ytt key/value mapping

config.yaml

#@ load("@ytt:data", "data")
#@ load("@ytt:struct", "struct")

env:
#@ for k in struct.decode(data.values.my_map):
  - name: #@ k
    value: #@ data.values.my_map[k]
#@ end

data.yaml

#@data/values-schema
---
my_map:
  key1: value1
  key2: value2