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You can use Fixtures in Rai...
Setup your development environment.
Configure your production server.
Learn how to modify production to run websockets.
Learn how Bootsnap speeds up your Ruby and Rails app boot times by preloading the load paths and caching Ruby bytecode
Learn how to use counter caches in your Rails app
Learn how to improve the speed of your database queries by adding database indexes to your tables
Learn how I design GoRails for speed and performance on all layers of the stack
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