Published in The Startup·Feb 16, 2021Member-onlyPatterns: Sidecars, Ambassadors, and Adapters ContainersContainers and architectural patterns: if you have developed distributed solutions, composed of multiple microservices, you will surely have used one of these approaches for solving “common” problems. If like me, you didn’t know that the pattern you chose for your implementation already had a name, here’s some theory for naming…Cloud5 min readCloud5 min read
Published in Towards Data Science·Dec 15, 2020Member-onlyWeb scraping @edge, AWS Kinesis Data Firehose & GlueWhat is “Web scraping @edge” or “Intranet web scraping”? The ability to extract data from a private website, i.e. from an IoT resource or device that is not publicly reachable. Why should we care? …Amazon Kinesis Firehose7 min readAmazon Kinesis Firehose7 min read
Published in Towards Data Science·Nov 19, 2020Member-onlyTime series forecasting with Prophet and Metaflow on AWSAs part of an anomaly detection project, I have recently been able to use two very interesting open source products: Prophet released by the Core Data Science team by Facebook and Metaflow, an excellent framework by Netflix. I used Prophet, in a Metaflow flow, to create forecast models of time…Metaflow10 min readMetaflow10 min read
Published in The Startup·Oct 8, 2020Member-onlyHow to Use AWS Lambda LayersWhat are AWS Lambda layers? As we know, AWS Lambda functions allow to execute code in the cloud according to the serverless paradigm. Each serverless cloud application is normally characterized by multiple independent Lambda functions capable of responding to specific events (like rest API, scheduled, triggers). …Aws Lambda Layer6 min readAws Lambda Layer6 min read
Published in The Startup·Sep 8, 2020Member-onlyAWS Amplify CI/CD: Code Lint & End-to-End TestingAfter my first approach to AWS Amplify, I want to deal with the implementation of source code linters and end-to-end tests with Cypress, obviously automated in the AWS Amplify CI/CD pipeline. Let’s face up this new challenge! References: this is the link to the GitHub repository and this is the…Aws Amplify7 min readAws Amplify7 min read
Published in The Startup·Jul 17, 2020Member-onlyFirst AWS Amplify Approach: teach math with a simple Web ApplicationDuring the past AWS Summit I attended an interesting session concerning AWS Amplify. It quickly convinced me to try this framework. A few days later I had the right opportunity: keep my son trained with the multiplication tables during summer. …Aws Amplify11 min readAws Amplify11 min read
Published in Level Up Coding·Jun 4, 2020Member-onlyChromium and Selenium in AWS LambdaLet’s see how it is possible to use Chromium and Selenium in an AWS Lambda function; first, some information for those unfamiliar with these two projects. 2020.09 update: please check project repository for a new version of this project, including Chromium ver. 86.0.4240.0 and Selenium ver. 3.14. Chromium is the…AWS Lambda5 min readAWS Lambda5 min read
Published in Level Up Coding·May 20, 2020Member-onlyHow to build an AWS Lambda CI Pipeline with Goss and TravisCIDevelop, build, and test your Lambda function without it ever actually entering the AWS cloud! Starting from the Python environment used for the development of a sample Lambda function, let’s see how to create a Continuous Integration pipeline that deals with testing it for each new commit. …Travis Ci5 min readTravis Ci5 min read
Published in Level Up Coding·May 12, 2020Member-onlyAWS Lambda offline development with DockerI work on projects that are increasingly oriented towards the serverless paradigm and increasingly implemented on the AWS Lambda platform. …AWS Lambda4 min readAWS Lambda4 min read
Published in The Startup·Apr 29, 2020Member-onlyFree SSL certificates with Certbot in AWS LambdaThanks to Certbot and to Electronic Frontier Foundation it is possible to provide a totally free SSL certificate to your website. Certbot is a command line tool to request a valid SSL certificate for your domain, following a process to verify the ownership. The tool can also deal with web…Certbot5 min readCertbot5 min read
