Ed Morley edmorley

## README.md

      
        
          
            
              
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              December 17, 2021 09:45
            
              
                Using MySQL 5.7 libraries on Heroku
              
          
        
      
        
  
      
    Edit 2021-02-21: I've confirmed this solution works with both heroku-18 and heroku-20 stacks.

What follows is my solution for having mysql2 gem compiled and working against MySQL v5.7 (rather than v8+) on the heroku-20 stack. This is how I've managed to make it work:

Add the apt buildstack ahead of your standard buildpack (in my case, that's Ruby):

$ heroku buildpacks:add --index 1 heroku-community/apt