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AWS re:Invent 2017 themes

AWS re:Invent 2017 themes

I’m in Las Vegas this week. So many new features and services were announce that it’s hard to keep up-to-date. That’s why I’d like to try something different to recap re:Invent this year. Instead of listing you all the announcements, I take a step bac...

Meet me at AWS re:Invent and have breakfast with me

Meet me at AWS re:Invent and have breakfast with me

If you attend this year’s AWS re:Invent, this blog post is for you! I will invite a group of people to have breakfast together on Tuesday morning (Nov 28, 9-10am) offside the noisy halls where you could get your complimentary re:Invent breakfast. Food a...

Your Lambda function might execute twice. Be prepared!

Your Lambda function might execute twice. Be prepared!

Are you confused when scheduled Lambdas execute twice, SNS messages trigger an invocation three times, your handmade S3 inventory is out of date because events occurred twice? Bad news: Sooner or later, your Lambda function will be invoked multiple time...

Send CloudWatch Alarms to Slack with AWS Lambda

Send CloudWatch Alarms to Slack with AWS Lambda

As we all know, things go wrong. That’s why monitoring and alerting are essential topics. Wouldn’t it be nice, if problems in your AWS account would show up in Slack? So you can react quickly while using your favorite messaging tool. In this blog post, ...

Passwordless database authentication for AWS Lambda

Passwordless database authentication for AWS Lambda

Does your serverless application need to access an RDS database? Where do you store the username and the password required to authenticate with the database? Storing the password in plain text within your source code should not be an option. Same is tru...

Engaging your users with AWS Step Functions

Engaging your users with AWS Step Functions

Imagine a new user signs up for your service. You send an automated welcome message to your new user explaining how the service works. But what if your user struggles with the first steps? You want to send a second email with additional information. To ...

A simple way to manage log messages from containers: CloudWatch Logs

A simple way to manage log messages from containers: CloudWatch Logs

Gone are the days when administrators logged into their machines to access log files. Containers and virtual machines are launched and terminated dynamically to scale based on demand, to deploy new versions, or to recover from failure nowadays. Collecti...

Amazon Web Services in Action Second Edition is in the works

Amazon Web Services in Action Second Edition is in the works

We released our book Amazon Web Services in Action in September 2015. But AWS didn’t rest on its laurels. Every day, new features are released that can make your life easier. It’s time to revise our book so you can continue to build effective solutions ...

A non-technical way to reduce your AWS bill within 5 minutes

A non-technical way to reduce your AWS bill within 5 minutes

Are you looking for ways to reduce your monthly AWS bill? Usually, I do share technical tips and tricks to do so: 3 simple ways of saving up to 90% of EC2 costs or Performance boost and cost savings for DynamoDB. But today, I will share a nontechnical w...

New CloudFormation Template - Backing up DynamoDB the easy way

New CloudFormation Template - Backing up DynamoDB the easy way

DynamoDB is an easy-to-use NoSQL database available only on AWS. It comes with many useful features such: Time-to-live for items Secondary indexes Scalable read and write throughput Streams that contain all changes of a table Unfortunately, there is n...


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Amazon Web Services in Action

Amazon Web Services in Action introduces you to computing, storing, and networking in the AWS cloud.

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