serverless / serverless/examples

CORS error for ALB + Lambda

Open
#455 1 comment 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Dominant language
JavaScript
Stars
11.5k
Forks
4.4k
Avg merge
2h 55m
Merged PRs (30d)
3

Description

I'm using the Lambda +ALB for by post api and is getting the CORS error when calling from a different domain where my frontend code is deployed. I did fix it when this lambda was integrated with API Gateway, but dont see any similar approach for ALb + Lambda. Can you please let me know how to fix CORS error for a path based routing in ALB which points the target to a lambda ?

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue names an AWS Application Load Balancer path-based route targeting Lambda and a frontend on another domain, but names no repository files or tests. Start by reviewing the existing issue context and reproducing the cross-origin request with the described ALB and Lambda setup. Done means documenting or demonstrating the supported handling for this route.

Written by the indexing model from the issue text.

Assessment

Tech stack
aws, javascript
Domain
api, backend, cloud, networking
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
18/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.