add lib folder back

Author: HarshCasper

.gitignore

@@ -14,7 +14,6 @@ dist/
 downloads/
 eggs/
 .eggs/
-lib/
 lib64/
 parts/
 sdist/

wiremock/sample-app-runner/lib/chat-stack.ts

@@ -0,0 +1,90 @@
+import * as cdk from "aws-cdk-lib";
+import * as lambda from "aws-cdk-lib/aws-lambda";
+import * as apigateway from "aws-cdk-lib/aws-apigateway";
+import * as path from "path";
+import { Construct } from "constructs";
+
+export class ChatStack extends cdk.Stack {
+  constructor(scope: Construct, id: string, props?: cdk.StackProps) {
+    super(scope, id, props);
+
+    // Lambda function for handling chat and models requests
+    const chatHandler = new lambda.Function(this, "ChatHandler", {
+      runtime: lambda.Runtime.NODEJS_20_X,
+      handler: "index.handler",
+      code: lambda.Code.fromAsset(path.join(__dirname, "../lambda"), {
+        bundling: {
+          image: lambda.Runtime.NODEJS_20_X.bundlingImage,
+          command: [
+            "bash",
+            "-c",
+            [
+              "npm install --prefix /asset-input",
+              "npx esbuild /asset-input/index.ts --bundle --platform=node --target=node20 --outfile=/asset-output/index.js",
+            ].join(" && "),
+          ],
+          local: {
+            tryBundle(outputDir: string) {
+              const { execSync } = require("child_process");
+              try {
+                execSync(
+                  `cd ${path.join(__dirname, "../lambda")} && npm install && npx esbuild index.ts --bundle --platform=node --target=node20 --outfile=${outputDir}/index.js`
+                );
+                return true;
+              } catch {
+                return false;
+              }
+            },
+          },
+        },
+      }),
+      environment: {
+        WIREMOCK_BASE_URL: "http://wiremock.localhost.localstack.cloud:4566",
+      },
+      timeout: cdk.Duration.seconds(30),
+      memorySize: 256,
+    });
+
+    // REST API Gateway
+    const api = new apigateway.RestApi(this, "ChatApi", {
+      restApiName: "WireMock Chat API",
+      description: "API for chat backend using WireMock OpenAI mocks",
+      deployOptions: {
+        stageName: "dev",
+      },
+      defaultCorsPreflightOptions: {
+        allowOrigins: apigateway.Cors.ALL_ORIGINS,
+        allowMethods: apigateway.Cors.ALL_METHODS,
+      },
+    });
+
+    // Lambda integration
+    const lambdaIntegration = new apigateway.LambdaIntegration(chatHandler, {
+      requestTemplates: { "application/json": '{ "statusCode": "200" }' },
+    });
+
+    // GET /models endpoint
+    const modelsResource = api.root.addResource("models");
+    modelsResource.addMethod("GET", lambdaIntegration);
+
+    // POST /chat endpoint
+    const chatResource = api.root.addResource("chat");
+    chatResource.addMethod("POST", lambdaIntegration);
+
+    // Outputs
+    new cdk.CfnOutput(this, "ApiEndpoint", {
+      value: api.url,
+      description: "API Gateway endpoint URL",
+    });
+
+    new cdk.CfnOutput(this, "ModelsEndpoint", {
+      value: `${api.url}models`,
+      description: "GET /models endpoint",
+    });
+
+    new cdk.CfnOutput(this, "ChatEndpoint", {
+      value: `${api.url}chat`,
+      description: "POST /chat endpoint",
+    });
+  }
+}