How to set dynamic values with Kubernetes yaml file

Question

For example, a deployment yaml file:

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: guestbook
spec:
  replicas: 2
  template:
    metadata         


        

Answer 1

One line:

cat app-deployment.yaml | sed "s/{{BITBUCKET_COMMIT}}/$BITBUCKET_COMMIT/g" | kubectl apply -f -

In yaml:

  ...
  containers:
  - name: ulisses
    image: niceuser/niceimage:{{BITBUCKET_COMMIT}}
  ...