DynamoDB Archives

AWS Lambda – build yourself a URL shortener in 2 hours

API Gateway, AWS, DynamoDB, Lambda, Programming, Serverless

An interesting requirement came up at work this week where we discussed potentially having to run our own URL Shortener because the Universal Links mechanism (in iOS 9 and above) requires a JSON manifest at https://domain.com/apple-app-site-association Since the OS doesn’t follow redirects this manifest has to be hosted on the URL shortener’s root domain. Owing to a limitation on AppsFlyer it’s …

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Yubl’s road to Serverless architecture – overview

API Gateway, AWS, DynamoDB, Kinesis, Lambda, Node.js, Programming, S3, Serverless

part 1: overview <- you’re here part 2: testing and CI/CD part 3: ops part 4: building a scalable notification system part 5: building a better recommendation system Since Yubl’s closure quite a few people have asked about the serverless architecture we ended up with and some of the things we have learnt along the …

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Slides and recording of my Lambda talk at LeetSpeak 2016

API Gateway, AWS, DynamoDB, Kinesis, Lambda, Node.js, Programming, Serverless

[slideshare id=67212536&doc=buildreactivesystemsonlambda-161015103832]

Recording and Slides for F# DSLs talk at F# |> Bristol

AWS, CloudWatch, Domain Specific Language, DynamoDB, DynamoDb.SQL, F#, Programming, SimpleWorkflow.Extensions, SWF

Here’s the recorded live stream of the F# DSLs session I did at the F# |> Bristol user group last night. (apologies for the first few mins where I forgot to share my screen to the Hangout…) and here’s the slides to go with the talk: Tame cloud complexity with F#-powered DSLs from Yan Cui

Slides for F# DSL talk at LambdaDays

AWS, CloudWatch, DynamoDB, Programming, SWF

Hi, thanks to everyone who turned up to my talk at LambdaDays this afternoon, here are the slides. Tame cloud complexity with F#-powered DSLs from Yan Cui You can find the source code for the projects I discussed below: DynamoDB.SQL : source code & nuget package SimpleWorkflow.Extensions : source code & nuget package CloudWatch.Selector : …

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New releases – DynamoDB.SQL and Darkseid

AWS, DynamoDB, F#, Kinesis, Programming

Hi, just a quick update on two of my libraries aimed at making AWS easier to work with from .Net. DynamoDB.SQL DynamoDB.SQL is a SQL-like external DSL for querying & scanning data in Amazon DynamoDB. Version 3.0.0 has been released, which moves away from the monolithic .Net AWSSDK (v2.x.x), and onto the DynamoDB specific package. You can …

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Slides for my Craft-Conf meetup talk on DSLs and F#

AWS, CloudWatch, Domain Specific Language, DynamoDB, DynamoDb.SQL, F#, Me, Programming, S3, SimpleWorkflow.Extensions, Type Providers

Learn you to tame complex APIs with F#-powered DSLs from Yan Cui

DynamoDB.SQL 2.0.0 is out!

AWS, Domain Specific Language, DynamoDB, DynamoDb.SQL, Programming

Hi everyone, happy new year! I was really glad to find a couple of days to work on some of my open source projects and put together a new version of DynamoDB.SQL which brings it inline with the latest version of the .Net AWSSDK amongst other things. You can download and install it from Nuget …

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DynamoDB.SQL 1.2.1 – now supports Local Secondary Index

.Net, AWS, Domain Specific Language, DynamoDB, DynamoDb.SQL, F#, Programming

A couple of weeks earlier, Amazon announced support for Local Secondary Indexes (LSI) for DynamoDB. You can now perform fast, efficient queries against DynamoDB tables using attributes that are not part of the existing Hash and Range key model without resorting to the use of scans. As a result to the new feature the DynamoDB …

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DynamoDB.SQL – version 1.1.0 released

.Net, AWS, Domain Specific Language, DynamoDB, DynamoDb.SQL, F#, Programming

Just a quick note to say that another minor update to DynamoDB.SQL has been release, you can view the release notes here. The latest update adds support for a TSQL style WITH keyword for specifying optional parameters for tweaking the query/scan operation. For queries, you can specify the NoConsistentRead and PageSize options to use …

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