Amazon-web-services Questions

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Query multiple items from DynamoDB

I am designing a simple serverless app in aws: api gateway-> lambda (node.js) -> dynamodb. i want to keep number of customers in the same

How do I find hostname in AWS?

I recently opened a database instance on aws using rds. i can't find the ip or hostname to the database. can somebody help? i'm using mariadb

Dynamodb putItem written twice

I am new to aws and i feel like i am missing something important. i am using this code from a lambda function in nodejs to create an
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Fully evaluate S3 access

I am kinda new to s3 and i am aware that access to my bucket/objects can be given either through bucket policy or acl. the thing is that acl

DB replication behind the scenes

Tried searching a lot on internet, but could not find any satisfactory information. we create db replicas so that the primary db instance does not
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Upload image to s3 from url

I am trying to upload a image, for which i have a url into s3 i want to do the same without downloading the image to local storage
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Node.js on AWS Lambda and DynamoDB

I'm trying to create a lambda function to generate a .js script (in order to use with chart.js). this script sends a query to a table in
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