：

1. https://www.cnblogs.com/wwzyy/p/8337965.html

2. http://www.runoob.com/docker/docker-install-nginx.html

3. http://www.ttlsa.com/nginx/use-nginx-proxy/

4. https://blog.csdn.net/bolg_hero/article/details/42105987

巴特西

docker stack 部署nginx

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