Multiple stacks

mutliple-stack.ts

import {Construct} from 'constructs';
import {App, TerraformOutput, TerraformStack} from 'cdktf';
import {AwsProvider, LambdaFunction, IamRole} from "./.gen/providers/aws";
import {SecondStack} from "./second-stack";

class MainStack extends TerraformStack {
    constructor(scope: Construct, id: string) {
        super(scope, id);
        
        new AwsProvider(this, "aws", {
            region: "eu-west-1",
        });

        const lambdaRole = new IamRole(this, "cdk-tf-lambda-role", {
            name: "cdk-tf-lambda-role",
            assumeRolePolicy: JSON.stringify({
                "Version": "2012-10-17",
                "Statement": [
                    {
                        "Action": "sts:AssumeRole",
                        "Principal": {
                            "Service": "lambda.amazonaws.com"
                        },
                        "Effect": "Allow",
                    }
                ]
            })
        })

        const lambda = new LambdaFunction(this, "cdk-tf-lambda", {
            filename: '../lambda/lambda.zip',
            functionName: 'cdk-tf',
            handler: 'index.handler',
            role: lambdaRole.arn,
            runtime: 'nodejs12.x'
        });

        new TerraformOutput(this, 'cdk-tf-lambda-arn', {
            value: lambda.arn
        });
    }
}

const app = new App();
new MainStack(app, 'dec-imp-main-stack');
new SecondStack(app, 'dec-imp-sec-stack'); // another stack declared in another file is imported here
app.synth();