79 lines
3 KiB
Markdown
79 lines
3 KiB
Markdown
# Basic Arch Linux ARM Docker images [](https://travis-ci.org/agners/archlinuxarm-docker)
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Docker images for Arch Linux ARM on AArch32 (ARMv7-A) and AArch64 (ARMv8-A). Built using native pacman and Docker multi-stage builds. Builds weekly by Travis CI on publicly visible infrastructure using Qemu emulation.
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## Running the images
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The images are on [Docker Hub](https://hub.docker.com/u/agners/). Use the convenient `docker run`:
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docker run --rm -ti agners/archlinuxarm
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Instead of using the multi-arch container above, you can also get the architecture specific image directly:
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docker run --rm -ti agners/archlinuxarm-arm32v7
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## Tags
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| Tag | Update | Type | Description |
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|:------:|:----------:|:-------:|:-----------------------------------------------------------------------------------|
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| latest | **weekly** | minimal | minimal Arch Linux ARM with pacman support |
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### Layer structure
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The image is generated from a freshly built pacman rootfs. Pacman has configured
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to delete man pages and clean the package cache after installation to keep
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images small.
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## Issues and improvements
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If you want to contribute, get to the [issues-section of this repository](https://github.com/agners/archlinuxarm-docker/issues).
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## Common hurdles
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### Setting the timezone
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Simply add the `TZ` environment-variable and define it with a valid timezone-value.
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```
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docker run -e TZ=Europe/Berlin agners/archlinuxarm
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```
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## Building it yourself
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### Prerequisites
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- Docker with experimental mode on (required for squash)
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- sudo or root is neccessary to setup binfmt for Qemu user mode emulation
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### Building
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- Prepare binfmt use with Qemu user mode using `sudo ./prepare-qemu`
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- Run `BUILD_ARCH=<arch> ./build` to build
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- Use `BUILD_ARCH=arm32v7` for ARMv7 Aarch32
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- Use `BUILD_ARCH=arm64v8` for ARMv8 Aarch64
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If you want to push the images, run `./push`. *But be aware you have no push access to the repos! Edit the scripts to push to custom Docker Hub locations!*
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### Building from scratch
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Since the image depends on itself, the question which arise is how this all
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started. The initial containers have been created using the tarballs provided by
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the Arch Linux ARM project. I used the following steps to bootstrap for each
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architecture:
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```
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sudo tar xvzf ArchLinuxARM-armv7-latest.tar.gz -C tmp-arch
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sudo tar cf ArchLinuxARM-armv7-latest.tar -C tmp-arch/ .
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docker import ArchLinuxARM-armv7-latest.tar agners/armv7-archlinux:latest
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```
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## Credits
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Ideas have been taken from already existing Docker files for Arch Linux.
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However, this repository takes a slightly different approach to create images.
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- https://github.com/archlinux/archlinux-docker
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- Focus on Arch Linux for x86
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- Uses docker run in priviledged mode to build images
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- https://github.com/lopsided98/archlinux
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- Uses prebuilt tarballs which contain packages not required in containers
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