Nginx proxy with Docker

custom_config.conf

# Caching
# proxy_cache site-cache;
# proxy_cache_key "$cookie_PLAY_LANG$request_uri$http_accept_language";
# proxy_cache_bypass $cookie_session;
# proxy_no_cache $cookie_session;
# proxy_cache_valid  200 303 302 301 60m;
# proxy_cache_valid  404 1m;
# proxy_ignore_headers Cache-Control;
# add_header X-Cache-Status $upstream_cache_status;

# File uploads
client_max_body_size 16m;

# Websockets
# proxy_http_version 1.1;
# proxy_set_header Upgrade $http_upgrade;
# proxy_set_header Connection $connection_upgrade;

# Proxy Headers
# proxy_redirect off;
# proxy_set_header        Host               $host;
# proxy_set_header        X-Real-IP          $remote_addr;
# proxy_set_header        X-Forwarded-Proto  https;
# proxy_set_header        X-Forwarded-Ssl    on;
# proxy_set_header        X-Forwarded-For    $proxy_add_x_forwarded_for;

docker-compose.yml

version: '2'

services:
  nginx-proxy:
    restart: always
    image: jwilder/nginx-proxy
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - "/etc/nginx/vhost.d"
      - "/usr/share/nginx/html"
      - "/var/run/docker.sock:/tmp/docker.sock:ro"
      - "/etc/nginx/certs"
      # My custom nginx configuration
      # Increase file upload limit
      # cache it more
      - "./config/custom_config.conf:/etc/nginx/conf.d/custom_config.conf:ro"

  letsencrypt-nginx-proxy-companion:
    restart: always
    image: jrcs/letsencrypt-nginx-proxy-companion
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock:ro"
    volumes_from:
      - "nginx-proxy"