n8n on AWS EC2 Fails Due to Missing Docker Compose Plugin on Amazon Linux 2023

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Developers self-hosting n8n on AWS EC2 using Amazon Linux 2023 encounter a common setup failure where Docker Compose commands break immediately after installation. The issue stems from Amazon Linux 2023's DNF package manager installing only the Docker engine, not the Compose v2 plugin, which must be downloaded and configured separately. Most existing n8n self-hosting tutorials overlook this gap because they were written and tested on Ubuntu, where the Compose plugin is bundled differently. The fix requires manually downloading the official Compose binary from Docker's GitHub releases and placing it in the correct CLI plugins directory. Users must also select the correct binary architecture — x86_64 for Intel instances or aarch64 for Graviton/ARM — to avoid silent exec-format errors.

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