Lambda Event Triggers

What Invokes a Function

💡 Event, triggers, EK, "DOORBELL, SYSTEM", jaise, HAIN, — DIFFERENT, DOORBELLS, (S3, upload, API, call, scheduled, timer) SAB, SAME, HOUSE-HELPER, (Lambda), ko, BULA, sakte, HAIN.

Lambda, ko, KAI, SOURCES, se, TRIGGER, kiya, ja, sakta hai: S3, (file, upload, hone, PAR), API, Gateway, (HTTP, request, PAR), DynamoDB, Streams, (table, changes, PAR), aur, CloudWatch, Events, (SCHEDULED, jobs, ke, liye).

Lambda, function, ko, S3, bucket, ke, "ObjectCreated" event, se, CONNECT, karne, ke, liye, EK, EVENT, NOTIFICATION, CONFIGURE, karni, PADTI, hai.

aws s3api put-bucket-notification-configuration --bucket my-bucket --notification-configuration file://notification.json

🎯

Event, triggers, EK, "DOORBELL, SYSTEM", jaise, HAIN, — DIFFERENT, DOORBELLS, (S3, upload, API, call, scheduled, timer) SAB, SAME, HOUSE-HELPER, (Lambda), ko, BULA, sakte, HAIN.

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⚡ Quick Recap

Lambda triggers: S3, API Gateway, DynamoDB Streams, CloudWatch Events
S3 event trigger se automatic image processing jaisa use-case common hai
Scheduled (cron-like) jobs bhi CloudWatch Events se trigger ho sakte hain

On this page (2 subtopics)

💡Tip: S3, EVENT, trigger, se, IMAGE, upload, hote, hi, AUTOMATICALLY, THUMBNAIL, GENERATE, karna, EK, CLASSIC, SERVERLESS, use-case, hai.

Lambda, function, ko, S3, bucket, ke, "ObjectCreated" event, se, CONNECT, karne, ke, liye, EK, EVENT, NOTIFICATION, CONFIGURE, karni, PADTI, hai — bucket, PAR, KOI, file, upload, hote, hi, Lambda, AUTOMATICALLY, INVOKE, ho, jaata hai.

aws s3api put-bucket-notification-configuration --bucket my-bucket --notification-configuration file://notification.json

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Lambda Event Triggers

Common Event Sources

Configuring an S3 Trigger