Introducing New Relic to Rails apps on Heroku
Introduction method
Add add-on
--Provision New Relic add-on from Heroku's dashboard
-- $ heroku addons: create newrelic: wayne when done from the command line
At this point, Create a New Relic account and Set various environment variables are done automatically.
Move to the screen where the setting method is described
--Click New Relic from the add-on list screen to move to the New Relic site
-- $ heroku addons: open newrelic when done from the command line
--Click Get Started
--Click Ruby
Connection with the app
Set according to the displayed screen
- Enter the app name
- Install the
newrelic_rpmgem - Download the configuration file and place it directly under the
configdirectory (the license key for NEW_RELIC is written directly, so it is better to put it in an environment variable) - Deploy to Heroku (+ access the deployed site to create traffic)
- Get data
You should be able to go back to the Heroku add-ons list screen and click on the New Relic add-ons to go to the performance monitoring dashboard-like screen.
Other
--The old document says "Set the app name in the environment variable", but it's OK (because it is written in the configuration file) --I accidentally wrote a gem in the development group and it got stuck for over an hour. .. .. --The New Relic account and email address are set to the email addresses registered on Heroku. Since the password is unknown, I selected Reset Password from the login screen and reset it.
reference
- Ruby agent and Heroku | New Relic Documentation
- New Relic APM | Heroku Dev Center -[Four ways to keep Heroku's free dyno running 24 hours a day | Casual Developers Note](https://casualdevelopers.com/tech-tips/how-to-prevent-idling-of-free-dyno-on -heroku /)
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