Keita's Blog

There are a couple ways to extract map tiles from the various archives - the most popular being MBTiles and PMTiles these days.

It's that time of year again to reflect and think about what's coming up in the future.

日本語版はこちらです With the release of MapLibre GL JS v5.12.0, MapLibre Tiles (MLT) are now generally accessible to the normal user in a web browser!

Until a few months ago, I never really was interested in my age, or the age of people around me.

本日、ちょっと謎の名前のプロジェクト「Binary Blackhole」（略称: BBH）の開発環境をリリースしました。

This article is also available in English 先日、Geoloniaでの最終出勤日でした。

日本語版はこちらです Yesterday was my last day at Geolonia.

I live in a small town that occasionally broadcasts announcements over the radio.

Happy New Year!

This year, I really wanted to work on my output, and I think I'm doing pretty well.

This year was an eventful year.

最初の記事 は引っ越して1ヶ月で書きましたが、そこからだいぶ経ちました。。

約1ヶ月前に、屋久島に移住しました。

I often get asked why I prefer Terraform over CloudFormation.

I currently work at a Japanese mapping startup called Geolonia.

With the release of the Mac Studio recently -- something that, for quite a long time, I thought I had been waiting for -- I started thinking about what the ideal desktop environ...

I previously wrote about something I wanted to do with DynamoDB and geospatial data, and got a lot of responses on Twitter.

Recently, I've been interested in how to serve and work with geographic data with the least amount of "work" possible.

Just some stuff I've picked up while working with DynamoDB Global Tables.

I wanted to make some advanced logic available, easily configurable via a database, in a couple apps that I've been working on recently.

There have been multiple analyses about the recent (2020/11/25) outage of AWS Kinesis and its cascading failure mode, taking a chunk of AWS services with it -- including seeming...

Like you, I've been finding myself working from home more often than not.

このブログは、WordPress のカテゴリーを使って言語を分けています。

以前 WordPress を AWS Lambda で 運用する 記事を投稿 (英語) しましたが、 EFS対応前 に執筆しました。

I previously wrote a post about running WordPress on AWS Lambda, but it was before EFS support was announced (EFS is a managed network file system AWS provides).

During the COVID-19 pandemic, schools and daycares have been closed, so my family decided to use this as an opportunity to make some habits to make sure we can get through this...

When I set up Rails on AWS, I usually use the following pattern: (CloudFront) → ALB → Puma I was wondering: Is it always necessary to put nginx between the ALB and Puma server?...

私は料理が好きです。

While working on a Ruby project, I often find myself referring to the code of various libraries when it's easier than looking up the documentation.

I've been using Git at work for around 10 years now.

I'm a big fan of AWS ECS Fargate.

Serverless Meetup Tokyo 第13回 に参加してみました。

I've written about how to host a single page application (SPA) on AWS using CloudFront and S3 before, using the CloudFront "rewrite not found errors as a 200 response with index...

Update 2020/07/29: AWS recently announced EFS support for Lambda, which makes running WordPress in Lambda easier, with fewer limitations.

Throughout these past 4 years since AWS ECS became generally available, I've had the opportunity to manage 4 major ECS cluster deployments.

The bots should announce, “I’m not a person, or if I am, I’m not allowed to act like one.”

Update : Target tracking scaling is now available for ECS services.

この記事は ECS ChatOps with CodePipeline and Slack の日本語訳です 現在、Rails アプリケーションを ECS に移行する作業を進めています。

I'm currently working on migrating a Rails application to ECS at work.

A few years ago when I was doing client work, we would regularly host clients' sites and apps for them.

We use fluentd to process and route log events from our various applications.

Don't forget to update the KMS Key Policy, too.

I've been working on infrastructure of a fleet of a few dozen Amazon EC2 instances for the past week, and with a rapidly-growing team, we decided it was appropriate to make a ce...

I recently started using Ubuntu Linux on my main development machine.

Here are the headline features of Sierra, and my thoughts about them.

I stumbled upon Convox a couple weeks ago, and found it pretty interesting.

It's been a bit over a month since I installed Linux as my main desktop OS on a PC I built to replace OS X on a (cylinder) Mac Pro.

Elixir's Getting Started guides go over the &Module.function/arity and &(...) anonymous function shorthand, but there are a couple neat tricks that are not immediately apparent...

In the beginning of 2015, I wrote a blog post about how my then-current programming language of choice (Ruby) was showing itself to not be as future-proof as I would have liked...

I attended my first Elixir-related meetup yesterday, tokyo.ex 1.