Adds CDK deployment instructions and updates region

Enhances the README with CDK deployment commands.

README.md

@@ -24,4 +24,13 @@ samples, guidance on mobile development, and a full API reference.
 
 - run command: `flutter run -d chrome --target=lib/main_dev.dart`
 
+## CDK Deployment
 
+• Bootstrap CDK (first time only): npx cdk bootstrap aws://482311766496/me-central-1
+• List available stacks: npx cdk list
+• Deploy web: npx cdk deploy --require-approval never
+• View changes before deploy: npx cdk diff
+• Generate CloudFormation template: npx cdk synth
+• Destroy infrastructure: npx cdk destroy
+• Web infrastructure is configured in infrastructure/web-stack.ts
+• After code changes: build Flutter web app and deploy to hosting service

bin/web-stack.ts

@@ -8,7 +8,7 @@ const app = new cdk.App();
 new WebStack(app, 'SyncrowWebStack', {
   env: {
     account: process.env.CDK_DEFAULT_ACCOUNT,
-    region: process.env.CDK_DEFAULT_REGION || 'us-east-2',
+    region: 'me-central-1',
   },
   certificateArn: app.node.tryGetContext('certificateArn'),
 });

cdk.context.json

@@ -2,5 +2,9 @@
   "hosted-zone:account=482311766496:domainName=syncrow.me:region=us-east-2": {
     "Id": "/hostedzone/Z02085662NLJECF4DGJV3",
     "Name": "syncrow.me."
+  },
+  "hosted-zone:account=482311766496:domainName=syncrow.me:region=me-central-1": {
+    "Id": "/hostedzone/Z02085662NLJECF4DGJV3",
+    "Name": "syncrow.me."
   }
 }

infrastructure/web-stack.ts

@@ -31,7 +31,7 @@ export class WebStack extends cdk.Stack {
       autoDeleteObjects: true,
     });
 
-    // Use existing wildcard certificate in us-east-1
+    // Use existing wildcard certificate in us-east-1 (required for CloudFront)
     const webCertificate = props?.certificateArn 
       ? acm.Certificate.fromCertificateArn(this, 'WildcardCertificate', props.certificateArn)
       : acm.Certificate.fromCertificateArn(this, 'WildcardCertificate',