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4 changes: 2 additions & 2 deletions docs/observability.mdx
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Expand Up @@ -8,11 +8,11 @@ import DocLink from "../src/components/DocLink.js";

# Logging & Observability

One of the greatest things of AWS Lambda is that you get all the benfits of CloudWatch logging built into the platform. Logging is just a simple Ruby `puts` command away. Here are a few amazing things to help you succeed with good logging and observability patterns in AWS with CloudWatch.
One of the greatest things about AWS Lambda is that you get all the benefits of CloudWatch logging built into the platform. Logging is just a simple Ruby `puts` command away. Here are a few amazing things to help you succeed with good logging and observability patterns in AWS with CloudWatch.

## STDOUT is a Must!

Lambda is a read-only file system. The Lamby gem will set the `RAILS_LOG_TO_STDOUT` environment variable on your behalf. It also freedom patches the core Ruby `Logger` class to force STDOUT. That said, be on the lookout for any rogue disk-based logging you may have to address. Older Rails applications may have to use a pattern like this.
Lambda is a read-only file system. The Lamby gem will set the `RAILS_LOG_TO_STDOUT` environment variable on your behalf. It also patches the core Ruby `Logger` class to force STDOUT. That said, be on the lookout for any rogue disk-based logging you may have to address. Older Rails applications may have to use a pattern like this.

```ruby title="config/environments/production.rb"
logger = ActiveSupport::Logger.new(STDOUT)
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