Clivern - Part 3

Installing Nginx, MySQL, PHP on Ubuntu 22.04

By clivern On January 16, 2023 In Linux, Nginx, PHP

In this guide you will learn how to install Nginx, MySQL 8.0 and PHP 8.1 and PHP-FPM on Ubuntu 22.04.

Leader Election with Consul and Golang

By clivern On June 16, 2019 In Consul, Golang, Microservices

Leader election is the process of designating a single node as the organizer of some task distributed among several nodes. The leader will be responsible for managing the others and coordinate the actions performed by other nodes. If for any reason the leader fails, other nodes will elect another leader and so on. This can help to ensure that nodes don’t conflict with each other.

Introducing Hippo: A Golang Microservices Toolkit

By clivern On June 4, 2019 In Golang, Microservices, Scaling

It all began when I started to build some web services in golang. and everytime I have to create the whole architecture from scratch than solving whatever problem I was trying to solve.

Leveraging Consul’s DNS Interface

By clivern On May 8, 2019 In Scaling, Service Discovery

Consul DNS interface allows applications to make use of service discovery without any integration with Consul. For example, instead of making HTTP API requests to Consul, a host can use the DNS server directly via name lookups like clivern.service.us.consul.

Django Custom Month and Year Lookup

By clivern On April 27, 2019 In Django, MySQL, Python

Everyone want to keep Django timezone support but sometimes you need to keep your SQL queries a way from timezone conversion especially if by default your application timezone is UTC. Django will do something like this CONVERT_TZ(`app_incident`.`datetime`, 'UTC', 'UTC')) and it will return Null if the timezone table is empty. Even that conversion is not even needed.

Django Custom Lookups

By clivern On April 24, 2019 In Django, MySQL, Python

By default Django has a date lookup that support timezones. It actually will wrap your field with CONVERT_TZ in case USE_TZ is True. This is pretty awesome unless you have timezones table empty because this call will return Null.

Building a Service Mesh with Consul

By clivern On April 3, 2019 In Scaling, Service Discovery

How To Create Custom Validation Rules With Laravel

Load balancers aren’t efficient in a dynamic environment where we scale services up or down. Consul uses a registry to keep a real-time list of services, their location, and their health. Services query the registry to discover the location of upstream services and then connect directly. This allows services to scale up/down and gracefully handle failure