Jesse Casman
jcasman.bsky.social
Jesse Casman
@jcasman.bsky.social
Open source user and enthusiast, president of Oppkey, Silicon Valley-based developer relations firm
New dev.to article: “Versioning your database with SQLAlchemy and Alembic.”

Big ah-ha for me: changing your models doesn’t touch the DB until you generate and run a migration, so you can review changes before they hit prod.

dev.to/jcasman/vers...

#python #sqlalchemy #alembic #fastapi
November 19, 2025 at 4:41 PM
I’ve been looking at different ways to deploy a FastAPI-based application. I’ve used Fly and Leapcell recently.

Article and try-it-yourself installation steps here:

fastopp.hashnode.dev/deploy-a-min...

#fastapi #opensource
October 11, 2025 at 12:11 AM
Calling all students! FastOpp is a well-scaffolded, opinionated open source technology stack for building AI web apps. It bridges the gap between learning frameworks and real-world AI-first apps.

fastopp.hashnode.dev/fastopp-a-st...

#fastapi #Python
September 29, 2025 at 9:04 PM
FastOpp: A Student-Friendly Starter for AI Web Apps

Opportunity for students learning AI - Guided curriculum, mentorship, live project to add to your resume

dev.to/jcasman/fast...

#opensourceai #opensource
September 17, 2025 at 3:40 PM
To use AI, you've got to test it first.

We've done that here at Oppkey, and this article on testing AI for marketers gives you a great starting point.

Key question: Can I use AI with my internal marketing data spreadsheets? Is it better than my spreadsheets?

dzone.com/articles/tes...
April 1, 2025 at 4:26 PM
Talked with Koichi Shikata, Head of Solutions Architect Division, SUSE Software Solutions, Japan, to find out how open source adoption is accelerating in Japan - dzone.com/articles/ven...
Vendor Lock-In Drives Open-Source Adoption in Japan
Open-source software is gaining ground in Japanese corporate strategy, driven by AI, cloud-native adoption, and expanded use in the manufacturing industry.
dzone.com
March 11, 2025 at 4:00 AM
From the R Consortium - cool information about a new R Users Group in Malawi - Covers how the use of R in Malawi is still in its infancy but use is growing in academia

r-consortium.org/posts/introd...

#rstats
December 30, 2024 at 9:58 PM
Corporate policies in Japan have been too cautious regarding open source - This has contributed to Japan being viewed as slower and less cutting-edge - It appears this is changing!

dzone.com/articles/jap...

#opensource #japan #hitachi
Japan’s Next Step With Open-Source Software
The Japanese corporate strategy is now incorporating open-source software to extend Japan’s technical reach into new markets, traditionally a weakness.
dzone.com
December 2, 2024 at 10:09 PM
Open source is being incorporated more into Japanese corporate strategy - Article focuses on Hitachi and their OSS Solution Center with technologies like KeyCloak (identity management) - If you're in open source, I'd love to hear your opinion - dzone.com/articles/jap...
Japan’s Open-Source Culture and Rapid Change in Companies
Japanese companies are gradually beginning to incorporate open-source software into corporate strategies, moving beyond just mere software contributions.
dzone.com
November 25, 2024 at 3:01 PM
Hello, world!
November 28, 2023 at 9:26 PM