{"items": {"type": "object", "anyOf": [{"additionalProperties": false, "required": ["uri"], "properties": {"uri": {"type": "string", "examples": ["postgres://user:password@172.1.0.1:5432/mydb"]}}}, {"additionalProperties": true, "required": ["host", "port", "database"], "properties": {"username": {"default": "", "type": "string"}, "host": {"default": "172.15.0.1", "type": "string"}, "password": {"default": "", "type": "string"}, "port": {"default": "5432", "type": "integer"}, "database": {"default": "", "type": "string"}}}]}, "type": "array"}