Add REVERSEPROXY_DEFAULT_HOST

README.md

@@ -117,6 +117,7 @@ You can read [the article](https://medium.com/@BtcpayServer/hosting-btcpay-serve
 `btcpay-setup.sh` will use the following environment variables:
 
 * `BTCPAY_HOST`: The hostname of your website (eg. `btcpay.example.com`)
+* `REVERSEPROXY_DEFAULT_HOST`: Optional, if using a reverse proxy nginx, specify which website should be presented if the server is accessed by its IP.
 * `NBITCOIN_NETWORK`: The type of network to use (eg. `mainnet`, `testnet`, or `regtest`. Default: `mainnet`)
 * `LIGHTNING_ALIAS`: An alias for your lightning network node, if used
 * `BTCPAYGEN_CRYPTO1`: First supported crypto currency (eg. `btc`, `ltc`. Default: `btc`)

btcpay-setup.sh

@@ -50,6 +50,7 @@ This will be used to properly setup HTTPS via let's encrypt.
 
 Environment variables:
     BTCPAY_HOST: The hostname of your website (eg. btcpay.example.com)
+    REVERSEPROXY_DEFAULT_HOST: Optional, if using a reverse proxy nginx, specify which website should be presented if the server is accessed by its IP.
     LETSENCRYPT_EMAIL: A mail will be sent to this address if certificate expires and fail to renew automatically (eg. me@example.com)
     NBITCOIN_NETWORK: The type of network to use (eg. mainnet, testnet or regtest. Default: mainnet)
     LIGHTNING_ALIAS: An alias for your lightning network node if used

docker-compose-generator/docker-fragments/nginx.yml

@@ -17,6 +17,8 @@ services:
     restart: unless-stopped
     image: btcpayserver/docker-gen:0.7.5
     container_name: nginx-gen
+    environment:
+      DEFAULT_HOST: ${REVERSEPROXY_DEFAULT_HOST:-none}
     volumes:
       - "/var/run/docker.sock:/tmp/docker.sock:ro"
       - "./nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl:ro"