RailsConf 2019 - rails db:migrate:safely by Matt Duszynski

RailsConf 2019 - rails db:migrate:safely by Matt Duszynski _______________________________________________________________________________________________ Cloud 66 - Pain Free Rails Deployments Cloud 66 for Rails acts like your in-house DevOps team to build, deploy and maintain your Rails applications on any cloud or server. Get $100 Cloud 66 Free Credits with the code: RailsConf-19 ($100 Cloud 66 Free Credits, for the new user only, valid till 31st December 2019) Link to the website: https://cloud66.com/rails?utm_source=-&utm_medium=-&utm_campaign=RailsConf19 Link to sign up: https://app.cloud66.com/users/sign_in?utm_source=-&utm_medium=-&utm_campaign=RailsConf19 _______________________________________________________________________________________________ When you're dealing with fifty million records, simple migrations can become very dangerous. Come and learn from my mistakes instead of making your own. We'll talk about what's going on behind the scenes in your database, and how to safely write and run some common migrations. Remember, uptime begins at $HOME.