Clivern
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04 April 2020
Deployment is a higher-level resource meant for deploying applications and updating them declaratively, instead of doing it through a ReplicationController or a ReplicaSet, which are both considered lower-level concepts.
03 January 2020
Concurrency is a fundamental concept in Elixir, a functional programming language built on the Erlang virtual machine (BEAM). Elixir provides powerful tools and abstractions for managing concurrent processes, making it ideal for building scalable and fault-tolerant systems.
02 January 2020
In this guide you will learn how to install Nginx, MySQL 8.0 and PHP 8.1 and PHP-FPM on Ubuntu 22.04.
02 January 2020
Elasticsearch is an open-source, distributed search and analytics engine based on the Lucene search engine library. It is designed to handle large volumes of data in real-time and provides fast, efficient search and analysis capabilities. Elasticsearch is commonly used for log analysis, full-text search, and business analytics
16 June 2019
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.
24 May 2019
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.
08 May 2019
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.
27 April 2019
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.
23 April 2019
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.`
16 February 2019
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