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Add new Kaniko Dockerfile for PDNS builder #68

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f496dc7
Add new Kaniko Dockerfile for PDNS builder.
aerique Aug 30, 2023
f55a2cf
Add Kaniko deprecation warning to README.
aerique Sep 5, 2023
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20 changes: 0 additions & 20 deletions Dockerfile-kaniko
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34 changes: 34 additions & 0 deletions README.md
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Expand Up @@ -243,3 +243,37 @@ For example, if the base image you use upgrades the compiler, the compiled outpu
will likely change.


## Custom Kaniko Image for PDNS Builder

https://hub.docker.com/repository/docker/powerdns/kaniko-pdns-builder/

A custom Kaniko image for PDNS Builder, because the official Kaniko debug image only offers Busybox and the PDNS Builder also needs Bash, Git, Perl, rsync and perhaps more.

### Deprecation Warning

Eventually we want to get rid of Kaniko in our build systems, so do not depend too hard on this image.

### Building

- `docker build -f Dockerfile-kaniko-pdns-builder -t powerdns/kaniko-pdns-builder:1.0.0 .`

### Distributing

- `docker tag powerdns/kaniko-pdns-builder:1.0.0 powerdns/kaniko-pdns-builder:latest`
- `docker push powerdns/kaniko-pdns-builder:1.0.0`
- `docker push powerdns/kaniko-pdns-builder:latest`

### Running

- `docker run -it --entrypoint warmer powerdns/kaniko-pdns-builder:1.0.0 bash`
- `docker run -it powerdns/kaniko-pdns-builder:1.0.0`

### Resources

From:

- https://github.com/GoogleContainerTools/kaniko/blob/main/deploy/Dockerfile
- https://hub.docker.com/r/pernodricard/kaniko-alpine/dockerfile
- https://stackoverflow.com/a/69251129

- `curl --silent https://gcr.io/v2/kaniko-project/executor/tags/list | jq .`
20 changes: 20 additions & 0 deletions docker/Dockerfile-kaniko-pdns-builder
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FROM gcr.io/kaniko-project/executor:v1.12.0-debug AS kaniko

# XXX 3.11 is EOL since 2021, update to 3.18
FROM alpine:3.11

RUN apk --no-cache add bash binutils coreutils git grep openssh-client perl rsync sed tree

COPY --from=kaniko /kaniko /kaniko
COPY --from=kaniko /etc/nsswitch.conf /etc/nsswitch.conf
COPY --from=busybox:musl /bin /busybox

ENV HOME /root
ENV USER root
ENV PATH $PATH:/kaniko:/busybox
ENV SSL_CERT_DIR /kaniko/ssl/certs
ENV DOCKER_CONFIG /kaniko/.docker/
ENV DOCKER_CREDENTIAL_GCR_CONFIG /kaniko/.config/gcloud/docker_credential_gcr_config.json
ENV GOOGLE_APPLICATION_CREDENTIALS='/kaniko/.docker/config.json'

ENTRYPOINT ["/kaniko/executor"]
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