## Description cfa使うと初期状態でFormData+@fastify/multipartに対応しているが、自分でセットアップする場合にFormData対応で躓くので解説が欲しい <!-- A clear and concise description of the problem or missing capability. --> ## Describe the solution you'd like <!-- If you have a solution in mind, please describe it. --> ## Describe alternatives you've considered <!-- Have you considered any alternative solutions or workarounds? --> ## Additional context <!-- Add any other context or screenshots about the feature request here. -->
