WebSocket API

https://aws.amazon.com/jp/blogs/news/announcing-websocket-apis-in-amazon-api-gateway/
https://github.com/aws-samples/simple-websockets-chat-app

AWS コンソール

https://qiita.com/G-awa/items/472bc1a9d46178f3d7a4

Serverless Framework

https://www.serverless.com/framework/docs/providers/aws/events/websocket
https://blog.serverworks.co.jp/sls-v3-update-summary
https://zenn.dev/mryhryki/articles/2020-12-01-aws-api-gateway-websocket
https://dev.classmethod.jp/articles/api-gateway-websocket-serverless/
https://tech.mobilefactory.jp/entry/2020/12/17/000000
https://qiita.com/tokicat/items/371d4846938befef99d8

SAM

CDK

https://dev.classmethod.jp/articles/cdk-api-gateway-web-socket/

Lambda

WebSocket の接続は API Gateway で管理してバックエンドは Lambda に実装します。

AWS SDK

Node.js 18 ランタイムには v3 がプリインストールされている。
それ未満のランタイムには v2 がプリインストールされている。

https://aws.amazon.com/jp/about-aws/whats-new/2022/11/aws-lambda-support-node-js-18/
https://makky12.hatenablog.com/entry/2022/07/19/120500
https://zenn.dev/shinnoki/articles/dc59fc61738ecf

CORS

WebSocket には関係なさそう。

https://developer.mozilla.org/ja/docs/Web/HTTP/CORS#simple_requests
https://www.serverless.com/framework/docs/providers/aws/events/http-api#cors-setup
https://dev.classmethod.jp/articles/apigateway-lambda-proxy-cors/

API Gateway

https://makky12.hatenablog.com/entry/2020/09/02/120500

テスト

https://speakerdeck.com/_kensh/serverless-testing-2021
https://dev.classmethod.jp/articles/lambda-test-technology-sharing-meeting/
https://dev.classmethod.jp/articles/serverless-unit-test-with-jest/
https://ts223.hatenablog.com/entry/aws/unit-testing-for-aws-lambda
https://serverless.co.jp/blog/45/
https://www.ragate.co.jp/blog/articles/14332
https://qiita.com/hito2ru/items/68b414fa85b6beea7e50

認証

ブラウザでは WebSocket にカスタムヘッダーを追加できないのでクエリパラメーター等で送信する。
wss:// なら問題ないはず。（ws:// はダメ）

https://dev.classmethod.jp/articles/apigw-websocket-auth0/
https://websockets.readthedocs.io/en/stable/topics/authentication.html
https://nykergoto.hatenablog.jp/entry/2021/05/12/Websocket_の認証_(Authentication)_に関するメモ
https://zenn.dev/nsome/scraps/18d4974fcfa86d
https://docs.aws.amazon.com/ja_jp/appsync/latest/devguide/real-time-websocket-client.html#header-parameter-format-based-on-appsync-api-authorization-mode
https://github.com/endel/NativeWebSocket/issues/14
https://doc01.pf.iij-engineering.co.jp/pub/sdkdoc/v1/ja_JP/websocketapi/websockif_pub_receiver.html#id12
https://qiita.com/comware_terashi/items/d9e357b0330bb312a37d

CloudFront

https://docs.aws.amazon.com/ja_jp/AmazonCloudFront/latest/DeveloperGuide/distribution-working-with.websockets.html
https://qiita.com/t-kigi/items/6ea9d2656c49b8e40af4

CORS

https://zenn.dev/ishimura/articles/2536415cf8b2ae

WAF

https://dev.classmethod.jp/articles/cloudformation-webacl-cloudfront-error/
https://michimani.net/post/aws-create-web-acl-at-waf-v1-v2/
https://qiita.com/nekoze-climber/items/92916700b9375690c1ef

クライアント

https://websocketking.com/

Cloudflare

Official

https://developers.cloudflare.com/support/other-languages/日本語/websocketsでcloudflareを利用/
https://developers.cloudflare.com/workers/examples/websockets/
https://developers.cloudflare.com/workers/runtime-apis/websockets/
https://developers.cloudflare.com/durable-objects/reference/websockets/
https://github.com/cloudflare/websocket-template
https://github.com/cloudflare/workers-chat-demo

Unofficial

https://lealog.hateblo.jp/entry/2021/03/29/140743
https://jinjor-labo.hatenablog.com/entry/2022/03/22/021059
https://zenn.dev/naporin24690/articles/747ea9f038e969

Deno Deploy

https://deno.com/blog/deploy-streams
https://docs.deno.com/deploy/api/runtime-broadcast-channel/
https://qiita.com/access3151fq/items/7e2bdbd8f24858cf1f49