広告掲載募集中
詳細
July 2026 Ryota-Blog release notes. Migrating from microCMS to Velite + MDX, self-hosting a subsetted font, strengthening the OpenNext cache, and the story of how following a Next.js 16 deprecation warning broke production. This month focuses on internal machinery updates.
A former Hitooshi user rounds up every campaign currently running: the summer promo worth 26,700 yen (until August 30), the U29 offer, an Amazon gift card giveaway on X, the truth about coupons, and how to use an invitation code — all checked against official sources.
A full breakdown of Hitooshi's service areas: the complete list of 17 prefectures across Kanto, Kansai, and Tokai, whether you can use it from outside the area, age limits, required documents, payment methods, cooling-off rules, and rejoining — all verified against official primary sources by an actual user.
A record of migrating an internal TMS's historical dispatch analytics from an RDS staging table to reading gzip CSVs directly from S3. Two out-of-memory crashes, CloudFront's 30-second timeout, Go's substring pinning and the GOMEMLIMIT trap — and the lessons learned.
