Add support for running on an exposed port (#16)

* Only tweak if using ingress

* Only change paths if using ingress

DOCS.md

@@ -35,6 +35,8 @@ The configuration is self-explanatory, but essentially we need details about acc
 
 Remember to restart the add-on when the configuration is changed.
 
+To use this add-on with a reverse proxy, like [Nginx Proxy Manager][rev-proxy], you will need to enable "Show disabled ports" in the Network section of the add-on configuration and set a port.
+
 ## Changelog & Releases
 
 This repository keeps a change log using [GitHub's releases][releases] functionality.
@@ -56,3 +58,4 @@ To destroy this data, you'll need to either uninstall the PostgreSQL add-on or c
 [postgres]: https://github.com/matt-FFFFFF/hassio-addon-postgres
 [releases]: https://github.com/lildude/ha-addon-ghostfolio/releases
 [semver]: https://semver.org/spec/v2.0.0.html
+[rev-proxy]: https://github.com/hassio-addons/addon-nginx-proxy-manager

rootfs/etc/services.d/ghostfolio/run

@@ -51,9 +51,15 @@ ingress_entry=$(curl -X GET \
                      -s http://supervisor/addons/self/info | \
                      jq -r '.data.ingress_entry')
 
-if [[ $(grep hassio_ingress /ghostfolio/apps/client/en/main.*.js) -eq 0 ]]; then
-  sed -Ei "s^(\`|\")/api^\1${ingress_entry}/api^g" /ghostfolio/apps/client/*/*.js
-  sed -Ei "s^\(/assets^\(${ingress_entry}/assets^g" /ghostfolio/apps/client/*/*.js
+if bashio::var.is_empty "$(bashio::addon.port 3333)"; then
+  if [[ $(grep hassio_ingress /ghostfolio/apps/client/en/main.*.js) -eq 0 ]]; then
+    sed -Ei.direct "s^(\`|\")/api^\1${ingress_entry}/api^g" /ghostfolio/apps/client/*/*.js
+    sed -Ei.direct "s^\(/assets^\(${ingress_entry}/assets^g" /ghostfolio/apps/client/*/*.js
+  fi
+else
+  if [[ $(find "/ghostfolio/apps/client/en/*.js.direct" 2> /dev/null | wc -l) -gt 0 ]]; then
+    find /ghostfolio/apps/ -name '*.direct' -exec sh -c 'echo "$0" "${0%.direct}"' {} \;
+  fi
 fi
 
 bashio::log.info "Starting Ghostfolio"