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Dockerising simple VPS machines
Introduction When I first started maintaining “play” servers on the internet, in order to run my own blog and various software projects, the build process was long and laborious. That would have been...
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Simple continuous integration workflow with Docker on inexpensive providers
Introduction Over the last six months, I’ve been working on a microservices-oriented application, and it has reached a level of complexity that means I could not do without the tests I have written. My...
View ArticleWordPress Dockerfile generator
I see there is a ready-made [WordPress Docker image](https://store.docker.com/images/wordpress) available, and I’m sure it is very good. However, I like my version, since it pulls in the latest...
View ArticleStrategies for Docker layer caching in CircleCI
As documented in some of my past posts, I’ve been using Docker on CircleCI a lot recently, and I thought it was about time I investigated adding Docker layer caching to the mix. This is one of Docker’s...
View ArticleREST API system for administrating Apache, SSH and FTP servers
I have some integration tests for a system that deploys PHP software to an Apache host via FTP(S) and SSH/SFTP transports. The tests run in a Docker image that has FTP and SSH servers installed, and...
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Architecture of the Missive project
Introduction Over the last year or so I have taken a sabbatical from working on other people’s projects to work on my own, and while I have discussed them in other fora, it seems sensible for me to put...
View ArticleCreating a VPS deploy key for a CircleCI build
Setting up deploy keys is not something one does very often, and accordingly when one comes to do it, it’s something that needs to be looked up from piecemeal locations on the internet! Thus, as an...
View ArticleZero-downtime rolling upgrades using CircleCI and Docker Swarm
I’ve been keen to move some of my web services from CI to CD recently, and I was keen to see if it could be done using zero-downtime techniques. In other words, I wanted to run a minimum of two...
View ArticleImplementing a Docker registry in a Git repo
Introduction I’ve noticed several things with Docker registries: The APIs to interrogate them are either cumbersome, unfinished, or usually only partially implemented Free private registries are rarely...
View ArticleCycle upgrade station
I have recently been pondering a way to keep track of purchases for my bicycles. Some of these are components for the bikes themselves (e.g. a new wheel after one was stolen), and some are attachments...
View ArticleA really helpful blog post about Stack Overflow editing that you need to read
I have lately been editing questions on Stack Overflow quite a bit. It’s my equivalent of doodling on a notepad, or idly completing a crossword: editing is my little non-taxing pastime that benefits...
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Procrastination to-do list
Introduction As a person who is both scatter-brained and busy, I’ve gone through various ways of organising my time. For over a decade, I have maintained an electronic mobile-phone calendar, so I can...
View ArticlePet medications chart
Now that she’s older, my cat has recently been accumulating a number of medications she needs to take, and it is getting hard to keep track of them. Some of them are essential, and need to be taken at...
View ArticlePondering an AWS CDK library for PHP
I recently completed a small TypeScript project in CDK, which deployed a lambda and an API Gateway to AWS. The deployed code was pretty simple, but I found the CDK difficult as I’d not done any...
View ArticleRobust and parallelisable browser tests with PHP, GeckoDriver, and Symfony...
Introduction I am building a software project currently where the development focus is on a service layer that is not web-based. However, to visualise and iterate upon the work, I decided that I...
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