Blog

2023-10-012023-10-01

This blog primarily publishes articles about software engineering and AWS. I have also started publishing blogs about how to draw illustrations. The types of articles provided may vary depending on the language.

Featured

How to use Amazon Bedrock models with Open WebUI

This article explains how to use Amazon Bedrock models with Open WebUI. Open WebUI is an LLM chat application UI, and with Amazon Bedrock you can use the APIs without writing code. We walk through required settings and how to launch with docker‑compose, and show how to invoke different models easily.

2025-08-272025-08-27

AWS

LLM

Recent

How to Draw and Paint Leather Shoes ｜ How to Express Leather Texture

A practical guide to painting leather shoes with a glossy sheen. We walk through anchor highlights → bounce light → shadows → finishing, with tips on when to use Add (Glow) vs Multiply and how to handle diffuse reflection. Includes Mary Jane examples so you can consistently capture texture and volume.

2025-11-082025-11-08

Illustration

How to use Amazon Bedrock models with Open WebUI

2025-08-272025-08-27

AWS

LLM

How to receive email with Amazon SES and store it in S3

This guide shows how to receive email with Amazon SES and store it in S3. The setup is simple: create a domain identity, prepare an S3 bucket, configure a receipt rule, and add an MX record in DNS. We also cover how to verify that messages are received successfully.

2025-08-092025-08-09

AWS

Ikuma Yamashita

I like Rust. For work, I'm an infrastructure engineer, and as a hobby, I'm an application engineer. I enjoy drawing illustrations and other creative pursuits.