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-rw-r--r--railties/lib/rails/generators/rails/app/templates/config/redis/cable.yml1
1 files changed, 1 insertions, 0 deletions
diff --git a/railties/lib/rails/generators/rails/app/templates/config/redis/cable.yml b/railties/lib/rails/generators/rails/app/templates/config/redis/cable.yml
index 0156763c95..0176be24f9 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/redis/cable.yml
+++ b/railties/lib/rails/generators/rails/app/templates/config/redis/cable.yml
@@ -1,3 +1,4 @@
+# Action Cable uses Redis to administer connections, channels, and sending/receiving messages over the WebSocket.
production:
url: redis://localhost:6379/1