Logs are an integral part of building happy, robust and scalable software, One of the common ways your application communicates back to you is in the form of logs and alerts. With application logs, you can unveil new insights about what is happening in your application in any environment. Logging is language and framework agnostic. You can get started with logging in a matter of minutes with cloud-based SAAS. At THE ICONIC, one of the most popular fashion e-commerce in Australia, we heavily use logging and instrumentation to get insights about our application's operation. In this session, I will uncover logging best practices, some situations where logging helped us find bugs early, solve difficult problems in time and keep the successful business up and running smoothly.