play-proxy

docker-compose.yml

version: '3'

services:
  reverseproxy:
    build: .
    ports:
      - 80:80
    restart: always
  
  nginx:
    depends_on:
      - reverseproxy
    image: nginx:alpine
  
  whoami:
    depends_on:
      - reverseproxy
    image: containous/whoami

Dockerfile

FROM nginx:alpine

COPY nginx.conf /etc/nginx/nginx.conf

nginx.conf

user  nginx;
worker_processes  1;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main_timed  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log /dev/stdout main_timed;
    error_log /dev/stderr info;

    sendfile        on;
    #tcp_nopush     on;
    upstream docker-nginx {
        server nginx:80;
    }

    upstream docker-whoami {
        server whoami:80;
    }

    keepalive_timeout  65;

    #gzip  on;
    proxy_set_header   Host $host;
    proxy_set_header   X-Real-IP $remote_addr;
    proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header   X-Forwarded-Host $server_name;
    
    server {
        listen 80;
        server_name nginx.localhost;
 
        location / {
            proxy_pass         http://docker-nginx;
            proxy_redirect     off;
        }
    }

    server {
        listen 80;
        server_name whoami.localhost;
 
        location / {
            proxy_pass         http://docker-whoami;
            proxy_redirect     off;
        }
    }
}