If you use Rails 5 along docker for your development environment you may have seen something like this within your logs : Cannot render console from 172.17.0.x! Allowed networks: 127.0.0.1, ::1, 127.0.0.0/127.255.255.255 To allow your current docker…

Earlier versions of Rmagick will not compile with newer version of imagemagick with --enable-hdri compilaton flag. The first recommandation would be to upgrade your library to the newest version (=< 2.13.3), but for some reasons it is not possible…