feat: Specify stack environment

bin/hydro-survey.ts

@@ -7,14 +7,5 @@ import { HydroSurveyStack } from '../lib/hydro-survey-stack';
 
 const app = new App();
 new HydroSurveyStack(app, 'HydroSurveyStack', {
-  /* If you don't specify 'env', this stack will be environment-agnostic.
-   * Account/Region-dependent features and context lookups will not work,
-   * but a single synthesized template can be deployed anywhere. */
-  /* Uncomment the next line to specialize this stack for the AWS Account
-   * and Region that are implied by the current CLI configuration. */
-  // env: { account: process.env.CDK_DEFAULT_ACCOUNT, region: process.env.CDK_DEFAULT_REGION },
-  /* Uncomment the next line if you know exactly what Account and Region you
-   * want to deploy the stack to. */
-  // env: { account: '123456789012', region: 'us-east-1' },
-  /* For more information, see https://docs.aws.amazon.com/cdk/latest/guide/environments.html */
+  env: { account: process.env['CDK_DEFAULT_ACCOUNT'], region: process.env['CDK_DEFAULT_REGION'] },
 });