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https://github.com/openwrt/docker

Docker containers of the ImageBuilder and SDK
https://github.com/openwrt/docker

docker openwrt openwrt-imagebuilder openwrt-sdk

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Docker containers of the ImageBuilder and SDK

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README 

        
# OpenWrt Docker repository



[![GPL-2.0-only License][license-badge]][license-ref]

[![CI][ci-badge]][ci-ref]

[![Docker Hub][docker-hub-badge]][docker-hub-ref]



This repository contains files to create OpenWrt containers. While mostly used

for our CI you may use the scripts to build containers on your own.



Available containers:



* `sdk` compile OpenWrt packages

* `imagebuilder` create firmware images

* `rootfs` test software inside an OpenWrt runtime



All containers are mirrored to the follwing three registries under `openwrt` account:



* docker.io ([sdk](https://hub.docker.com/r/openwrt/sdk) | [imagebuilder](https://hub.docker.com/r/openwrt/imagebuilder) | [rootfs](https://hub.docker.com/r/openwrt/rootfs))  `*` 

* ghcr.io ([sdk](https://github.com/openwrt/docker-openwrt/pkgs/container/sdk) | [imagebuilder](https://github.com/openwrt/docker-openwrt/pkgs/container/imagebuilder) | [rootfs](https://github.com/openwrt/docker-openwrt/pkgs/container/rootfs))

* quay.io ([sdk](https://quay.io/repository/openwrt/sdk) | [imagebuilder](https://quay.io/repository/openwrt/imagebuilder) | [rootfs](https://quay.io/repository/openwrt/rootfs))



> `*` We have switched our account from `openwrtorg` to `openwrt` on docker.io



Find more details on the container types below



## `sdk`



Contains the [OpenWrt

SDK](https://openwrt.org/docs/guide-developer/toolchain/using_the_sdk) based on

the same container we use for our [Buildbot](https://buildbot.org)

infrastructure. This can be useful when building packages on macOS, Windows or

via CI.



### SDK Example



```shell

docker run --rm -v "$(pwd)"/bin/:/builder/bin -it openwrt/sdk

# inside the Docker container

./scripts/feeds update packages

make defconfig

./scripts/feeds install tmate

make package/tmate/{clean,compile} -j$(nproc)

```



Enjoy a local OpenWrt SDK container building the `tmate` package and but the

binary in hosts `./bin` folder.



### SDK Tags



All currently available SDKs via tags in the following format:



* `-[-]`

* `[-]`



The `branch|tag|version` can be something like `openwrt-22.03` (branch),

`v22.03.4` (tag) or `21.02.3` (version). To use daily builds use either `main`

or `SNAPSHOT`.



## `imagebuilder`



Contains the [OpenWrt

ImageBuilder](https://openwrt.org/docs/guide-user/additional-software/imagebuilder)

based on the same container we use for our [buildbot](buildbot.org)

infrastructure. This can be useful when creating images on macOS, Windows or

via CI.



### ImageBuilder Example



```shell

docker run --rm -v "$(pwd)"/bin/:/builder/bin -it openwrt/imagebuilder

# inside the Docker container

make image PROFILE=generic PACKAGES=tmate

```



Enjoy a local OpenWrt ImageBuilder container building an image for x86/64 and

store the binary in hosts `./bin` folder.



### ImageBuilder Tags



All currently available ImageBuilders via tags in the following format:



* `-[-]`

* `[-]`



The `branch|tag|version` can be something like `openwrt-22.03` (branch),

`v22.03.4` (tag) or `21.02.3` (version). To use daily builds use either `main`

or `SNAPSHOT`.



## `rootfs` (experimental)



> The OpenWrt runtime uses multiple active services to work, it's not really

> suited as a container. This `rootfs` should only be used for special cases

> like CI testing.



An unpackaged version of OpenWrt's rootfs for different architectures. The

`./rootfs` folder requires slight modifications to work within Docker,

additional files for the rootfs should be added there before building.



### Rootfs Example



```shell

docker run --rm -it openwrt/rootfs

# inside the Docker container

mkdir /var/lock/

opkg update

opkg install tmate

tmate

```



Enjoy a local OpenWrt container running the x86/64 architecture with internet

access. Once closed the container is removed.



### Rootfs Tags



"|||armvirt/32|armvirt/64|malta/be|mvebu/cortexa9



* `x86/64` or `x86_64`

* `x86/generic` or `i386_pentium4`

* `x86/geode` or `i386_pentium-mmx`

* `armvirt/32` or `arm_cortex-a15_neon-vfpv4`

* `armvirt/64` or `aarch64_cortex-a53`

* `malta/be` or `mips_24kc`

* `mvebu/cortexa9` or `arm_cortex-a9_vfpv3-d16`



## Build Your Own



If you wan to create your own container you can use the `Dockerfile`. You can set the following build arguments:



* `TARGET` - the target to build for (e.g. `x86/64`)

* `DOWNLOAD_FILE` - the file to download (e.g. `imagebuilder-.*x86_64.tar.xz`)

* `FILE_HOST` - the host to download the ImageBuilder/SDK/rootfs from (e.g. `downloads.openwrt.org`)

* `VERSION_PATH` - the path to the ImageBuilder/SDK/rootfs (e.g. `snapshots` or `releases/21.02.3`)



### Example ImageBuilder



> If you plan to use your own server please add your own GPG key to the

> `./keys/` folder.



```shell

docker build \

    --build-arg TARGET=x86/64 \

    --build-arg DOWNLOAD_FILE="imagebuilder-.*x86_64.tar.xz" \

    --build-arg FILE_HOST=downloads.openwrt.org \

    --build-arg VERSION_PATH=snapshots \

    -t openwrt/x86_64 .

```



[ci-badge]: https://github.com/openwrt/docker/actions/workflows/containers.yml/badge.svg

[ci-ref]: https://github.com/openwrt/docker/actions/workflows/containers.yml

[docker-hub-badge]: https://img.shields.io/badge/docker--hub-openwrt-blue.svg?style=flat-square

[docker-hub-ref]: https://hub.docker.com/u/openwrt

[license-badge]: https://img.shields.io/github/license/openwrt/docker.svg?style=flat-square

[license-ref]: LICENSE