{"id":175,"date":"2024-07-21T11:54:04","date_gmt":"2024-07-21T11:54:04","guid":{"rendered":"https:\/\/dockerpros.com\/?p=175"},"modified":"2024-07-21T11:54:04","modified_gmt":"2024-07-21T11:54:04","slug":"como-configuro-una-red-en-docker-swarm","status":"publish","type":"post","link":"https:\/\/dockerpros.com\/es\/installation-and-configuration\/how-do-i-configure-a-network-in-docker-swarm\/","title":{"rendered":"How do I configure a network in Docker Swarm?"},"content":{"rendered":"

How to Configure a Network in Docker Swarm<\/h1>\n

Docker Swarm<\/a><\/span>Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> is a contenedor<\/a><\/span>Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> orchestration<\/a><\/span>Orchestration refers to the automated management and coordination of complex systems and services. It optimizes processes by integrating various components, ensuring efficient operation and resource utilization. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> una herramienta que permite gestionar un cl\u00faster de contenedores Docker, proporcionando funcionalidades tales como load balancing<\/a><\/span>El balanceo de carga es una t\u00e9cnica fundamental de gesti\u00f3n de redes que distribuye el tr\u00e1fico entrante entre m\u00faltiples servidores. Esto garantiza una utilizaci\u00f3n \u00f3ptima de los recursos, minimiza el tiempo de respuesta y mejora la disponibilidad de las aplicaciones. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> descubrimiento, y escalar<\/a><\/span>Scaling refers to the process of adjusting the capacity of a system to accommodate varying loads. It can be achieved through vertical scaling, which enhances existing resources, or horizontal scaling, which adds additional resources. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. One of the critical aspects of deploying applications in a Swarm environment is understanding how to configure networking effectively. In this article, we will explore the various networking options available in Docker Swarm<\/a><\/span>Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, how to create and manage networks, and best practices for ensuring secure and efficient communication between services.<\/p>\n

Understanding Docker Networking Basics<\/h2>\n

Before diving into Docker Swarm<\/a><\/span>Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> networking, it\u2019s essential to grasp the fundamental concepts of Docker networking. Docker provides several types of networks:<\/p>\n

    \n
  1. \n

    Bridge Network<\/a><\/span>Bridge Network facilita la interoperabilidad entre varios ecosistemas de blockchain, permitiendo transferencias de activos y comunicaci\u00f3n sin interrupciones. Su arquitectura optimiza la escalabilidad y la accesibilidad para los usuarios en todas las redes. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>:<\/strong> The default red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> driver for containers when no other red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> is specified. Containers can communicate with each other via this red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n<\/li>\n

  2. \n

    Red de acogida<\/a><\/span>A host network refers to the underlying infrastructure that supports communication between devices in a computing environment. It encompasses protocols, hardware, and software facilitating data exchange. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>:<\/strong> Removes red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> isolation between the contenedor<\/a><\/span>Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> and the Docker host, allowing the contenedor<\/a><\/span>Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> to use the host\u2019s networking pila<\/a><\/span>A stack is a data structure that operates on a Last In, First Out (LIFO) principle, where the most recently added element is the first to be removed. It supports two primary operations: push and pop. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n<\/li>\n

  3. \n

    Red Superpuesta<\/a><\/span>Una red superpuesta es una red virtual construida sobre una red f\u00edsica existente. Permite una comunicaci\u00f3n y compartici\u00f3n de recursos eficientes, mejorando la escalabilidad y flexibilidad mientras abstrae las complejidades de la infraestructura subyacente. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>:<\/strong> Allows containers running on different Docker hosts (in a Swarm) to communicate with each other as if they were on the same red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n<\/li>\n

  4. \n

    Macvlan Red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>:<\/strong> Assigns a MAC address to a contenedor<\/a><\/span>Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, making it appear as a physical device on the red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. This is commonly used for applications that require direct access to the physical red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n<\/li>\n

  5. \n

    Ninguno Red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>:<\/strong> Disables all networking for a contenedor<\/a><\/span>Containers are lightweight, portable units that encapsulate software and its dependencies, enabling consistent execution across different environments. They leverage OS-level virtualization for efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n<\/li>\n<\/ol>\n

    In a Docker Swarm<\/a><\/span>Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, the Overlay network<\/a><\/span>Una red superpuesta es una red virtual construida sobre una red f\u00edsica existente. Permite una comunicaci\u00f3n y compartici\u00f3n de recursos eficientes, mejorando la escalabilidad y flexibilidad mientras abstrae las complejidades de la infraestructura subyacente. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> is the most commonly used because it facilitates communication between services across different nodes in the cluster.<\/p>\n

    Setting Up Docker Swarm<\/h2>\n

    If you haven’t already set up a Docker Swarm<\/a><\/span>Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, the first step is to initialize a Swarm cluster. You can do this by running the following command on the manager node<\/a><\/span>Un Nodo Gerente es un componente cr\u00edtico en los sistemas distribuidos, responsable de orquestar tareas, gestionar recursos y garantizar la tolerancia a fallos. Mantiene el estado del cl\u00faster y coordina la comunicaci\u00f3n entre los nodos trabajadores. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>:<\/p>\n

    docker swarm init<\/a><\/span>Docker Swarm Init es un comando utilizado para inicializar un nuevo cl\u00faster Swarm. Configura el host Docker actual como un nodo manager, habilitando la orquestaci\u00f3n de servicios a trav\u00e9s de m\u00faltiples hosts. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/code><\/pre>\n
    Este comando generar\u00e1 un token de uni\u00f3n que los nodos de trabajo pueden usar para unirse al Swarm. A a\u00f1adir<\/a><\/span>La instrucci\u00f3n ADD en Docker es un comando utilizado en Dockerfiles para copiar archivos y directorios desde una m\u00e1quina anfitriona hacia una imagen de Docker durante el proceso de construcci\u00f3n. No solo facilita la transferencia de archivos locales, sino que tambi\u00e9n proporciona funcionalidades adicionales, como extraer autom\u00e1ticamente archivos comprimidos y obtener archivos remotos a trav\u00e9s de HTTP o HTTPS. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> a nodo de trabajo<\/a><\/span>A worker node is a computational unit within a distributed system, responsible for executing tasks assigned by a master node. It processes data, performs computations, and maintains system efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, run<\/a><\/span>\"RUN\" refers to a command in various programming languages and operating systems to execute a specified program or script. It initiates processes, providing a controlled environment for task execution. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> El siguiente comando en el comando deseado. nodo<\/a><\/span>Node, o Node.js, es un entorno de ejecuci\u00f3n de JavaScript basado en el motor V8 de Chrome, que permite la programaci\u00f3n del lado del servidor. Permite a los desarrolladores construir aplicaciones de red escalables utilizando una arquitectura as\u00edncrona basada en eventos. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, reemplazando and<\/code> with the appropriate values:<\/p>\n
    docker swarm join<\/a><\/span>Docker Swarm Join enables nodes to connect and form a cluster within a Docker swarm. By utilizing the `docker swarm join` command with a token and manager IP, nodes can seamlessly integrate into the orchestration framework, enhancing scalability and resource management. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> --token  :2377<\/code><\/pre>\n
    After initializing the Swarm and adding nodes, you can verify the cluster\u2019s status with:<\/p>\n
    docker node<\/a><\/span>Docker Node is a key component in a Docker cluster, responsible for running containers and managing their lifecycle. It facilitates orchestration, scaling, and distribution of workloads across multiple environments. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> ls<\/code><\/pre>\n
    Este comando mostrar\u00e1 todos los nodos en el Swarm junto con su estado y disponibilidad.<\/p>\n
    Creando una Red Superpuesta<\/h2>\n
    To allow your services to communicate across multiple Docker hosts in a Swarm, you need to create an Overlay network<\/a><\/span>Una red superpuesta es una red virtual construida sobre una red f\u00edsica existente. Permite una comunicaci\u00f3n y compartici\u00f3n de recursos eficientes, mejorando la escalabilidad y flexibilidad mientras abstrae las complejidades de la infraestructura subyacente. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. This can be accomplished by executing the following command:<\/p>\n
    docker network create<\/a><\/span>The `docker network create` command enables users to establish custom networks for containerized applications. This facilitates efficient communication and isolation between containers, enhancing application performance and security. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> --driver overlay mi_red_anidada<\/code><\/pre>\n
    You can verify that the red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> was created by listing the networks:<\/p>\n
    docker network<\/a><\/span>La red de Docker permite una comunicaci\u00f3n fluida entre contenedores en entornos aislados. Admite varios controladores, como bridge y overlay, lo que permite configuraciones de red flexibles adaptadas a las necesidades de las aplicaciones. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> ls<\/code><\/pre>\n
    This command will show all available networks, including the newly created Overlay network<\/a><\/span>Una red superpuesta es una red virtual construida sobre una red f\u00edsica existente. Permite una comunicaci\u00f3n y compartici\u00f3n de recursos eficientes, mejorando la escalabilidad y flexibilidad mientras abstrae las complejidades de la infraestructura subyacente. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n
    Deploying Services with Custom Networks<\/h2>\n
    Once the Overlay network<\/a><\/span>Una red superpuesta es una red virtual construida sobre una red f\u00edsica existente. Permite una comunicaci\u00f3n y compartici\u00f3n de recursos eficientes, mejorando la escalabilidad y flexibilidad mientras abstrae las complejidades de la infraestructura subyacente. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> is created, you can deploy services that will utilize this red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. Let\u2019s create a simple servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> that uses the newly created Overlay network<\/a><\/span>Una red superpuesta es una red virtual construida sobre una red f\u00edsica existente. Permite una comunicaci\u00f3n y compartici\u00f3n de recursos eficientes, mejorando la escalabilidad y flexibilidad mientras abstrae las complejidades de la infraestructura subyacente. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n
    Desplegando un servicio de ejemplo<\/h3>\n
    Con fines de demostraci\u00f3n, desplegaremos dos servicios: web<\/code> and db<\/code>. El web<\/code> servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> will communicate with the db<\/code> servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> through the Overlay network<\/a><\/span>Una red superpuesta es una red virtual construida sobre una red f\u00edsica existente. Permite una comunicaci\u00f3n y compartici\u00f3n de recursos eficientes, mejorando la escalabilidad y flexibilidad mientras abstrae las complejidades de la infraestructura subyacente. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n
    Crear un Docker Compose file<\/a><\/span>Un archivo Docker Compose es un archivo de configuraci\u00f3n YAML que define servicios, redes y vol\u00famenes para aplicaciones Docker de m\u00faltiples contenedores. Simplifica el despliegue y la gesti\u00f3n, mejorando la eficiencia. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> llamado docker-compose.yml<\/code>:<\/p>\n
    versi\u00f3n: '3.8'\n\nservicios:\n  web:\n    imagen<\/a><\/span>An image is a visual representation of an object or scene, typically composed of pixels in digital formats. It can convey information, evoke emotions, and facilitate communication across various media. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>: nginx\n    networks:\n      - my_overlay_network\n\n  db:\n    imagen<\/a><\/span>An image is a visual representation of an object or scene, typically composed of pixels in digital formats. It can convey information, evoke emotions, and facilitate communication across various media. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>: mysql:5.7\n    environment:\n      MYSQL_ROOT_PASSWORD: example\n    networks:\n      - my_overlay_network\n\nnetworks:\n  my_overlay_network:\n    external: true<\/code><\/pre>\n
    Para desplegar los servicios definidos en el docker-compose.yml<\/code> file, run<\/a><\/span>\"RUN\" refers to a command in various programming languages and operating systems to execute a specified program or script. It initiates processes, providing a controlled environment for task execution. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> the following command:<\/p>\n
    docker stack deploy<\/a><\/span>Docker Stack Deploy simplifica el despliegue de aplicaciones multi-contenedor utilizando Docker Swarm. Al definir servicios en un archivo YAML, los usuarios pueden gestionar cl\u00fasteres de manera eficiente, garantizando consistencia y escalabilidad. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> -c docker-compose.yml my_stack<\/code><\/pre>\n
    You can verify that the services are up and running and connected to the Overlay network<\/a><\/span>Una red superpuesta es una red virtual construida sobre una red f\u00edsica existente. Permite una comunicaci\u00f3n y compartici\u00f3n de recursos eficientes, mejorando la escalabilidad y flexibilidad mientras abstrae las complejidades de la infraestructura subyacente. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> con:<\/p>\n
    servicio de Docker<\/a><\/span>Docker Service is a key component of Docker Swarm, enabling the deployment and management of containerized applications across a cluster of machines. It automatically handles load balancing, scaling, and service discovery. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> ls<\/code><\/pre>\n
    And to inspect the red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>:<\/p>\n
    inspeccionar red<\/a><\/span>La inspecci\u00f3n de la red Docker proporciona informaci\u00f3n detallada sobre la configuraci\u00f3n de una red Docker y los contenedores conectados. Este comando es esencial para solucionar problemas de red y optimizar la comunicaci\u00f3n entre contenedores.\n\nLa sintaxis b\u00e1sica del comando es:\n\n```bash\ndocker network inspect [OPTIONS] NETWORK [NETWORK...]\n```\n\nOpciones comunes:\n\n- `--format` o `-f`: Formato de salida personalizado usando plantillas Go\n- `--verbose` o `-v`: Muestra informaci\u00f3n detallada adicional\n\nEjemplos de uso:\n\n1. Inspeccionar una red espec\u00edfica:\n\n```bash\ndocker network inspect my-network\n```\n\n2. Inspeccionar m\u00faltiples redes:\n\n```bash\ndocker network inspect network1 network2\n```\n\n3. Usar formato personalizado para mostrar solo informaci\u00f3n espec\u00edfica:\n\n```bash\ndocker network inspect -f '{{.Name}}: {{range .Containers}}{{.Name}} {{end}}' my-network\n```\n\n4. Mostrar informaci\u00f3n detallada:\n\n```bash\ndocker network inspect -v my-network\n```\n\nLa salida incluye informaci\u00f3n como:\n\n- Nombre y ID de la red\n- Controlador de red utilizado\n- Subred y Gateway\n- Contenedores conectados\n- Opciones de red\n- Etiquetas (labels)\n\nEste comando es particularmente \u00fatil para:\n\n- Verificar la configuraci\u00f3n de red de contenedores espec\u00edficos\n- Identificar problemas de conectividad\n- Comprender c\u00f3mo est\u00e1n conectados los contenedores en una red\n- Diagnosticar problemas de comunicaci\u00f3n entre contenedores\n- Planificar cambios en la topolog\u00eda de red\n\nAl combinar `docker network inspect` con otras herramientas de diagn\u00f3stico de Docker, puedes obtener una visi\u00f3n completa del estado de red de tus contenedores y resolver problemas de manera eficiente. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> mi_red_de_superposici\u00f3n<\/code><\/pre>\n
    This command will provide detailed information about the red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, including connected services and their IP addresses.<\/p>\n
    Service Discovery in Docker Swarm<\/h2>\n
    One of the powerful features of Docker Swarm<\/a><\/span>Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> is its built-in servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> discovery. When services are deployed in a red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> context, Docker Swarm<\/a><\/span>Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> automatically assigns DNS names to services, allowing them to communicate easily by name instead of IP address.<\/p>\n
    Por ejemplo, si quieres el web<\/code> servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> to connect to the db<\/code> servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, you can refer to it using its servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> name, like so:<\/p>\n
    # Example command to connect from web to db\ndocker exec -it  ping db<\/code><\/pre>\n
    Docker Swarm<\/a><\/span>Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> takes care of resolving db<\/code> a la direcci\u00f3n IP correcta del db<\/code> servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n
    Configuraci\u00f3n de Pol\u00edticas de Red<\/h2>\n
    Mientras Docker Swarm<\/a><\/span>Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> provides a robust networking framework, it\u2019s vital to implement red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> policies to control the flow of traffic between services. By default, all services within the same Overlay network<\/a><\/span>Una red superpuesta es una red virtual construida sobre una red f\u00edsica existente. Permite una comunicaci\u00f3n y compartici\u00f3n de recursos eficientes, mejorando la escalabilidad y flexibilidad mientras abstrae las complejidades de la infraestructura subyacente. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> can communicate with each other. However, you may want to restrict this behavior for security reasons.<\/p>\n
    Using an External Network<\/h3>\n
    You can create an external red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> to limit servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> access. For example, if you want the web<\/code> servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> to communicate with the db<\/code> servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> but not with other services, you can define a new external red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> and only attach the required services.<\/p>\n
      \n
    1. \n
      Create an External Red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/strong><\/p>\n
      Use the following command to create a new external red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>:<\/p>\n
      docker network create<\/a><\/span>The `docker network create` command enables users to establish custom networks for containerized applications. This facilitates efficient communication and isolation between containers, enhancing application performance and security. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> --driver overlay restricted_network<\/code><\/pre>\n<\/li>\n
    2. \n
      Update the Compose file<\/strong><\/p>\n
      Modify your docker-compose.yml<\/code> file to include the new external red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>:<\/p>\n
      version: '3.8'\n\nservices:\n web:\n   imagen<\/a><\/span>An image is a visual representation of an object or scene, typically composed of pixels in digital formats. It can convey information, evoke emotions, and facilitate communication across various media. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>: nginx\n   networks:\n     - restricted_network\n\n db:\n   imagen<\/a><\/span>An image is a visual representation of an object or scene, typically composed of pixels in digital formats. It can convey information, evoke emotions, and facilitate communication across various media. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>: mysql:5.7\n   environment:\n     MYSQL_ROOT_PASSWORD: example\n   networks:\n     - restricted_network\n\nnetworks:\n restricted_network:\n   external: true<\/code><\/pre>\n<\/li>\n
    3. \n
      Deploy the Updated Stack<\/a><\/span>A stack is a data structure that operates on a Last In, First Out (LIFO) principle, where the most recently added element is the first to be removed. It supports two primary operations: push and pop. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/strong><\/p>\n
      Redeploy the pila<\/a><\/span>A stack is a data structure that operates on a Last In, First Out (LIFO) principle, where the most recently added element is the first to be removed. It supports two primary operations: push and pop. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>:<\/p>\n
      docker stack deploy<\/a><\/span>Docker Stack Deploy simplifica el despliegue de aplicaciones multi-contenedor utilizando Docker Swarm. Al definir servicios en un archivo YAML, los usuarios pueden gestionar cl\u00fasteres de manera eficiente, garantizando consistencia y escalabilidad. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> -c docker-compose.yml my_stack<\/code><\/pre>\n<\/li>\n<\/ol>\n
      This configuration limits communication to only the services on the restricted_network<\/code>, enhancing security.<\/p>\n
      Scaling Services in Docker Swarm<\/h2>\n
      Docker Swarm<\/a><\/span>Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> enables you to scale services easily. When you scale a servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, Docker Swarm<\/a><\/span>Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> automatically balances the load between the running instances.<\/p>\n
      Para escalar la web<\/code> servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, you can use the following command:<\/p>\n
      docker service scale<\/a><\/span>Docker Service Scale allows users to adjust the number of service replicas in a swarm, ensuring optimal resource utilization and load balancing. This feature enhances application resilience and performance. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> mi_pila_web=5<\/code><\/pre>\n
      Este comando aumentar\u00e1 el n\u00famero de r\u00e9plicas de la web<\/code> servicio<\/a><\/span>Service refers to the act of providing assistance or support to fulfill specific needs or requirements. In various domains, it encompasses customer service, technical support, and professional services, emphasizing efficiency and user satisfaction. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> to 5. Docker Swarm<\/a><\/span>Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> will manage the networking and load balancing<\/a><\/span>El balanceo de carga es una t\u00e9cnica fundamental de gesti\u00f3n de redes que distribuye el tr\u00e1fico entrante entre m\u00faltiples servidores. Esto garantiza una utilizaci\u00f3n \u00f3ptima de los recursos, minimiza el tiempo de respuesta y mejora la disponibilidad de las aplicaciones. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> between these replicas within the defined Overlay network<\/a><\/span>Una red superpuesta es una red virtual construida sobre una red f\u00edsica existente. Permite una comunicaci\u00f3n y compartici\u00f3n de recursos eficientes, mejorando la escalabilidad y flexibilidad mientras abstrae las complejidades de la infraestructura subyacente. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n
      Monitoreo y soluci\u00f3n de problemas de red<\/h2>\n
      Monitoring and troubleshooting red<\/a><\/span>Una red, en inform\u00e1tica, es un conjunto de dispositivos interconectados que se comunican y comparten recursos. Permite el intercambio de datos, facilita la colaboraci\u00f3n y mejora la eficiencia operativa. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> issues in Docker Swarm<\/a><\/span>Docker Swarm es una herramienta de orquestaci\u00f3n de contenedores que permite la gesti\u00f3n de un cl\u00faster de motores Docker. Simplifica el escalado y la implementaci\u00f3n, garantizando alta disponibilidad y equilibrio de carga entre los servicios. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> can be challenging but is essential for maintaining a healthy deployment.<\/p>\n
      Use Docker\u2019s Built-in Tools<\/h3>\n
      Docker proporciona varios comandos para ayudarte a monitorear y solucionar problemas:<\/p>\n