Crespo WanginGeek CultureS3 Object Lambda in TypescriptRecently AWS announced S3 Object Lambda, which enables data processing as it is being retrieved from S3.3 min read·Apr 8, 2021----
Crespo WanginThe StartupUse Slack to Monitor SQS Dead-Letter QueueUse Slack to easily monitor and manage SQS dead-letter queue, makes DevOps a bit easier, it’s easy to setup and cheap to run, and it’s fun!5 min read·Dec 11, 2020--1--1
Crespo WanginITNEXTWork with AWS RDS ProxyConnect to your RDS via RDS Proxy using native credentials and IAM Authentication.4 min read·Aug 27, 2020--3--3
Crespo WanginJavaScript in Plain EnglishUse Lambda@Edge + JWT to secure S3 bucketAn alternative way to protect S3 bucket behind API Gateway, using JWT + Lambda@Edge.5 min read·May 25, 2020----
Crespo WangHost S3 website using AWS SFTPHost your static website on AWS S3, and manage the content using AWS Transfer for SFTP.4 min read·Mar 25, 2020----
Crespo WanginThe StartupCreate PDF using Pdf-lib on Serverless AWS LambdaManipulate PDF using Pdf-lib on Serverless AWS Lambda, using layers, behind API Gateway and S3 event.5 min read·Feb 25, 2020--2--2
Crespo WanginThe StartupCreate PDF using PdfKit on Serverless AWS Lambda with LayerPdfkit is a popular tool for manipulating PDF, and running it on AWS Lambda makes it even more powerful because of the benefits from being…4 min read·Feb 14, 2020--3--3
Crespo WangCreate PDF using Chromium Puppeteer in Serverless AWS LambdaIt’s been a while since the last time I published the solution, tech evolves fast, now it’s time for an overhaul.4 min read·Jan 7, 2020--1--1
Crespo WanginThe StartupHow does improved VPC help reducing Lambda cold startAWS announced the improvement on VPC networking for Lambda in September, since then I’ve been checking the updates every day, it finally…3 min read·Nov 14, 2019----
Crespo WangLesson learned from using AWS CreditsAWS is pretty generous on giving credits to startups, to help them cover the AWS bills in their early days (well you know so that they can…2 min read·Sep 17, 2019----