{
  "image": "postgres:16-alpine",
  "port": 5432,
  "envVars": [
    { "key": "POSTGRES_PASSWORD", "value": "", "description": "Superuser password", "required": true },
    { "key": "POSTGRES_USER", "value": "postgres", "description": "Superuser name" },
    { "key": "POSTGRES_DB", "value": "postgres", "description": "Default database name" }
  ]
}