Replace "ATLAS\_USERNAME" with your username, then run
`packer push -create example.json` to send the configuration to Atlas, which
here](https://atlas.hashicorp.com/account/new?utm_source=oss&utm_medium=getting-started&utm_campaign=packer). Once you have an account, you will need to contact
sales@hashicorp.com to start a trial, if you haven't already done so.
Replace "ATLAS\_USERNAME" with your username in the above config. Generate an
Atlas token by navigating to https://atlas.hashicorp.com/settings/tokens and set
that token as an environment variable: `ATLAS_TOKEN=YOURTOKENHERE`.
Then run `packer push example.json` to send the configuration to Atlas, which
automatically starts the build.
This build will fail since neither `aws_access_key` or `aws_secret_key` are set