nginx conf for loki simple scalable deployment

loki-nginx.conf

server {
  listen             8080;

  location = / {
    return 200 'OK';
    auth_basic off;
  }

  location = /api/prom/push {
    proxy_pass       http://<WRITE_IP>:3100$request_uri;
  }

  location = /api/prom/tail {
    proxy_pass       http://<READ_IP>:3100$request_uri;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
  }

  location ~ /api/prom/.* {
    proxy_pass       http://<READ_IP>:3100$request_uri;
  }

  location = /loki/api/v1/push {
    proxy_pass       http://<WRITE_IP>:3100$request_uri;
  }

  location = /loki/api/v1/tail {
    proxy_pass       http://<READ_IP>:3100$request_uri;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
  }

  location ~ /loki/api/.* {
    proxy_pass       http://<READ_IP>:3100$request_uri;
  }
}