Add redis gem

Gemfile

@@ -2,6 +2,7 @@ source 'https://rubygems.org'
 ruby '2.7.7'
 gem 'rails', '5.2.2'
 # TODO Upgrade sprockets
+gem 'redis', '~> 4.0'
 gem 'sprockets', '~> 3.7'
 gem 'sass-rails' #, '~> 4.0.3'
 gem 'uglifier' #, '>= 1.3.0'

Gemfile.lock

@@ -326,6 +326,7 @@ GEM
       execjs
       railties (>= 3.2)
       tilt
+    redis (4.8.1)
     regexp_parser (2.1.1)
     responders (3.0.1)
       actionpack (>= 5.0)
@@ -491,6 +492,7 @@ DEPENDENCIES
   rbnacl (~> 3.4)
   rbnacl-libsodium
   react-rails
+  redis (~> 4.0)
   rspec-rails
   rubocop
   sass-rails

config/cable.yml

@@ -0,0 +1,4 @@
+production:
+  adapter: redis
+  url: <%= ENV.fetch("REDIS_URL", "redis://localhost:6379/0") %>
+  channel_prefix: app_production

config/environments/production.rb

@@ -100,5 +100,6 @@ Rails.application.configure do
   # config.action_controller.relative_url_root = '/13'
   config.action_cable.allowed_request_origins =['my.tendy.zone'] # all origins in array will be allowed through
   config.action_cable.disable_request_forgery_protection = true
+  config.cache_store = :redis_cache_store, { url: ENV.fetch("REDIS_URL", "redis://localhost:6379/0") }
 
 end

frontend/components/VideoCall.jsx

@@ -21,7 +21,7 @@ class VideoCall extends React.Component{
   join(data){ this.createPC(data.from, true) }
   joinCall(e){
     console.log("Hello from joinCall");
-    console.log(e);
+    // console.log(e);
     App.cable.subscriptions.create(
       { channel: "CallChannel" },
       {