fix: Node16 runtime (#52)

* remove compatible runtimes for layer - node 18 not supported much yet

* Use NODE_16_X runtime everywhere

* lint

* aws-cdk-lib 2.50.0

.projenrc.js

@@ -2,7 +2,7 @@ const { awscdk } = require('projen');
 const project = new awscdk.AwsCdkConstructLibrary({
   author: 'JetBridge',
   authorAddress: '[email protected]',
-  cdkVersion: '2.53.0',
+  cdkVersion: '2.50.0',
   defaultReleaseBranch: 'main',
   name: 'cdk-nextjs-standalone',
   repositoryUrl: 'https://github.com/jetbridge/cdk-nextjs.git',

src/ImageOptimizationLambda.ts

@@ -2,11 +2,11 @@ import * as fs from 'fs';
 import * as path from 'path';
 import { Duration } from 'aws-cdk-lib';
 import { Policy, PolicyStatement } from 'aws-cdk-lib/aws-iam';
-import * as lambda from 'aws-cdk-lib/aws-lambda';
 import { FunctionOptions } from 'aws-cdk-lib/aws-lambda';
 import { NodejsFunction } from 'aws-cdk-lib/aws-lambda-nodejs';
 import { IBucket } from 'aws-cdk-lib/aws-s3';
 import { Construct } from 'constructs';
+import { LAMBDA_RUNTIME } from './constants';
 import { NextjsBaseProps } from './NextjsBase';
 import type { NextjsBuild } from './NextjsBuild';
 import { NextjsLayer } from './NextjsLayer';
@@ -40,8 +40,6 @@ export interface ImageOptimizationProps extends NextjsBaseProps {
   readonly nextBuild: NextjsBuild;
 }
 
-const RUNTIME = lambda.Runtime.NODEJS_18_X;
-
 /**
  * This lambda handles image optimization.
  */
@@ -69,7 +67,7 @@ export class ImageOptimizationLambda extends NodejsFunction {
 
     super(scope, id, {
       entry: imageOptHandlerPath,
-      runtime: RUNTIME,
+      runtime: LAMBDA_RUNTIME,
       bundling: {
         commandHooks: {
           beforeBundling(_: string, outputDir: string): string[] {

src/NextjsDistribution.ts

@@ -15,7 +15,7 @@ import * as s3 from 'aws-cdk-lib/aws-s3';
 import { Construct } from 'constructs';
 import * as fs from 'fs-extra';
 import { bundleFunction } from './BundleFunction';
-import { DEFAULT_STATIC_MAX_AGE } from './constants';
+import { DEFAULT_STATIC_MAX_AGE, LAMBDA_RUNTIME } from './constants';
 import { BaseSiteDomainProps, buildErrorResponsesForRedirectToIndex, NextjsBaseProps } from './NextjsBase';
 import { NextjsBuild } from './NextjsBuild';
 
@@ -520,7 +520,7 @@ export class NextjsDistribution extends Construct {
     });
 
     const fn = new cloudfront.experimental.EdgeFunction(this, 'DefaultOriginRequestEdgeFn', {
-      runtime: lambda.Runtime.NODEJS_16_X,
+      runtime: LAMBDA_RUNTIME,
       // role,
       handler: 'LambdaOriginRequest.handler',
       code: lambda.Code.fromAsset(dirname(outputPath)),

src/NextjsLambda.ts

@@ -10,6 +10,7 @@ import { StringParameter } from 'aws-cdk-lib/aws-ssm';
 import { Construct } from 'constructs';
 import * as fs from 'fs-extra';
 import { bundleFunction } from './BundleFunction';
+import { LAMBDA_RUNTIME } from './constants';
 import { CONFIG_ENV_JSON_PATH } from './Nextjs';
 import { NextjsBaseProps } from './NextjsBase';
 import { createArchive, NextjsBuild } from './NextjsBuild';
@@ -39,8 +40,6 @@ export interface NextjsLambdaProps extends NextjsBaseProps {
   readonly lambda?: FunctionOptions;
 }
 
-const RUNTIME = lambda.Runtime.NODEJS_16_X;
-
 /**
  * Build a lambda function from a NextJS application to handle server-side rendering, API routes, and image optimization.
  */
@@ -105,7 +104,7 @@ export class NextJsLambda extends Construct {
     const fn = new Function(scope, 'ServerHandler', {
       memorySize: functionOptions?.memorySize || 1024,
       timeout: functionOptions?.timeout ?? Duration.seconds(10),
-      runtime: RUNTIME,
+      runtime: LAMBDA_RUNTIME,
       handler: path.join(props.nextjsPath, 'server.handler'),
       code,
       environment,

src/NextjsLayer.ts

@@ -16,7 +16,6 @@ export class NextjsLayer extends LayerVersion {
     const layerDir = path.resolve(__dirname, '../assets');
     super(scope, id, {
       code: new lambda.AssetCode(path.join(layerDir, 'sharp-0.30.0.zip')),
-      compatibleRuntimes: [lambda.Runtime.NODEJS_16_X, lambda.Runtime.NODEJS_18_X],
       description: 'Sharp for Lambdas',
       ...props,
     });

src/NextjsS3EnvRewriter.ts

@@ -6,6 +6,7 @@ import { Bucket, IBucket } from 'aws-cdk-lib/aws-s3';
 import * as cr from 'aws-cdk-lib/custom-resources';
 import { Construct } from 'constructs';
 import { bundleFunction } from './BundleFunction';
+import { LAMBDA_RUNTIME } from './constants';
 import { NextjsBaseProps } from './NextjsBase';
 import { makeTokenPlaceholder, NextjsBuild } from './NextjsBuild';
 
@@ -65,7 +66,7 @@ export class NextjsS3EnvRewriter extends Construct {
 
     // rewriter lambda function
     const rewriteFn = new lambda.Function(this, 'RewriteOnEventHandler', {
-      runtime: lambda.Runtime.NODEJS_16_X,
+      runtime: LAMBDA_RUNTIME,
       memorySize: 1024,
       timeout: Duration.minutes(5),
       handler: 'S3EnvRewriter.handler',

src/constants.ts

@@ -1,4 +1,7 @@
 import { Duration } from 'aws-cdk-lib';
+import { Runtime } from 'aws-cdk-lib/aws-lambda';
 
 export const DEFAULT_STATIC_MAX_AGE = Duration.days(30).toSeconds();
 export const DEFAULT_STATIC_STALE_WHILE_REVALIDATE = Duration.days(1).toSeconds();
+
+export const LAMBDA_RUNTIME = Runtime.NODEJS_16_X;