{
  "env": [
    "DATABASE_URL=...",
    "S3_ENDPOINT=...",
    "S3_REGION=...",
    "S3_BUCKET=...",
    "S3_ACCESS_KEY_ID=...",
    "S3_SECRET_ACCESS_KEY=..."
  ],
  "name": "my-app-name",
  "path": "/path/to/project",
  "release_command": "mix ecto.migrate"
}