Blog articles tagged 'programming'

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on 11/17/2020 10:49 AM
I have been involved with a client project to help the client launch a new social network for university students to engage with each other to do sports. Amongst other things, users can: Arrange activities and ask to join others’ activities (like a basket[...]
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on 9/8/2020 3:50 PM
I previously wrote about five reasons you should consider AppSync over API Gateway. One thing that API Gateway supports but you can’t do with AppSync out-of-the-box yet is custom domain names. Your shiny new AppSync API is available at XYZ.appsync-api.us-[...]
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on 8/26/2020 3:54 AM
I have been working with a US client to build a first-of-its-kind app for managing medical consents. It falls under HIPAA compliance and it’s paramount that we do not allow unauthorized access to user data. As part of the app, we have built an admin tool [...]
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on 7/29/2020 7:02 PM
I have been working on a large AppSync project for a client these past few months. The initial version of the app was built in just a few weeks, but the client has commissioned additional features and the project has kept growing. At the time of writing, [...]
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on 7/18/2020 4:57 PM
When working with CloudFormation, AWS recommends not to give explicit names to resources and let CloudFormation name them for you. This has several advantages: It’s harder for attackers to guess resource names such as S3 buckets or DynamoDB tables. You ca[...]
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on 4/15/2020 11:56 AM
TL;DR To make an AppSync DynamoDB resolver throw exceptions on conditional check errors, we need to check $context.error in the response mapping template ourselves. Like this: #if ( $ctx.error ) #if ( $ctx.error.type.equals("DynamoDB:ConditionalCheckFaile[...]
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on 4/9/2020 2:13 AM
So you have built a serverless application, that, amongst other things, lets you upload images and files to S3. The set-up is very simple: API Gateway, Lambda and S3. It took you no time to implement and it works like a dream. You pat yourself on the back[...]
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on 11/3/2019 4:00 PM
Disclaimer: this is a long list, you don’t need to tick every box to go-live. Think of them as a ladder, the more critical a system the higher you should try and climb. Observability Enable detailed monitoring to get per-method metrics (e.g. latency for G[...]
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on 10/14/2019 3:40 PM
Presently sponsored by Blue Matador: You've automated your infrastructure with serverless. Now automate your monitoring alerts with Blue Matador. Stop configuring alerts for your Lambda functions, just use Blue Matador. We're so confident you'll love it t[...]
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on 10/7/2019 4:00 PM
Presently sponsored by Blue Matador: You've automated your infrastructure with serverless. Now automate your monitoring alerts with Blue Matador. Stop configuring alerts for your Lambda functions, just use Blue Matador. We're so confident you'll love it t[...]
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