¿Por qué mi ordenador va lento al ejecutar Docker y Spring Boot si tengo suficiente memoria RAM?

El problema suele residir en que se están ejecutando múltiples capas de virtualización simultáneamente. Docker Desktop levanta una máquina virtual por debajo y, si a esto se suma que Spring Boot carga todo el contexto de la aplicación en cada arranque, los recursos se agotan rápidamente. Además, si no se optimizan las imágenes base o el orden de las capas en el Dockerfile, el sistema realiza "arranques en frío" constantes, reconstruyendo dependencias pesadas innecesariamente en lugar de utilizar la caché.

¿Qué es el "multi-stage build" en Docker y cómo ayuda al rendimiento?

Es una técnica que permite dividir el proceso de construcción de una imagen en varias etapas dentro de un mismo Dockerfile. En la primera etapa se utilizan todas las herramientas pesadas necesarias para compilar (como Node.js o Maven), y en la segunda etapa solo se copia el resultado final (el archivo ejecutable o los estáticos) a una imagen base mucho más ligera, como Alpine o Slim. Esto reduce drásticamente el tamaño de la imagen final, pasando de cientos de megabytes a apenas unos pocos, lo que agiliza la carga en memoria y el despliegue.

¿Cómo puedo evitar perder los datos de mi base de datos cada vez que reinicio un contenedor?

La solución es utilizar volúmenes de Docker o "bind mounts". Dado que los contenedores son efímeros, cualquier dato guardado en su interior desaparece al detenerlos. Al configurar un volumen en el archivo `compose.yaml`, se le indica a Docker que vincule una carpeta de tu disco duro físico con la carpeta de datos del contenedor. De esta forma, la información persiste en tu ordenador aunque el contenedor se borre o se actualice.

¿Qué herramientas ofrece Spring Boot para acelerar el ciclo de desarrollo local?

Spring Boot cuenta con las `Developer Tools` (DevTools), que permiten realizar reinicios en caliente. En lugar de reiniciar toda la aplicación y sus librerías de terceros, el sistema detecta cambios en tu código y solo recarga tus clases específicas mediante un cargador de clases separado, reduciendo el tiempo de espera de medio minuto a un par de segundos. Además, Spring Boot 3 ofrece integración nativa con Docker Compose, levantando y conectando automáticamente servicios como bases de datos al iniciar el proyecto desde el IDE.

¿Cómo puedo optimizar el consumo de recursos de mi IDE (IntelliJ o VS Code)?

Para mejorar el rendimiento, es fundamental auditar y desactivar los plugins o extensiones que no se utilicen, ya que cada uno consume hilos de procesamiento y RAM. En IntelliJ, se recomienda ajustar el archivo `idea.vmoptions` para asignar más memoria a la JVM del editor y excluir carpetas de indexación pesadas como `node_modules` o `target`. En Visual Studio Code, se pueden utilizar perfiles diferenciados por lenguaje para cargar solo las extensiones necesarias en cada proyecto, evitando saturar el proceso "Extension Host".

Optimiza tu PC: Guía para programar sin esperas ni ruidos

37 min

25 sources

Mar 5, 2026

Technology Productivity Career

Aprende a configurar Spring Boot, Docker y Kubernetes como una profesional para evitar que tu ordenador se ralentice. Descubre trucos de automatización y ajustes de IDE que salvarán tu RAM y acelerarán tu flujo de trabajo diario.

Best quote from Optimiza tu PC: Guía para programar sin esperas ni ruidos

Al final, se trata de que las máquinas trabajen para nosotros, y no al revés. El tiempo invertido en configurar bien las herramientas se recupera con creces porque, al reducir el ruido del entorno, dejas espacio para la verdadera creatividad del desarrollo.

This audio lesson was created by a BeFreed community member

Input question

Todos los trucos practicos detallados y no tan obvios de como hacer mu entorno laboral como software engineer con spring boot, docker desktop, kubernetes, angular y diferentes ides para dejar de perder el tiempo en inicializar todo, buscar etrores de arranque y que el ordenador vaya lentisimo.. que hacen los profesionales contado para una mujer que entiend el lenguaje sencillo y no le importa hacer scripts

Host voices

Nia

Eli

Learning style

Deep

Knowledge sources

Frequently Asked Questions

From Columbia University alumni built in San Francisco

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254

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@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

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"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

From Columbia University alumni built in San Francisco

BeFreed Brings Together A Global Community Of 200,000+ Curious Minds

See more on how BeFreed is discussed across the web

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

1.5K Ratings4.7

Start your learning journey, now

Optimiza tu PC: Guía para programar sin esperas ni ruidos

37 min

25 sources

Mar 5, 2026

Technology Productivity Career

Best quote from Optimiza tu PC: Guía para programar sin esperas ni ruidos

Al final, se trata de que las máquinas trabajen para nosotros, y no al revés. El tiempo invertido en configurar bien las herramientas se recupera con creces porque, al reducir el ruido del entorno, dejas espacio para la verdadera creatividad del desarrollo.

Key Takeaways

Domina tu entorno: Programación sin esperas

0:00

Nia: Oye, Eli, el otro día estaba hablando con una compañera que está desesperada. Me decía que entre que arranca el Docker Desktop, levanta el clúster de Kubernetes y abre el IntelliJ, se puede ir perfectamente a hacerse un café, volver, y el ordenador sigue ahí, bufando como si fuera a despegar. Es que al final pierdes media mañana solo en inicializar el entorno, ¿no?

0:22

Eli: Tal cual, es que si te descuidas, las herramientas se comen toda la RAM y la CPU antes de que hayas escrito una sola línea de código. Y fijate que lo curioso es que muchas veces la solución no es comprarse un ordenador más potente, sino saber qué tocar. Hay trucos, como usar los *Developer Tools* de Spring Boot para evitar esos "arranques en frío" que tardan una eternidad, o configurar bien el IDE para que no compile todo cada vez que mueves una coma.

0:48

Nia: Eso es justo lo que me interesa, porque ella me decía: "Sé que hay gente que lo hace todo con scripts y les va volando, pero yo no sé por dónde empezar". O sea, que si quieres dejar de pelearte con los errores de arranque y que el ventilador del PC deje de sonar como una turbina, hay que meterle mano a la configuración de fondo.

1:06

Eli: Mira, hay algo clave aquí: no hace falta ser una experta en sistemas, pero sí entender cómo conectar Spring Boot con Docker Compose o Kubernetes de forma eficiente, sin que se estorben entre ellos. Para entender esto hay que empezar por ver por qué tu PC sufre tanto con la configuración que viene por defecto.

Diagnóstico: Por qué tu PC sufre con Docker y Spring Boot

Cimientos: El arte de la imagen base y el multi-stage build

El puente perfecto: Docker Compose y la persistencia sin dolor

Kubernetes local: Sobrevivir a Minikube y K3s sin morir en el intento

IDEs a examen: IntelliJ vs VS Code en la lucha por la RAM

Automatización con scripts: Tu "botón del pánico" personalizado

Angular y el Frontend: No dejes que el navegador se coma tu RAM

Guía práctica: Pasos para tunear tu entorno hoy mismo

Reflexión final: Tu entorno como reflejo de tu código

This audio lesson was created by a BeFreed community member

Input question

Host voices

Nia

Eli

Learning style

Deep

Knowledge sources

Frequently Asked Questions

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From Columbia University alumni built in San Francisco

BeFreed Brings Together A Global Community Of 200,000+ Curious Minds

See more on how BeFreed is discussed across the web

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

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"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

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"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

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"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

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"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

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"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

From Columbia University alumni built in San Francisco

BeFreed Brings Together A Global Community Of 200,000+ Curious Minds

See more on how BeFreed is discussed across the web

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

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"Makes me feel smarter every time before going to work"

@Cashflowbubu

1.5K Ratings4.7

Start your learning journey, now