use yarn package to pack and (optionally: see below) sign the packate without uploading it
package and upload
in .env add
GH_TOKEN=1234MYGITHUBTOKEN5678
package siging is supported through Ethereum Signed Packages
in .env add:
ETH_KEYSTORE=0x8c2df4ac4cfa414e298ad5ee9d634e7f1a02dd1b
ETH_KEYSTORE_PW=mypassword
The password variable is optional and not recommended. If left out, the packaging script will ask for the password at runtime.
ETH_KEYSTORE can be a hex prefixed address, filename, or full path to the keystore file.