ARM machines can be cheaper alternatives to X86_64 instances either running on bare metal (e.g. on Raspberry Pi) or in cloud. They are becoming more and more popular and they're making
Compiling things for ARM
ARM has been around for a while, but after 2020 it got a huge boost by the introduction of the Apple M1 processors, many things are compiled for arm64 alongside amd64 nowadays, but some are not.
In this post, we will use Qemu multiarch inside Docker to compile source codes for ARM processors. If you want to know how to run an ARM64 Debian inside Docker skip to Qemu