Docker部署tenine实现后端应用的高可用与负载均衡(推荐)

docker pull axizdkr/tengine:3.1.0

docker pull osixia/keepalived:2.0.20

mkdir -p /apps/tengine/cfg  /apps/tengine/logs   /appstengine/vue

#user  nobody;
worker_processes  8;
#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;
#pid        logs/nginx.pid;
events {
    worker_connections  1024;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';
    #access_log  logs/access.log  main;
    sendfile        on;
    # 当设置为 on 时，Nginx 会在发送响应时，尽量将数据合并成一个大的 TCP 数据包进行发送。这可以减少 TCP 包的数量，从而提高网络传输效率，尤其是在发送大文件时
    #tcp_nopush     on;
    #keepalive_timeout  0;
    keepalive_timeout  65;
    proxy_buffer_size 128k;
    proxy_buffers 4 256k;
    proxy_busy_buffers_size 256k;
    gzip  on;
    gzip_min_length 2k;
    gzip_buffers   4 32k;
    gzip_http_version 1.1;
    gzip_comp_level 6;
    gzip_types text/plain text/css text/javascriptapplication/json application/javascript application/x-javascriptapplication/xml;
    gzip_vary on;
    gzip_proxied any;
    # 将Nginx代理的所有请求实体的大小限制为20m
    client_max_body_size 100m;
   upstream cluster1 {
       server 192.168.30.191:9166;
       server 192.168.30.192:9166;
       check interval=3000 rise=2 fall=5 timeout=1000 type=http;
       check_http_send "HEAD / HTTP/1.0\r\n\r\n";
       check_http_expect_alive http_2xx http_3xx;
    }
    server {
        listen       80;
        server_name  localhost;
        #charset koi8-r;
        #access_log  logs/host.access.log  main;
        error_page  404              /404.html;
        # 统一走代理访问vue前端页面  xxxx/dist  
        location ~ /([A-Za-z0-9_-]+)/dist
        {
          root /vue/;
          index  index.html index.htm;
        }
        #代理SpringBoot访问
        location /api/
        {
            proxy_redirect off;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme';
            proxy_set_header X-Nginx-Proxy true;
            proxy_pass http://cluster1/;
        }
        location /nginx_basic_status {
            stub_status on;
        }
        location /nginx_check_status {
            check_status;
        }
        # 主要用于keepalived 检查
        location /health_check {
           access_log off;
           return 200 "OK";
        }
    }
}

  sudo docker run --network=host \
 --privileged \
 --restart=always \
 --name tengine \
 -v /apps/tengine/cfg/nginx.conf:/etc/nginx/nginx.conf:ro \
 -v /apps/tengine/logs:/var/log/nginx \
 -v /apps/tengine/vue:/vue/ \
 -d axizdkr/tengine:3.1.0

mkdir -p /apps/keepalived

vrrp_script chk_nginx {
    script "curl -s http://172.17.0.1/health_check"
    interval 2
    weight -3
}
vrrp_instance VI_2 {
    state MASTER
    interface enp10s0
    virtual_router_id 54
    priority 101
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        192.168.30.190
    }
    track_script {
        chk_nginx
    }
}

vrrp_script chk_nginx {
    script "curl -s http://172.17.0.1/health_check"
    interval 2
    weight -3
}
vrrp_instance VI_2 {
    state BACKUP
    interface enp9s0
    virtual_router_id 54
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        192.168.30.190
    }
    track_script {
        chk_nginx
    }
}

docker run -d --name keepalived \
	--cap-add=NET_ADMIN \
	--cap-add=NET_BROADCAST \
	--cap-add=NET_RAW \
	--net=host \
	-e KEEPALIVED_INTERFACE=eth0 \
	-v /apps/keepalived/keepalived.conf:/container/service/keepalived/assets/keepalived.conf \
	osixia/keepalived:2.0.20 --loglevel debug --copy-service