Serverless Backend for You are Awesome App! Daily Motivation Up

Awesome!

Architecture Diagram

• public read-only: diagram on gdrive
• read-write diagram on gdrive

Functions

• Sends a notification email on user reported content (i.e. inappropriate or objectionable content).
• Register for push notifications
• Unregister from push notifications
• Send Push notifications
• gsx2json - Google Sheets to JSON
• Write contributions to Google Sheets

Deployment

• Ensure a .env file exists with environment variables set properly. (see password manager). Also check the .env.sample file in this repo.
• yarn deploy:test
• Test with post.http and secret.http. (VS Code extension for HTTP requests)
• on success: yarn deploy

Development

Invoke non-API Gateway exposed Lambda functions

Reference Serverless Offline Docs

Start serverless offline with yarn dev. In the console output find

offline: Offline [http for lambda] listening on http://localhost:3002
offline: Function names exposed for local invocation by aws-sdk:
           * reportInappropriate: youareawesomeapp-prod-reportInappropriate

Then invoke that function with

aws lambda invoke /dev/null \
  --endpoint-url http://localhost:3002 \
  --function-name youareawesomeapp-prod-reportInappropriate

DynamoDB

Run via Docker Compose on port 7999: docker-compose up -d

Access from AWS NoSQL Workbench:

• Download from AWS NoSQL Workbench
• On Linux: Make the .AppImage executable
• run the .AppImage
• Open DynamoDb Workbench -> Operations Builder -> Add connection -> DynamoDB local -> port 7999
• create a table with the script create-table.ts (adjust code accordingly)
• Select the Table to see its Items

Links

• Serverless Dashboard
• AWS Console EU Central