Image Overview: sdk

Development image for melange and apko.

Get It! #

The image is available on cgr.dev:

docker pull cgr.dev/chainguard/sdk:latest

Usage #

With melange #

Clone down your development fork/branch:

git clone https://github.com/chainguard-dev/melange.git
cd melange

Run the image, mounting the repo workspace (--privileged flag required):

docker run --privileged --rm -it -v "${PWD}:${PWD}" -w "${PWD}" cgr.dev/chainguard/sdk

Upon entering the image, you should see the following welcome message:

Welcome to the development environment!


[sdk] ❯

Inside the environment, test out local changes to the melange codebase by running the following:

make melange install

Then run melange commands as normal:

melange keygen

melange build \
  --arch x86_64,arm64 \
  --empty-workspace \
  --repository-append packages \
  --signing-key melange.rsa \
  examples/gnu-hello.yaml

With apko #

Clone down your development fork/branch:

git clone https://github.com/chainguard-dev/apko.git
cd apko

Run the image, mounting the repo workspace:

docker run --rm -it -v "${PWD}:${PWD}" -w "${PWD}" cgr.dev/chainguard/sdk

Upon entering the image, you should see the following welcome message:

Welcome to the development environment!


[sdk] ❯

Inside the environment, test out local changes to the apko codebase by running the following:

make apko install

Then run apko commands as normal:

apko build --debug \
  examples/alpine-base.yaml \
  alpine-base:latest output.tar