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aws_lambda_runtime

0.1.1
0.1.1 0.1.0

A dependency-free AWS Lambda custom runtime for Elixir, built on :inets/:httpc and the OTP-bundled JSON module, meant to run on a Lambda layer providing OTP.

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aws_lambda_runtime CHANGELOG.md
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CHANGELOG.md 

# Changelog



All notable changes to this project will be documented in this file.



The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),

and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).



## [0.1.1] - 2026-08-20



### Added



- Docker build scripts (`docker/erlang`, `docker/elixir`) and READMEs for

  building the `lambda-layer-erlang` and `lambda-layer-elixir` images that

  `mix aws_lambda.build` pulls from.

- `mix aws_lambda.build` — `--dep`/`-d` flag to install extra `dnf` packages

  (e.g. `git`) in the build container alongside `tar`.



### Changed



- `mix aws_lambda.build` — colorized, more consistent step output; internal

  cleanup.



### Removed



- `AWS.Lambda.Runtime.MixRelease` (`priv/mix/release.exs`) — the release

  steps it configured are documented directly in the README instead.



[0.1.1]: https://github.com/GRoguelon/aws_lambda_runtime/releases/tag/v0.1.1



## [0.1.0] - 2026-08-19



### Added



- `AWS.Lambda.Runtime` — the custom runtime loop: long-polls the Lambda

  Runtime API, dispatches each invocation to your handler within a

  supervised, deadline-bounded task, and reports the result or failure back

  to Lambda without crashing the sandbox.

- `AWS.Lambda.Runtime.API` — a dependency-free `:inets`/`:httpc` client for

  the Lambda Runtime API (`2018-06-01`).

- `AWS.Lambda.Runtime.Context` — per-invocation context assembled from the

  `Lambda-Runtime-*` response headers and the function's environment.

- `AWS.Lambda.Runtime.Handler` — the behaviour your function implements, plus

  resolution of the `_HANDLER` environment variable / compile-time config.

- `AWS.Lambda.Runtime.Application` — the OTP application supervising the

  runtime loop, with a `config :aws_lambda_runtime, start_runtime: false`

  escape hatch for environments (like this library's own test suite) that

  shouldn't start it.

- `AWS.Lambda.Runtime.MixRelease` and `AWS.Lambda.Runtime.Release` — `mix

  release` configuration and steps that package a function for Lambda's

  `provided.al2023` runtime, including the `bootstrap` entrypoint and

  Lambda-tuned `vm.args`/`env.sh`.

- `mix aws_lambda.build` — packages a function's Lambda release inside the

  Elixir builder Docker image and downloads the resulting deployment zip.



[0.1.0]: https://github.com/GRoguelon/aws_lambda_runtime/releases/tag/v0.1.0