Tlakomy.com is the personal blog of Tomasz Łakomy, a Senior Frontend Engineer, tech speaker, and egghead.io instructor who is currently working on Cloudash, a serverless monitoring tool. On his blog he shares notes and deep dives about AWS, serverless architectures, AWS CDK, Lambda, DynamoDB, AppSync, GraphQL, TypeScript, and frontend development, always with a practical and friendly tone.
42 articles from this blog
A summary of AWS Step Functions, covering state types, pricing models, and key concepts for building serverless workflows.
Key takeaways from AWS AppSync sessions at Re:Invent 2020, covering GraphQL resolvers, deployment options, and security best practices.
A beginner's guide to Velocity Template Language (VTL) covering variables, directives, loops, and conditionals for dynamic content generation.
A guide to advanced data modeling in Amazon DynamoDB, covering access patterns, single-table design, and filtering strategies.
Key takeaways from a talk on Amazon DynamoDB data modeling, covering primary keys, access patterns, and single-table design strategies.
Explains the differences between cookies and tokens for API authentication, covering OAuth, JWT, and deployment considerations.
Analysis of an AWS serverless ETL pattern using EventBridge, Lambda, Fargate, and S3 to process CSV files into DynamoDB.
Learn how to use the VSCode debugger with AWS CDK to debug infrastructure code and inspect variables without console.log statements.
Learn to build an AWS CDK stack that sends email notifications via SNS when files are uploaded to an S3 bucket.
Tutorial on building a GraphQL server using Apollo Server and AWS CDK with TypeScript, including Lambda and API Gateway setup.
A developer's notes from a TypeScript course, covering setup with Parcel, React integration, and TypeScript compiler basics.
Key takeaways from a GraphQL schema design course, covering mocking, naming conventions, nullable fields, and schema evolution.
Key takeaways from a GraphQL Query Language course, covering queries, mutations, variables, and fragments for API development.
A software engineer critiques story-point-driven estimation in agile development, arguing it's often misleading and doesn't solve core estimation problems.
Notes from a course on building custom CLI tools using oclif and TypeScript, covering debugging, prompts, and scaffolding.
Learn how to use AWS CDK to automate S3 lifecycle policies for cost-effective storage management in a practical tutorial.
Explains AWS Elastic Beanstalk deployment policies like All-at-once, Rolling, and Immutable, comparing their impact on downtime and capacity.
Learn how to test AWS CDK Lambda functions locally using AWS SAM, avoiding frequent cloud deployments for faster development.
Personal study notes and key concepts for the AWS Certified Developer Associate exam, covering services like Lambda, DynamoDB, and API Gateway.
An introduction to AWS Cloud Development Kit (CDK), explaining how to define cloud infrastructure using familiar programming languages like TypeScript.
