同一台机器映射端口不一样，部署两个服务

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version: '3'

services:
  nginx:
    image: nginx:latest
    container_name: my_nginx
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf
      - ./conf.d:/etc/nginx/conf.d
      - ./html:/usr/share/nginx/html
    ports:
      - "80:80"
    environment:
      - NGINX_HOST=localhost
      - NGINX_PORT=80

volumes:
  conf.d:
  html:

nginx的docker-compose的配置如下，如果在同一台机器上部署两个nginx应该怎么写呢？

如果你想在同一台机器上再部署一个 Nginx 实例，可以通过创建另一个服务并为其分配不同的端口和容器名称。以下是更新后的 docker-compose.yml 文件：

version: '3'

services:
  nginx1:
    image: nginx:latest
    container_name: my_nginx1
    volumes:
      - ./nginx1/nginx.conf:/etc/nginx/nginx.conf
      - ./nginx1/conf.d:/etc/nginx/conf.d
      - ./nginx1/html:/usr/share/nginx/html
    ports:
      - "80:80"
    environment:
      - NGINX_HOST=localhost
      - NGINX_PORT=80

  nginx2:
    image: nginx:latest
    container_name: my_nginx2
    volumes:
      - ./nginx2/nginx.conf:/etc/nginx/nginx.conf
      - ./nginx2/conf.d:/etc/nginx/conf.d
      - ./nginx2/html:/usr/share/nginx/html
    ports:
      - "81:80"
    environment:
      - NGINX_HOST=localhost
      - NGINX_PORT=81

volumes:
  nginx1_conf.d:
  nginx1_html:
  nginx2_conf.d:
  nginx2_html:

`nginx1/nginx.conf`

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;

events {
    worker_connections  1024;
}

http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #gzip  on;

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

    server_names_hash_bucket_size 128;
}

`nginx1/conf.d/default.conf`

server {
    listen 80 default_server;
    listen [::]:80 default_server;

    server_name _;
    root /usr/share/nginx/html;

    location / {
        try_files $uri $uri/ =404;
    }
}

`nginx1/html/index.html`

<!DOCTYPE html>
<html>
<head>
    <title>Welcome to nginx1!</title>
</head>
<body>
    <h1>Success! The nginx1 server is working!</h1>
</body>
</html>

`nginx2/nginx.conf`

内容与 nginx1/nginx.conf 相同：

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;

events {
    worker_connections  1024;
}

http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #gzip  on;

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

    server_names_hash_bucket_size 128;
}

`nginx2/conf.d/default.conf`

内容与 nginx1/conf.d/default.conf 相同：

server {
    listen 80 default_server;
    listen [::]:80 default_server;

    server_name _;
    root /usr/share/nginx/html;

    location / {
        try_files $uri $uri/ =404;
    }
}

`nginx2/html/index.html`

<!DOCTYPE html>
<html>
<head>
    <title>Welcome to nginx2!</title>
</head>
<body>
    <h1>Success! The nginx2 server is working!</h1>
</body>
</html>