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0.35.0 Migration Guide

Changes

  • The provided dokku/dokku:latest Docker image now runs Ubuntu 24.04 Noble. Users that install custom packages within their docker-based installations should be sure to check package compatibility with Ubuntu 24.04.
  • The default image used for Cloud Native Buildpack builds is now heroku/builder:24, and is based on both the heroku-24 stack as well as Ubuntu 24.04. Users that wish to stick with the old, heroku-22/Ubuntu 22.04 builder may specify heroku/buildpacks:22 as their builder image. Please see the cloud native buildpack deployment documentation for more information on how to specify a custom buildpack stack builder.
  • The default image used for Herokuish Buildpack builds is now gliderlabs/herokuish:latest-24, and is based on both the heroku-24 stack as well as Ubuntu 24.04. Users that wish to stick with the old, heroku-22/Ubuntu 22.04 builder may specify gliderlabs/herokuish:latest-22 as their builder image. Please see the herokuish buildpack deployment documentation for more information on how to specify a custom buildpack stack builder.
  • The vector image used by Dokku for enhanced logging support has been upgraded from 0.39.x to 0.41.x. To take advantage of the new image, execute the following commands: 
    dokku logs:vector-stop
dokku logs:vector-start
  • The openresty image used by Dokku for proxying via openresty has been upgraded from 0.8.0 to 0.9.0. To take advantage of the new image, execute the following commands: 
    dokku openresty:stop
dokku openresty:start