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A collection of 59 posts

Saas based architectures

Saas based architectures

Deploy Sass customers independently each within their own version of the application or as one, application containing all tenants? The trade-offs when building software as a service (saas) based architectures, especially within the context of open source software. There's a lot of resources out there about building scalable architectures. Horizontal

How to install k0s kzeros Kubernetes

How to install k0s kzeros Kubernetes

K0 (kzeros) in a new single binary distribution model for running and deploying Kubernetes. The project is available on GitHub here: https://github.com/k0sproject/k0s The k0s project comes from engineers working on the original docker project and it's some aims include making ruining and deploying Kubernetes clusters as

Sessions not set SameSite cookie Firefox vs Chome iframe

Sessions not set SameSite cookie Firefox vs Chome iframe

This matter comes into play when you are embedding an iframe into your application (e.g. maybe your application is a SasS or you have a single sign on scenario), and you need to allow the embedded iframe to set cookies. tldr: https://twitter.com/rowan_m/status/1279013752520740865 I

FastAPI Production Deployment with Github actions & Dokku

FastAPI Production Deployment with Github actions & Dokku

This FastAPI tutorial shows you how to develop and deploy python FastAPI to a server with automated deployment & TLS using Github Actions. Based on this FastAPI deployment example repo. * Auto generated API Docs: OpenAPI & Redoc * Github actions deployment pipeline: Actions Workflow * Automated TLS certificate creation & renewal * Deployment to live url

Quickly setup local Laravel development using docker without php installed locally

Quickly setup local Laravel development using docker without php installed locally

The following will create the Laravel hello world application in your current working directory, without haveing needing to have the correct php version installed locally. docker run --rm --interactive --tty --volume $PWD:/app composer create-project --prefer-dist laravel/laravel blog Replace 'blog' with whatever you want to call your project. After

How large public and private organisations are using teams, kubernetes, vault and git to manage their deployments

How large public and private organisations are using teams, kubernetes, vault and git to manage their deployments

This document sets out my observations of recently working in a large public sector environment in the UK managing significant workloads. This is also a good history comparing deployment practices of yesterday to more modern practices seen today I think there is a significant shift happening between organisations which are

Docker entrypoint vs cmd

Docker entrypoint vs cmd

I'm always forgetting what is the difference between Docker's entry point vs Docker cmd. Which one to use and when? Tldr: "You can use the exec form of ENTRYPOINT to set fairly stable default commands and arguments and then use either form of CMD to set additional defaults that are

Installing Jenkins x with existing git repo

Installing Jenkins x with existing git repo

How to install jenkinsx and import an existing git repo for your CI/CD pipelines development process. Enable faster teams and faster releases.

Kubernetes updating many deployments at once

Kubernetes updating many deployments at once

Subscribie is a website builder targeting the niche of users who want to build a subscription based website. It allows users to quickly spin up a website and sell items on subscription. It's GPLv3 licenced. There's a hosted Subscription website version. Requirements: Ability to scale to 10s, 100s of sites

Scaling Kubernetes ReadWriteMany Ceph Deployments

Scaling Kubernetes ReadWriteMany Ceph Deployments

Run ReadWriteMany volumes on Google Kubernetes engine which allows your Deployments with persistent data to scale. This allows us to scale a Kubernetes deployment with Persistent Volumes without the deployment getting stuck waiting for a realease on a volume. This tutotial has a repo which has been pinned as a

Kubernetes SSL Certificates- How to Set-up a Cluster With SSL Termination

Kubernetes SSL Certificates- How to Set-up a Cluster With SSL Termination

Using Cert Manager on a Kubernetes cluster to do SSL termination. By the end of this guide you will be able to: * Route SSL traffic from a domain your own (example.com) to a kubernetes cluster * Understand how to add additional domains to your cluster * Certificate renewal is automatic, handled

Building Non Root Docker Images OpenShift

Building Non Root Docker Images OpenShift

* Bummer: You can rarely use an existing Dockerhub image and run it on OpenShift out the box. * Although with good intentions, this is a massive blow to developer experience coming from standard Kubernetes which is probably hindering adoption of OpenShift in the wider community * Openshift ignores the USER directive of

Open Banking Project API Set-up Locally on IntelliJ

Open Banking Project API Set-up Locally on IntelliJ

Get the OBP-API codebase mkdir -p ~/obpapi-demo-install cd obpapi-demo-install/ git clone https://github.com/OpenBankProject/OBP-API.git cd OBP-API/ # Create detault props settings, by copying the templates cp src/main/resources/props/sample.props.template src/main/resources/props/default.props cp src/main/resources/props/test.default.props.template

Installing Rocketchat Self Hosting Debian 9.6 (Ubuntu) with Docker

Installing Rocketchat Self Hosting Debian 9.6 (Ubuntu) with Docker

https://rocket.chat/docs/installation/manual-installation/debian/ Follow standard install steps First follow the Rocket install guide for Debian. Install Nginx sudo apt install nginx -y # Enable and start nginx sudo systemctl enable nginx && sudo systemctl start nginx Letsencrypt Add stretch-backports to sources list: echo "deb http://ftp.debian.org/

Scaling WordPress & WooCommerce For Dragons' Den

Scaling WordPress & WooCommerce For Dragons' Den

How we prepare your website for a major TV screening We successfully hosted comapny: "The Sweet Beet" during BBC's 'Dragons' Den' screening this year which saw the site receive 133,000 visits over the course of just fifteen minutes. This post explains how we were able to keep their website

High Availability with HAproxy , Apache2 and MariaDB Galera Cluster Ubuntu 18.04 LTS & Centos 7

High Availability with HAproxy , Apache2 and MariaDB Galera Cluster Ubuntu 18.04 LTS & Centos 7

In this post we create a highly available web & database cluster using a compbination of: * MariaDB Galera Cluster of three nodes on Ubuntu 18.04 * HAproxy for load balancing (requests enter at this endpoint) on Centos 7 * Two Apache2 instancesfor web server(s) The config was used in a real

How to build and publish a package on pypi.org

How to build and publish a package on pypi.org

Notes for building and publising a python package to pypi.org These notes are for python 2.7, sorry, but they still may be useful for python 3.x. Build it python setup.py bdist_wheel Upload your package to pypi twine upload dist/* Upgrage your system to the latest

Angular 6 Dynamically Add Rows Reactive Forms How To

For this we'll create an example form which allows an admin user to add multiple selling points (rows) to a product to demonstrate dynamicaly adding multiple form inputs to a form. It starts simple, but once you've got the core concepts of it it's easyier to create more complex (such

Magento 2 Enterprise Upgrade How To

Magento 2 Enterprise Upgrade How To

This article is for both developers and business decision makers. Migrating and upgrading from Magento 1 to Magento 2 is a big task but planned well; it can go smoothly. Bare in mind that the upgrade from Magento 1 to Magento 2 is a completly new approach. It's not too

How to make an Angular 6 material design cdk & pwa app

How to make an Angular 6 material design cdk & pwa app

Step 1: Get excited about new shiny things By reading this: https://blog.angular.io/version-6-of-angular-now-available-cc56b0efa7a4 If you need help setting up an ssl certificate, read our guide How to set-up .app domains with ssl and apache. This guide goes over how to build & deploy an Angular 6 app using

Flask get server host

Flask get server host

How to get Flask server host address? The flask python app host can be accessed (during a request) by running: flask.request.host # Or the full url: flask.request.host_url For more info read about app_context on the official Flask docs. But wait, did you know you can

Angular httpClient POST Duplicate Parameters Array (like php form elements) []

Angular httpClient POST Duplicate Parameters Array (like php form elements) []

We were creating an Angular app which needed to post to a legacy PHP application and need to post same name / duplicate array parameters over a post request. Our Angular app needed to send the following http post data: data[] = value1 data[] = value2 Note the arguments are the same name,

What are PHP Static Functions (Methods) & Properties?

What are PHP Static Functions (Methods) & Properties?

This is largley thanks to Matt Zandstra's [https://www.getinstance.com] book " PHP Objects Patterns and Practice" buy his book: Amazon UK [https://www.amazon.co.uk/Objects-Patterns-Practice-Experts-Source/dp/143022925X/] | Amazon US [https://www.amazon.com/Objects-Patterns-Practice-Experts-Source/dp/143022925X/] As I feel more safe delving into frameworks it worries me

About Service Workers

About Service Workers

* Support an offline experience YEAH! * Do tasks in the background * Push notifications * Background sync e.g. progressive web apps (PWA [https://developer.mozilla.org/en-US/Apps/Progressive]), caching, indexedDB Eh? What about memory usage and bloated apps? The browser handles memory management and heavy service workers. A bit of history

How to host ghost 1.x with multiple blog instances

How to host ghost 1.x with multiple blog instances

Requirements: * Install ghost without ghost cli (it's not needed for this) * We use sqlite3 (but you can easily change this for mysql if needed * Apache2 with * mod_macro installed & enabled The steps are summarized as the following: 1. Install and enable mod_macro 2. Write one apache config for all

Collect recurring payments with Subscribie