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Manfred Touron
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Docker 🐳

16 pages about "Docker 🐳"

docker-diff

docker-diff is a mini tool to quickly compare the contents of two Docker images.

$ ./docker-diff alpine:3.2 alpine:3.3
7,8c7
< ---s--x--x 9944       bin/bbsuid
< -rwxr-xr-x 800936     bin/busybox
---
> -rwxr-xr-x 809128     bin/busybox
63d61
< lrwxrwxrwx 0          bin/rc-status
82d79
< -rwxr-xr-x 9872       bin/uniso
92,94d88
< drwxr-xr-x 0          etc/acpi/
< drwxr-xr-x 0          etc/acpi/PWRF/
< -rwxr-xr-x 19         etc/acpi/PWRF/00000080
105,106c99,100
< -rw-r--r-- 45         etc/apk/repositories
< -rw-r--r-- 12         etc/apk/world
---
> -rw-r--r-- 95         etc/apk/repositories
> -rw-r--r-- 51         etc/apk/world
108,129d101
< -rw-r--r-- 328        etc/conf.d/bootmisc
< -rw-r--r-- 876        etc/conf.d/consolefont
< -rw-r--r-- 55         etc/conf.d/cron
< -rw-r--r-- 348        etc/conf.d/devfs
< -rw-r--r-- 117        etc/conf.d/dmesg
< -rw-r--r-- 1402       etc/conf.d/fsck
< -rw-r--r-- 59         etc/conf.d/hostname
< -rw-r--r-- 857        etc/conf.d/hwclock
< -rw-r--r-- 911        etc/conf.d/keymaps
[...]

Docker + multiarch = πŸ’–

Docker + multiarch = <3

Recently, I started the multiarch organization on GitHub.

Multiarch aims to provide

1. Docker images builds of Linux distributions for multiple architecture

full list onΒ multiarch on Docker hub.

2. tools around multiarch

  • multiarch/docker-goxc: a ready-to-use goxc in Docker, build GO projects for multiple architectures from an x86_64 host
  • multiarch/true: minimalist Docker images for multiarch, ideal for testing runtime
  • multiarch/qemu-user-static: qemu-user-static Docker images for all architectures + a register special image that helps to configure the Kernel binfmt support
  • multiarch/crossbuild: multiarch cross compiling environments, cross-build C/C++ programs using Docker from an x86_64 host

3. Proof-of-concept around experimental multiarch support in Dockefile

Pathwar: unix levels

First version of the unix levels on Pathwar.

Until today, Pathwar was only about web-based level; But now, it’s also possible to have non-web levels thanks to ssh2docker.

Source code: https://github.com/pathwar/level-unix1