Secrets can now be mounted on a custom path

[goncalo-oliveira]

By providing an annotation, it's now possible to customize the path where secrets are mapped to in the function's container. The default behaviour does not change.

apiVersion: justfaas.com/v1alpha1
kind: Function
metadata:
  name: hello
  namespace: default
  annotations:
    justfaas.com/secrets-mount-path: /app/secrets
spec:
  image: gcr.io/google-samples/hello-app:1.0
  secrets:
    - my-secret

The above will mount the function's secrets at /app/secrets as annotated.