Jenkins kaniko examples for building images in kubernetes

Available are both declarative and scripted options, and using k8s secrets or Jenkins Credentials for storing config.json docker credentials.

How to store crendentials for kaniko to use to push image

How to create a kubernetes secret with docker credentials

Replace the empty string here with your user/pass/email

kubectl create secret docker-registry docker-credentials \
    --docker-username=""  \
    --docker-password="" \
    --docker-email=""

Create config.json for use elsewhere

You can use the same kubectl command and just use it locally to generate the file via --dry-run

kubectl create secret docker-registry docker-credentials \
    --docker-username=""  \
    --docker-password="" \
    --docker-email="" --dry-run=client -o jsonpath='{.data.\.dockerconfigjson}' | base64 -D > config.json

How to add config.json as secret file credential

1. Navigate to credentials
2. Navigate to your domain
3. Add Credentials
   • Kind: Secret File
   • Scope: select proper scope
   • File: select the file on your local filesystem
   • ID: for the example Jenkinsfile in this repo, use "docker-credentials"
   • Description: enter something meaningful