docs(nodejs): improve nodejs doc and use node 22 for workflows

.github/workflows/ci-nodejs.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 22
       - uses: actions/cache@v4
         with:
           path: ~/.npm

.github/workflows/release-layer-nodejs.yml

@@ -29,7 +29,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 22
 
       - name: Build
         run: |
@@ -53,7 +53,7 @@ jobs:
         with:
           name: opentelemetry-nodejs-layer.zip
           path: nodejs/packages/layer/build/opentelemetry-nodejs-layer.zip
-          
+
       - name: Add Binary to Release
         run: |
           gh release upload ${{github.ref_name}} nodejs/packages/layer/build/opentelemetry-nodejs-layer.zip

README.md

@@ -33,7 +33,7 @@ These 2 layers are meant to be used in conjunction to instrument your lambda fun
 
 * **What exporters/receivers/processors are included from the OpenTelemetry Collector?**
     > You can check out [the stripped-down collector's imports](https://github.com/open-telemetry/opentelemetry-lambda/blob/main/collector/lambdacomponents/default.go#L18) in this repository for a full list of currently included components.
-  
+
     > Self-built binaries of the collector have **experimental** support for a custom set of connectors/exporters/receivers/processors. For more information, see [(Experimental) Customized collector build](./collector/README.md#experimental-customized-collector-build)
 * **Is the Lambda layer provided or do I need to build it and distribute it myself?**
     > This repository provides pre-built Lambda layers, their ARNs are available in the [Releases](https://github.com/open-telemetry/opentelemetry-lambda/releases). You can also build the layers manually and publish them in your AWS account. This repo has files to facilitate doing that. More information is provided in [the Collector folder's README](collector/README.md).
@@ -100,10 +100,6 @@ The table below captures the state of various features and their levels of suppo
 * `N/A` not applicable to the particular language
 * blank cell means the status of the feature is not known.
 
-The following are runtimes which are no longer or not yet supported by this repository:
-
-* Node.js 12 - not [officially supported](https://github.com/open-telemetry/opentelemetry-js#supported-runtimes) by OpenTelemetry JS
-
 [1]: https://github.com/open-telemetry/semantic-conventions/blob/main/docs/faas/faas-spans.md#general-attributes
 [2]: https://github.com/open-telemetry/semantic-conventions/blob/main/docs/faas/faas-spans.md#incoming-invocations
 [3]: https://github.com/open-telemetry/semantic-conventions/blob/main/docs/faas/faas-spans.md#outgoing-invocations

nodejs/README.md

@@ -8,6 +8,19 @@ To use, add the layer to your function configuration and then set `AWS_LAMBDA_EX
 [AWS SDK v2 instrumentation](https://github.com/aspecto-io/opentelemetry-ext-js/tree/master/packages/instrumentation-aws-sdk) is also
 included and loaded automatically if you use the AWS SDK v2.
 
+## Supported Runtimes
+
+| Platform Version    | Supported                                     |
+| ------------------- | --------------------------------------------- |
+| `nodejs22.x`        | :heavy_check_mark:                            |
+| `nodejs20.x`        | :heavy_check_mark:                            |
+| `nodejs18.x`        | :heavy_check_mark:                            |
+| Older Node Versions | See [Node Support](#node-support)             |
+
+### Node Support
+
+Only Node.js Active or Maintenance LTS versions are supported.
+
 ## Building
 
 To build the layer and sample applications in this `nodejs` folder:
@@ -31,5 +44,4 @@ You'll find the generated layer zip file at `./packages/layer/build/layer.zip`.
 Sample applications are provided to show usage of the above layer.
 
 - Application using AWS SDK - shows using the wrapper with an application using AWS SDK without code change.
-  - [Using layer built from source](./integration-tests/aws-sdk)
-  - [WIP] [Using OTel Public Layer](./sample-apps/aws-sdk) 
+  - [WIP] [Using OTel Public Layer](./sample-apps/aws-sdk)