Infraestructura como código
En este nuevo artículo me gustaría explicar que es infraestructura
como código (IAC), pero primero definamos a que nos referimos cuando
hablamos sobre infraestructura.
Cuando hablamos de infraestructura nos referimos en este caso, a un
servidor(vps) , dominios, redes privadas. etc.
Definición
El concepto de infraestructura como código no es más que la forma de
automatización de nuestra infraestructura a través de código .
Puede que tu seas un freelance o trabajes en una compañía, en la que
constantemente se hace deploy de nuevas aplicaciones.
Imagina tener que estar creando un servidor(vps), agregando las llaves
ssh, creando un record A, load balancers, continuar con la instalación y
configuración de nginx ,mysql docker, php, etc. Todo esto cada vez que
tengas que hacer deploy de una nueva aplicación.
Este es un proceso en el que muchas veces se le dedica tiempo
innecesario.
Es por ello que muchas veces, es mejor encontrar o crear una solución para la automatización en este tipo de procesos.
Para poder trabajar o usar infraestructura como código, lo único que
tenemos que hacer es bien, crear nuestro propio script, o bien usar
alguna herramienta de un tercero.
Usualmente cuando trabajamos con infraestructura como código,
independiente de la herramienta que usamos, siempre trabajamos con algún
lenguaje para la descripción de la configuración, pudiendo ser json,
yaml o algún nuevo lenguaje propio del software (domain-specific
language ). dentro del archivo de configuración, es donde definiremos
todo los componentes necesarios para crear nuestra infraestructura,
variando de sintaxis entre los diferentes softwares que podemos usar.
Cabe mencionar que, usualmente este tipo de software nos permite,
configurar a nuestra infraestructura, de una manera muy detallada,
dependiendo del tipo de proveedor que elijamos , por ejemplo, poder
configurar redes privadas, sistema operativo, podemos agregar dominios,
subdominios , agregar nuestra claves ssh, elegir el datacenter etc. Algo
interesante es que, podemos agregar y ejecutar scripts dentro del vps
durante la construcción, esto para poder configurar dentro todo el
software.
Aunque de igual forma, tenemos otro concepto llamado configuración
como código (CaC)
Qué es exactamente el mismo concepto, pero este está orientado a la
configuración del software dentro de la infraestructura(vps), por
ejemplo la instalación y configuración de nginx, docker, ruby etc. Sin
embargo muchas veces los mismos proveedores (IaC) tienen la misma
funcionalidad o su funcionalidad es intercambiable.
Ventajas y desventajas.
Dentro de las ventajas como hemos mencionado es el de elaborar una
plantilla que podemos re-utilizar múltiples veces, eliminando la
necesidad de realizar configuraciones manuales. Esta sería, la principal
y más importante característica de este tipo de software.
Ya que con ello podemos hacer la replicación de la misma configuración,
para diferentes entornos, para testing, QA, producción, desarrollo, etc.
Otra ventaja que podemos encontrar es que usualmente este tipo de
software es del tipo agnóstico lo que quiere decir que no importa, el
proveedor en donde estés configurando nuestra infraestructura, pudiendo
ser digital ocean, amazon web services, azure, e inclusive virtualbox.
Una desventaja que podemos encontrar es quizá el tiempo que le
dedicamos en configurar nuestro archivo de configuración, así mismo, el
tener que modificar el archivo si es que agregamos una nueva tecnología o
configuración a nuestra infraestructura.
Lista de software para IaC y CaC
Debajo vemos una lista con varios de los proveedores de infraestructura y configuración como código más sobresalientes.
Cada uno de ellos comparten cierta similitud, en cuanto a configuración.
- Terraform
- Chef
- Puppet
- Ansible
- SaltStack
Conclusión
La automatización es sin duda una de las mejores cosas que podemos
hacer para ahorrar tiempo y muchas veces recursos.
El uso de IaC, dentro de una empresa o de manera independiente trae
muchas ventajas a largo plazo. Este concepto de IaC no es para nada
nuevo, es un concepto de muchos años. De hecho muchos autores. hacen
referencia a que este concepto fue la base de la cual ha surgido toda
esta tendencia del devops.
Espero que este pequeño artículo te haya servido, o te haya incentivado a
investigar más sobre el tema, y tal vez a aprender una nueva
tecnología.
Comments: 89,449
Target is in trouble. And while it’s easy to get lost in the company’s recent (poor) handling of American culture war narratives that cast it as too “woke” or too willing to cave to online fascists, the root of Target’s problems runs deep.
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But its stock is in the gutter and sales have been falling for two years because of good ol’ business fundamentals. It overstocked. It lost the pulse of its customers. It went up against Amazon Prime with… actually, does anyone know what Target’s Amazon Prime competitor is called?
The brand we petite bourgeoisie once playfully referred to as Tar-zhay has lost its spark. The company reported a decline in sales for a third-straight quarter, part of a broader trend of falling or flat sales for two years. Employees have lost confidence in the company’s direction. And 2025 has been a particularly rough financially, as Black shoppers organized a boycott over Target’s decision to cave to right-wing pressure on diverse hiring goals.
Shares were down 10% Wednesday.
It’s not to say the new guy, Michael Fiddelke, is unqualified. He’s been at Target since he started as an intern more than 20 years ago, after all. But Wall Street is clearly concerned that Target’s leadership is underestimating the severity of the need for a significant change— just as President Donald Trump’s tariffs on imported goods threaten the entire retail industry.
Appointing a company lifer “does not necessarily remedy the problems of entrenched groupthink and the inward-looking mindset that have plagued Target for years,” Neil Saunders, an analyst at GlobalData Retail, said in a note to clients Wednesday.
Missing the mark
In its 2010s heyday, Target became a go-to for consumers who liked a bargain but didn’t necessarily like bargain-hunting. The shelves felt well-curated. You’d go to Target because it had one thing you needed and 12 things you didn’t know you needed. It was stocked with Millennial cringe long before Gen Z gave us the term Millennial cringe.
Target’s sales held strong through the pandemic as remote workers set up home offices and stocked up on essentials. Months of lockdown also benefited the store as people began refreshing their spaces because they didn’t really have much else to do and they were staring at the same walls all the time.
Dr. Jake Scott is on the front line of his second pandemic in five years and he is not getting much sleep.
Scott works full-time as an infectious disease physician at Stanford Health Care’s Tri-Valley hospital in Pleasanton, California. When he is done taking care of his patients and his two grade-school aged kids, he often stays up past midnight writing — furiously penning op-eds, collecting studies, leading evidence reviews and posting meaty threads on social media, most of them correcting the record on vaccines.
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Often, he’s reacting to the latest maneuvers by US Health and Human Services Secretary Robert F. Kennedy Jr.. A pinned post responding to one of Kennedy’s appearances on Fox News has been viewed almost 5 million times. Another post fact-checking Kennedy’s claims about potential harms from aluminum in vaccines had 1 million views in its first 48 hours. Scott’s followers on X have doubled since April.
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“A million views for this long-winded, very detailed, kind of nerdy breakdown of the science,” Scott said, marveling at the attention it got. “I think that’s saying something, you know? People want that information, and they deserve it,” said Scott who is 48.
The Covid-19 pandemic turned many infectious disease specialists and virologists into household names. Scott’s was not one of them, perhaps because he was too busy treating patients. He didn’t stay out of the public discourse completely, however. He was one of the first doctors to tell people that Omicron didn’t seem to be as severe an infection as earlier strains of the virus, although some virologists were skeptical at the time.
In President Donald Trump’s second administration, however, Scott is taking on what he sees as a second pandemic — misinformation and disinformation about vaccines. He knows false information can be as harmful as any virus.
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It’s already happening. The US Centers for Disease Control and Prevention recently reported data showing kindergarten vaccination rates continue to decline, as states make it easier to opt out of school vaccination requirements. Vaccine preventable diseases like measles and whooping cough are rising again, too.
Scott knows it could get much worse.
“In 2021, nearly every single patient I lost to Covid was unvaccinated by choice, and every colleague of mine has said the same thing.”
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