get_provisioning_profile_with_app_store_connect_api_key.rb

lane :release do
  api_key = app_store_connect_api_key(
    key_id: "D383SF739",
    issuer_id: "6053b7fe-68a8-4acb-89be-165aa6465141",
    key_filepath: "./D383SF739.p8",
    duration: 1200, # optional
    in_house: false, # optional but may be required if using match/sigh
  )

  sigh(api_key: api_key)
end

```fastlane/me.json
{
  "key_id": "D383SF739",
  "issuer_id": "6053b7fe-68a8-4acb-89be-165aa6465141",
  "key_content": "-----BEGIN PRIVATE KEY-----\nMIGTAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBHknlhdlYdLu\n-----END PRIVATE KEY-----",
  “duration”: 1200, # optional
  “in_house”: false, # optional but may be required if using match/sigh, defaults to false
}
```
lane :release do
  sigh( api_key_path: "fastlane/me.json" )
end