chore: drop Node.js 18 support

Author: dreamorosi

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -69,7 +69,6 @@ body:
       options:
         - 22.x
         - 20.x
-        - 18.x
     validations:
       required: true
   - type: dropdown

.github/workflows/quality_check.yml

@@ -19,7 +19,7 @@ jobs:
       NODE_ENV: dev
     strategy:
       matrix:
-        version: [18, 20, 22]
+        version: [20, 22]
         workspace: [
           "packages/batch",
           "packages/commons",

.github/workflows/reusable-run-linting-check-and-unit-tests.yml

@@ -39,7 +39,7 @@ jobs:
       NODE_ENV: dev
     strategy:
       matrix:
-        version: [18, 20, 22]
+        version: [20, 22]
         workspace: [
           "packages/batch",
           "packages/commons",

.github/workflows/run-e2e-tests.yml

@@ -33,7 +33,7 @@ jobs:
             packages/tracer,
             layers,
           ]
-        version: [18, 20, 22]
+        version: [20, 22]
         arch: [x86_64, arm64]
       fail-fast: false
     steps:

README.md

@@ -1,7 +1,7 @@
 <!-- markdownlint-disable MD013  -->
 # Powertools for AWS Lambda (TypeScript)
 
-![NodeSupport](https://img.shields.io/static/v1?label=node&message=%2018|%2020|%2022&style=flat&logo=nodedotjs)
+![NodeSupport](https://img.shields.io/static/v1?label=node&message=%2020|%2022&style=flat&logo=nodedotjs)
 ![GitHub Release](https://img.shields.io/github/v/release/aws-powertools/powertools-lambda-typescript?style=flat)
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=aws-powertools_powertools-lambda-typescript&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=aws-powertools_powertools-lambda-typescript)
 [![Security Rating](https://sonarcloud.io/api/project_badges/measure?project=aws-powertools_powertools-lambda-typescript&metric=security_rating)](https://sonarcloud.io/summary/new_code?id=aws-powertools_powertools-lambda-typescript)

docs/getting-started/lambda-layers.md

@@ -109,7 +109,6 @@ Change `{aws::region}` to your AWS region, e.g. `eu-west-1`, and run the followi
         "CreatedDate": "2025-04-08T07:38:30.424+0000",
         "Version": 24,
         "CompatibleRuntimes": [
-            "nodejs18.x",
             "nodejs20.x",
             "nodejs22.x"
         ],

layers/package.json

@@ -12,7 +12,6 @@
     "test:unit": "vitest --run tests/unit",
     "test:unit:coverage": "echo 'Not Implemented'",
     "test:unit:types": "echo 'Not Implemented'",
-    "test:e2e:nodejs18x": "echo 'Not Implemented'",
     "test:e2e:nodejs20x": "echo 'Not Implemented'",
     "test:e2e:nodejs22x": "echo 'Not Implemented'",
     "test:e2e": "vitest --run tests/e2e",

layers/src/canary-stack.ts

@@ -45,7 +45,7 @@ export class CanaryStack extends Stack {
         '../tests/e2e/layerPublisher.class.test.functionCode.ts'
       ),
       handler: 'handler',
-      runtime: Runtime.NODEJS_18_X,
+      runtime: Runtime.NODEJS_20_X,
       functionName: `canary-${suffix}`,
       timeout: Duration.seconds(30),
       bundling: {

layers/src/layer-publisher-stack.ts

@@ -41,11 +41,7 @@ export class LayerPublisherStack extends Stack {
     this.lambdaLayerVersion = new LayerVersion(this, 'LambdaPowertoolsLayer', {
       layerVersionName: props?.layerName,
       description: `Powertools for AWS Lambda (TypeScript) version ${powertoolsPackageVersion}`,
-      compatibleRuntimes: [
-        Runtime.NODEJS_18_X,
-        Runtime.NODEJS_20_X,
-        Runtime.NODEJS_22_X,
-      ],
+      compatibleRuntimes: [Runtime.NODEJS_20_X, Runtime.NODEJS_22_X],
       license: 'MIT-0',
       compatibleArchitectures: [Architecture.ARM_64, Architecture.X86_64],
       code: Code.fromAsset(resolve(__dirname), {

layers/tests/unit/layer-publisher.test.ts

@@ -20,7 +20,7 @@ describe('Class: LayerPublisherStack', () => {
     // Assess
     template.resourceCountIs('AWS::Lambda::LayerVersion', 1);
     template.hasResourceProperties('AWS::Lambda::LayerVersion', {
-      CompatibleRuntimes: ['nodejs18.x', 'nodejs20.x', 'nodejs22.x'],
+      CompatibleRuntimes: ['nodejs20.x', 'nodejs22.x'],
       LicenseInfo: 'MIT-0',
       /* CompatibleArchitectures: [
         'x86_64',