REST API に疲れたあなたへ贈る GraphQL 入門This document summarizes Amazon Web Services Japan speaker Tsukagoshi Keisuke's presentation on AWS AppSync. It introduces AppSync as a fully managed GraphQL service that allows building GraphQL APIs integrated with various data sources like Amazon DynamoDB, AWS Lambda, and Elasticsearch. AppSync provides a GraphQL schema definition language to define types and queries, uses Apache Velocity Templa
