feat(redis): add session store config

lib/potassium/assets/config/initializers/session_store.rb

@@ -0,0 +1,20 @@
+# https://github.com/redis-store/redis-store/issues/358#issuecomment-1537920008
+class RedisClient::Config
+  alias original_initialize initialize
+
+  def initialize(**kwargs)
+    # remove not supported kwargs
+    original_initialize(
+      **kwargs.except(:raw, :serializer, :marshalling, :namespace, :scheme)
+    )
+  end
+end
+
+Rails.application.config.session_store :redis_store, {
+  servers: [{
+    url: ENV['REDIS_URL']
+  }],
+  expire_after: 3.days,
+  key: '_app_session',
+  secure: Rails.env.production?
+}

lib/potassium/recipes/redis.rb

@@ -3,6 +3,7 @@ def create
     add_redis
     add_docker_compose_redis_config
     set_redis_dot_env
+    add_session_store_config
   end
 
   def install
@@ -48,4 +49,9 @@ def set_redis_dot_env
       TEXT
     )
   end
+
+  def add_session_store_config
+    copy_file("../assets/config/initializers/session_store.rb",
+              "config/initializers/session_store.rb", force: true)
+  end
 end

spec/features/redis_spec.rb

@@ -34,5 +34,10 @@
 
       expect(compose_content[:services]).to include(:redis)
     end
+
+    it 'copies session store config' do
+      content = IO.read("#{project_path}/config/initializers/session_store.rb")
+      expect(content).to include("RedisClient::Config")
+    end
   end
 end