- app engine 2nd
- go 1.16
- gqlgen（ https://github.com/99designs/gqlgen ）
- dataloader（ https://github.com/graph-gophers/dataloader ）
- firebase cloud functions
- firebase cloud storage
- firebase auth
- cloud task
- cloud scheduler
- ffmpeg（ https://github.com/u2takey/ffmpeg-go ）
- wire（ https://github.com/google/wire ）
- datastore
- boom（ https://github.com/mercari/datastore ）
- grpc-web（ https://github.com/improbable-eng/grpc-web ）
- https://github.com/akihokurino/canvas-ios
- https://github.com/akihokurino/canvas-nft-generator
- https://github.com/akihokurino/canvas-web
- https://github.com/akihokurino/lambda-opensea
