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🏗️ Building the package

This package uses Make to build binary executables for aarch64 and x86_64 using cargo cross.

Targets: x86_64-unknown-linux-musl for x86_64 Lambdas and aarch64-unknown-linux-musl for Gravaton-based Lambdas (64-bit ARM) with musl libc. Building statically with musl keeps the binary compatible with both Amazon Linux 2 runtimes (Python 3.9–3.11) and Amazon Linux 2023 runtimes (Python 3.12+) so you avoid GLIBC_2.x errors at cold start.

Dependencies

  • Make tools
  • Rust standard: https://www.rust-lang.org/tools/install (tested with 1.72)
  • Cargo cross (~0.2.5)
    • cross-compiling to different targets; Docker or podman based
    • Install with cargo install cross
    • Example usage: cross build --release --target x86_64-unknown-linux-musl
  • zip tool
  • aws CLI tool
  • jq JSON manipulation tool

Building and Deploying the Extension Layer

With the dependencies installed, run make in the base directory to compile the binaries. The executables and are copied into build/. The extension entrypoint script (opt/entrypoint) is copied to build/extensions/dash0