Continuum Systems / Engineering blog
Home Posts About

Latest posts

2026-05-03

Server-Side reCAPTCHA for Static Sites with Lambda

Adding the missing reCAPTCHA assessment step to a static site's contact form, using API Gateway and a Python Lambda to verify tokens and send email.

  • aws
  • lambda
  • api-gateway
  • recaptcha
  • security
2026-04-14

.dev TLD vs Externally Hosted Static Sites

HSTS-preloaded TLDs break the common registrar-redirect pattern for CloudFront. Here's why, and how to fix it with Route 53 ALIAS records.

  • cdk
  • aws
  • dns
  • cloudfront

Topics

  • aws 2
  • lambda 1
  • api-gateway 1
  • recaptcha 1
  • security 1
  • cors 1
  • cdk 1
  • dns 1
  • cloudfront 1
© 2026 Continuum Systems