---
kind: ConfigMap
apiVersion: v1
metadata:
  name: code
data:
  build.sh: |
    #!/bin/sh
    set -x
    export BUILDKITD_FLAGS="--root=/storage"
    buildctl-daemonless.sh \
      build \
      --frontend dockerfile.v0 \
      --local context=/code \
      --local dockerfile=/code
  Dockerfile: |
    FROM alpine
    RUN apk add gcc
---
# Based on https://github.com/moby/buildkit/blob/master/examples/kubernetes/job.userns.yaml
apiVersion: v1
kind: Pod
metadata:
  name: buildkitd
# see buildkit/docs/rootless.md for caveats of rootless mode
spec:
  terminationGracePeriodSeconds: 1
  restartPolicy: Never
  hostUsers: false
  containers:
    - name: buildkitd
      image: registry.cern.ch/docker.io/moby/buildkit:v0.23.1
      command: ["/bin/sh", "/code/build.sh"]
      securityContext:
        privileged: true
      volumeMounts:
        - name: storage
          mountPath: /storage
        - name: code
          mountPath: /code
  volumes:
    - name: storage
      emptyDir:
        sizeLimit: 10Gi
    - name: code
      configMap:
        name: code