{"id":18781237,"url":"https://github.com/sebastian4j/ws-aws-lambda","last_synced_at":"2026-05-01T00:31:48.293Z","repository":{"id":121457122,"uuid":"171983241","full_name":"sebastian4j/ws-aws-lambda","owner":"sebastian4j","description":"uso de websockets en aws con 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unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["aws","aws-lambda","java","websocket"],"created_at":"2024-11-07T20:30:08.767Z","updated_at":"2026-05-01T00:31:48.258Z","avatar_url":"https://github.com/sebastian4j.png","language":"Java","funding_links":[],"categories":[],"sub_categories":[],"readme":"\n# AWS Lambda \u0026 WebSockets\nEste repositorio contiene un ejemplo simple de comunicación utilizando web sockets desde aws lambdas y api gateway (se asume conocimiento previo en lambdas y api gateway de aws).\n\n- Lo primero es descargar este proyecto y compilarlo para generar un jar.\n\n- Luego hay que crear el lambda en aws y asociarlo con el jar generado.\n\n- Despues crear en api gateway el api para nuestra conexion web socket:\n\u003e https://aws.amazon.com/es/blogs/compute/announcing-websocket-apis-in-amazon-api-gateway/\n\n\u003ehttps://docs.aws.amazon.com/es_es/apigateway/latest/developerguide/apigateway-websocket-api.html\n\u003e\n\u003e Recomiendo para este ejemplo utilizar en todos los **Routes** el mismo lambda\n\n\u003eEl rol asociado al lambda tiene que tener la politica con permiso a **ExecuteAPI** y el resource puede ser ``` arn:aws:execute-api:*:*:*/*/*/* ```\n\n- Luego, al tener disponible el api, copiar desde la etapa creada el valor de **Connection URL** y escribirlo en las **Variables de entorno** del lambda asociado a la clave **url_api**:\n\u003e La Connection URL es algo como https://XXXXXXXX.execute-api.us-east-0.amazonaws.com/test/@connections\n\n- Ahora que ya esta finalizado la prueba se puede realizar conectando a la **WebSocket URL** con:\n\u003e wscat -c wss://XXXXXXXX.execute-api.us-east-0.amazonaws.com/test\n\n\u003e El mensaje **connected (press CTRL+C to quit)** indica que estamos conectados y nos dice como salir\n\n\u003e El lambda responderá lo mismo que le escribamos\n\n## Eso es todo :blush:\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsebastian4j%2Fws-aws-lambda","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsebastian4j%2Fws-aws-lambda","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsebastian4j%2Fws-aws-lambda/lists"}