update readme

README.md

@@ -3,6 +3,7 @@
 [![Latest Release](https://img.shields.io/github/v/release/benbusby/farside?label=Release)](https://github.com/benbusby/farside/releases)
 [![MIT License](https://img.shields.io/github/license/benbusby/earthbound-themes.svg)](http://opensource.org/licenses/MIT)
 [![Elixir CI](https://github.com/benbusby/privacy-revolver/actions/workflows/elixir.yml/badge.svg)](https://github.com/benbusby/privacy-revolver/actions/workflows/elixir.yml)
+
 [![Deploy](https://www.herokucdn.com/deploy/button.svg)](https://heroku.com/deploy)
 
 A redirecting service for FOSS alternative frontends.
@@ -14,6 +15,10 @@ available public instances for a particular service, while also helping to
 distribute traffic more evenly across all instances and avoid performance
 bottlenecks and rate-limiting.
 
+## Heroku deploy
+To load  custom services, you must paste a base64 encoded string into the FARSIDE_SERVICES_JSON field
+you can encode your json at https://www.base64encode.org
+
 ## Demo
 
 Farside's links work with the following structure: `farside.link/<service>/<path>`

app.json

@@ -7,7 +7,7 @@
   "env": {
     "MIX_ENV": "prod",
     "FARSIDE_SERVICES_JSON": {
-      "description": "The json of services available",
+      "description": "The base64(json) of services available (https://www.base64encode.org)",
       "value": "",
       "required": false
     }

lib/farside/application.ex

@@ -62,7 +62,7 @@ defmodule Farside.Application do
           data
 
         false ->
-          services_json_data
+          Base.decode64!(services_json_data)
       end
 
     {:ok, json} = Jason.decode(reply)