Erlang layers for AWS Lambda
Public Lambda layers that provide Erlang/OTP at /opt/erlang for functions built with mayfly: [layer: true]. Your build toolchain must use the same OTP version; mix lambda.doctor checks it.
64 layer versions · 16 regions · updated 2026-09-28 · rebuilt weekly by the Layers workflow · checksums on the layers release
Find your layer
Layer ARN (pinned)
Alias (newest patch of this major)
Resolver API
Static JSON, cacheable, no auth. mix lambda.doctor uses it to pick the layer matching your local OTP.
/layers/27/arm64/eu-central-1.jsonnewest 27.x patch → otp, arn, alias_arn, sha256/layers/27.3.4.18/arm64/eu-central-1.jsonone pinned version/layers/index.jsoneverythingAll layers
Erlang/OTP 28.5.0.7
pinned mayfly-erlang-28-5-0-7-<arch>
· alias mayfly-erlang-28-<arch>
· 32 ARNs · mise use erlang@28.5.0.7
Erlang/OTP 28.5.0.7
pinned mayfly-erlang-28-5-0-7-<arch>
· alias mayfly-erlang-28-<arch>
· 32 ARNs · mise use erlang@28.5.0.7
| Region | arm64 | x86_64 |
|---|---|---|
| ap-northeast-1Tokyo |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| ap-northeast-2Seoul |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| ap-south-1Mumbai |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| ap-southeast-1Singapore |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| ap-southeast-2Sydney |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| ca-central-1Canada |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| eu-central-1Frankfurt |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| eu-north-1Stockholm |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| eu-west-1Ireland |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| eu-west-2London |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| eu-west-3Paris |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| sa-east-1São Paulo |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| us-east-1N. Virginia |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| us-east-2Ohio |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| us-west-1N. California |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
| us-west-2Oregon |
…:layer:mayfly-erlang-28-5-0-7-arm64:2
|
…:layer:mayfly-erlang-28-5-0-7-x86_64:2
|
Erlang/OTP 27.3.4.18
pinned mayfly-erlang-27-3-4-18-<arch>
· alias mayfly-erlang-27-<arch>
· 32 ARNs · mise use erlang@27.3.4.18
Erlang/OTP 27.3.4.18
pinned mayfly-erlang-27-3-4-18-<arch>
· alias mayfly-erlang-27-<arch>
· 32 ARNs · mise use erlang@27.3.4.18
| Region | arm64 | x86_64 |
|---|---|---|
| ap-northeast-1Tokyo |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| ap-northeast-2Seoul |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| ap-south-1Mumbai |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| ap-southeast-1Singapore |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| ap-southeast-2Sydney |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| ca-central-1Canada |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| eu-central-1Frankfurt |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| eu-north-1Stockholm |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| eu-west-1Ireland |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| eu-west-2London |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| eu-west-3Paris |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| sa-east-1São Paulo |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| us-east-1N. Virginia |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| us-east-2Ohio |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| us-west-1N. California |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|
| us-west-2Oregon |
…:layer:mayfly-erlang-27-3-4-18-arm64:2
|
…:layer:mayfly-erlang-27-3-4-18-x86_64:2
|