add support for -tif

.env.example

@@ -0,0 +1,50 @@
+# Environment Configuration Example
+# Copy this file to .env.dev or .env.prod and configure your values
+
+# Source S3 Buckets
+# Comma-separated list of S3 bucket names that the solution can access
+# Example: my-images-bucket,my-other-bucket
+SOURCE_BUCKETS=lumberscan-image-resizer
+
+# Deploy Demo UI
+# Set to "Yes" to deploy the demo UI, "No" to skip
+# Default: No
+DEPLOY_DEMO_UI=No
+
+# Enable S3 Object Lambda (DEPRECATED)
+# WARNING: S3 Object Lambda architecture has been deprecated
+# Only set to "Yes" if you were an existing user before November 7, 2025
+# Default: No
+ENABLE_S3_OBJECT_LAMBDA=No
+
+# Enable CloudFront Signed URLs (for private content)
+# Set to "Yes" to require signed URLs for all image requests
+# This provides time-limited access to your images
+# Requires TRUSTED_KEY_GROUP_IDS to be configured
+# Default: No
+ENABLE_SIGNED_URLS=No
+
+# Trusted CloudFront Key Group IDs
+# Comma-separated list of CloudFront key group IDs for signed URL validation
+# Required when ENABLE_SIGNED_URLS is Yes
+# Example: 1234abcd-56ef-78gh-90ij-klmnopqrstuv,abcd1234-efgh-5678-ijkl-mnopqrstuvwx
+# See SIGNED_URLS.md for setup instructions
+TRUSTED_KEY_GROUP_IDS=
+
+# CORS Configuration
+# Enable Cross-Origin Resource Sharing (CORS) for the image handler API
+# Set to "Yes" to allow cross-origin requests from web browsers
+# Default: No
+CORS_ENABLED=No
+
+# CORS Allowed Origin
+# Specify which origins can access the API
+# Use "*" to allow any origin (less secure but convenient for testing)
+# Use a specific domain for production: https://example.com
+# Only applies when CORS_ENABLED is Yes
+# Default: *
+CORS_ORIGIN=*
+
+# Additional CDK Context (optional)
+# You can add any additional CDK context variables here
+# These will be available during deployment

.gitignore

@@ -26,6 +26,11 @@ demo-ui-config.js
 .temp_redpencil
 bom.json
 
+# deployment environment files (keep .env.example)
+.env.dev
+.env.prod
+.env.staging
+
 # System Files
 **/.DS_Store
 **/.vscode