add random match-making logic

main-server/config/initializers/redis.rb

@@ -0,0 +1,7 @@
+# Redis configuration
+# Development/test: localhost:6379 (default)
+# Production: set REDIS_URL env variable, e.g. redis://redis.example.com:6379/0
+
+RedisConnection = ConnectionPool.new(size: 5, timeout: 5) do
+  Redis.new(url: ENV.fetch("REDIS_URL", "redis://localhost:6380/0"))
+end

main-server/config/routes.rb

@@ -4,6 +4,9 @@ Rails.application.routes.draw do
     post   "login",    to: "sessions#create"
     delete "logout",   to: "sessions#destroy"
     get    "me",       to: "sessions#me"
+
+    post   "matchmaking", to: "matchmaking#create"
+    delete "matchmaking", to: "matchmaking#destroy"
   end
 
   # Reveal health status on /up that returns 200 if the app boots with no exceptions, otherwise 500.