Multi-Cloud Messaging with Functions: Gcp Pub/Sub to & from AWS SNS
summary
Build is a two-way message bridge that duplicates events between GCP Pub/Sub and AWS SNS using Cloud Functions on GCP and AWS Lambda on AWS; uploads to Google Cloud Storage fire Pub/Sub messages which a function republishes to SNS and an SNS-triggered Lambda republishes to Pub/Sub. Source code lives at the provided GitHub repo, the live demo shows both subscribers receiving the same event within milliseconds, and the pattern generalizes to other messaging systems.
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