aws-ecs-service-connect-ipv6
mizchi/skills/aws-ecs-service-connect-ipv6/SKILL.md
Use when ECS Service Connect の DNS alias が IPv6 アドレスを返し、 IPv4-only の Fargate task から `network is unreachable` / `EAI_AGAIN` 等で接続できない問題に遭遇したとき。 OTel Collector → Tempo の OTLP gRPC、 Fargate → Service Connect の HTTP/gRPC 通信が突然失敗する症状が典型。 ECS / Fargate / Service Connect / OTLP / IPv6 dual-stack 関連の接続障害から起動して良い (user が原因を IPv6 と特定していなくても OK)。
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CLAUDE.md
Skill
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