Dockerfile: update base to ubuntu:jammy

[mweinelt]

Among other things git branch --show-current from scripts/update-modules.sh didn't work with the git version (2.20.x) in buster, because it requires 2.22.0.

localhost/gluon docker-base 6d337bc0846e 4 seconds ago 451 MB

[mweinelt]

ERROR: package/firmware/wireless-regdb failed to build. make -r world: build failed. Please re-run make with -j1 V=s or V=sc for a higher verbosity level to see what's going on

Uh-oh. Investigating.

[mweinelt]

libfakeroot: read: Connection reset by peer
libfakeroot: connect: Connection refused
/gluon/openwrt/staging_dir/host/bin/fakeroot: line 1: kill: (355020) - No such process
make[4]: *** [modules/i2c.mk:101: /gluon/openwrt/bin/targets/x86/64/packages/kmod-i2c-gpio_5.4.182-1_x86_64.ipk] Error 1
make[4]: Leaving directory '/gluon/openwrt/package/kernel/linux'
time: package/kernel/linux/compile#7.79#5.04#17.37
    ERROR: package/kernel/linux failed to build.
make[3]: *** [package/Makefile:116: package/kernel/linux/compile] Error 1

[skorpy2009]

Why not bullseye? It has 2.30

[mweinelt]

Because with bullseye the image grows to over 900 MB due to silly dependencys in qemu-utils pulling in the whole qemu stack.

[neocturne]

Because with bullseye the image grows to over 900 MB due to silly dependencies in qemu-utils pulling in the whole qemu stack.

IIRC, that was the reason against Ubuntu impish. The reason for using Ubuntu rather than Debian is to keep the Docker image similar to the Github Actions environment.

[mweinelt]

You might be right, I might be mixing stuff up. Let me check.

localhost/gluon docker-base 69fcac9fbf0e 10 seconds ago 545 MB

up from ~450 MB from ubuntu:jammy and 415MB from debian:buster-slim..