Foundry hosting settings

mysite.com.conf
===============

# First Server
server {

    # Enter your fully qualified domain name
    server_name             m.mysite.com;

    # Listen on port 80 without SSL certificates
    listen                  80;

    # Sets the Max Upload size to 300 MB
    client_max_body_size 300M;

    # Proxy Requests to Foundry VTT
    location / {

        # Set proxy headers
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        # These are important to support WebSockets
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";

        # Make sure to set your Foundry VTT port number
        proxy_pass http://localhost:30001;
    }
}

# Second Server
server {

    # Enter your fully qualified domain name
    server_name             r.mysite.com;

    # Listen on port 80 without SSL certificates
    listen                  80;

    # Sets the Max Upload size to 300 MB
    client_max_body_size 300M;

    # Proxy Requests to Foundry VTT
    location / {

        # Set proxy headers
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        # These are important to support WebSockets
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";

        # Make sure to set your Foundry VTT port number
        proxy_pass http://localhost:30000;
    }
}

options.json for the one that does work
=======================================

{
  "port": 30001,
  "upnp": true,
  "fullscreen": false,
  "hostname": "m.mysite.com",
  "routePrefix": null,
  "sslCert": null,
  "sslKey": null,
  "awsConfig": null,
  "dataPath": "/home/foundry/foundrydatam",
  "proxySSL": false,
  "proxyPort": 80,
  "minifyStaticFiles": true,
  "updateChannel": "release",
  "language": "en.core",
  "world": null
}

options.json for the one that fails
===================================
{
  "port": 30000,
  "upnp": true,
  "fullscreen": false,
  "hostname": "r.mysite.com",
  "routePrefix": null,
  "sslCert": null,
  "sslKey": null,
  "awsConfig": null,
  "dataPath": "/home/foundry/foundrydatar",
  "proxySSL": false,
  "proxyPort": 80,
  "minifyStaticFiles": true,
  "updateChannel": "release",
  "language": "en.core",
  "world": null
}