custom build dependent images

Dockerfile.child

FROM parent

RUN ["echo", "the file says:"]
RUN ["cat", "/thedate"]

Dockerfile.parent

FROM alpine

ADD thedate /

ENTRYPOINT ["sleep", "1000000"]

k8s.yaml

apiVersion: v1
kind: Pod
metadata:
  name: mypod
  labels:
    name: mypod
spec:
  containers:
  - name: mypod
    image: child
    ports:
    - containerPort: 80

Tiltfile

k8s_yaml('k8s.yaml')

custom_build(
  'parent',
  'docker build -f Dockerfile.parent -t $EXPECTED_REF .',
  ['.'],
)

custom_build(
  'child',
  'docker build -f Dockerfile.child -t $EXPECTED_REF .',
  ['.'],
)