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Paul Swail profile picture

Paul Swail

I help companies design & build apps on AWS, particularly those of the serverless variety: https://serverlessfirst.com.

Location Belfast, N.Ireland Joined Joined on  Twitter logo GitHub logo LinkedIn logo External link icon

Integration and E2E tests are the primary confidence drivers for serverless apps

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5 min read

The testing trade-off triangle

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5 min read

Add type definitions to your Lambda functions

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2 min read

Optimise your Lambda functions using Webpack

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3 min read

Async Initialisation of a Lambda Handler

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3 min read

Give developers their own AWS account

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5 min read

How to access VPC and internet resources from Lambda without paying for a NAT Gateway

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3 min read

Comparing multi and single table approaches to designing a DynamoDB data model

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12 min read

How to build a serverless photo upload service with API Gateway

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10 min read

Migrating authentication from Express.js to API Gateway using a Lambda Authorizer

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7 min read

Building CICD pipelines for serverless microservices using the AWS CDK

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13 min read

Identifying service boundaries in a monolithic API

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5 min read

Deploying API Gateway as a proxy in front of a legacy API

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10 min read

Routing requests away from a legacy API

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5 min read

Migrating a Monolithic SaaS App to Serverless — A Decision Journal

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8 min read

How to set up AWS accounts for multiple product environments

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5 min read

Serverless Glossary

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9 min read

What new use cases do the re:Invent 2018 serverless announcements open up?

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7 min read

Schedule emails without polling a database using Step Functions

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1 min read

Why serverless newbies should use a deployment framework

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1 min read

Back-end Primer for Front-end Web Developers

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1 min read

Concerns that go away in a serverless world

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4 min read

How to connect to the AWS Console as multiple IAM users at the same time

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2 min read

The differing definitions of “serverless”

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4 min read

Scaling Lambdas inside a VPC

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8 min read

Should you be concerned about vendor lock-in when writing FaaS functions?

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5 min read

5 common mistakes deploying Lambda functions

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4 min read

How to calculate the billing savings of moving an EC2 app to Lambda

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6 min read
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