{"id":183,"date":"2024-07-21T11:53:13","date_gmt":"2024-07-21T11:53:13","guid":{"rendered":"https:\/\/dockerpros.com\/?p=183"},"modified":"2024-07-21T11:53:13","modified_gmt":"2024-07-21T11:53:13","slug":"what-is-an-external-network-in-docker","status":"publish","type":"post","link":"https:\/\/dockerpros.com\/fr\/installation-and-configuration\/what-is-an-external-network-in-docker\/","title":{"rendered":"Qu'est-ce qu'un r\u00e9seau externe dans Docker ?"},"content":{"rendered":"

Comprendre les r\u00e9seaux externes dans Docker<\/h2>\n

Docker a fondamentalement r\u00e9volutionn\u00e9 la mani\u00e8re dont les d\u00e9veloppeurs construisent, exp\u00e9dient et 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> applications. L'une de ses fonctionnalit\u00e9s principales est la mise en r\u00e9seau, qui permet aux conteneurs de communiquer entre eux et avec le monde ext\u00e9rieur. Parmi les diff\u00e9rentes options de mise en r\u00e9seau offertes par Docker, les r\u00e9seaux externes jouent un r\u00f4le essentiel dans la facilitation de la communication inter-conteneurs entre diff\u00e9rents projets et applications. Dans cet article, nous explorerons ce que sont les r\u00e9seaux externes, comment ils diff\u00e8rent des autres r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> Les types, et leurs applications pratiques dans les environnements Docker.<\/p>\n

Que sont les r\u00e9seaux Docker ?<\/h3>\n

Before diving into external networks, it\u2019s imperative to understand the concept of Docker networks. Docker uses a virtual r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> interface to allow containers to communicate with each other and with the host system. There are several types of networks that Docker supports:<\/p>\n

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  1. \n

    Pont r\u00e9seau<\/a><\/span>Bridge Network facilitates interoperability between various blockchain ecosystems, enabling seamless asset transfers and communication. Its architecture enhances scalability and user accessibility across networks. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/strong>: This is the default r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> type for containers. It allows containers to communicate with each other on the same host.<\/p>\n<\/li>\n

  2. \n

    Host Network<\/a><\/span>Un r\u00e9seau h\u00f4te d\u00e9signe l'infrastructure sous-jacente qui prend en charge la communication entre les appareils dans un environnement informatique. Il englobe les protocoles, le mat\u00e9riel et les logiciels permettant l'\u00e9change de donn\u00e9es. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/strong>: In this mode, containers share the host\u2019s r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> pile<\/a><\/span>Une pile est une structure de donn\u00e9es qui fonctionne selon le principe du dernier entr\u00e9, premier sorti (LIFO), o\u00f9 l'\u00e9l\u00e9ment le plus r\u00e9cemment ajout\u00e9 est le premier \u00e0 \u00eatre retir\u00e9. Elle prend en charge deux op\u00e9rations principales : empiler et d\u00e9piler. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. Cela permet d'am\u00e9liorer les performances, mais peut cr\u00e9er des probl\u00e8mes de s\u00e9curit\u00e9.<\/p>\n<\/li>\n

  3. \n

    R\u00e9seau superpos\u00e9<\/a><\/span>Un r\u00e9seau superposition est un r\u00e9seau virtuel construit par-dessus un r\u00e9seau physique existant. Il permet une communication et un partage de ressources efficaces, am\u00e9liorant l'\u00e9volutivit\u00e9 et la flexibilit\u00e9 tout en masquant la complexit\u00e9 de l'infrastructure sous-jacente. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/strong>Ce type permet aux conteneurs situ\u00e9s sur diff\u00e9rents h\u00f4tes de communiquer entre eux, facilitant ainsi le d\u00e9ploiement multi-h\u00f4te. conteneur<\/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> applications typically used in Docker Swarm<\/a><\/span>Docker Swarm est un outil d'orchestration de conteneurs qui permet de g\u00e9rer un cluster de moteurs Docker. Il simplifie la mise \u00e0 l'\u00e9chelle et le d\u00e9ploiement, en assurant haute disponibilit\u00e9 et \u00e9quilibrage de charge entre les services. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> and Kubernetes<\/a><\/span>Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications, enhancing resource efficiency and resilience. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n<\/li>\n

  4. \n

    Macvlan R\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/strong>: This type allows you to assign a MAC address to a conteneur<\/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 r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n<\/li>\n<\/ol>\n

    What Is an External Network?<\/h3>\n

    An externe r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/strong> in Docker is a r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> that is created outside of Docker’s management system, meaning it isn\u2019t created by Docker Compose<\/a><\/span>Docker Compose is a tool for defining and running multi-container Docker applications using a YAML file. It simplifies deployment, configuration, and orchestration of services, enhancing development efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> or Docker Swarm<\/a><\/span>Docker Swarm est un outil d'orchestration de conteneurs qui permet de g\u00e9rer un cluster de moteurs Docker. Il simplifie la mise \u00e0 l'\u00e9chelle et le d\u00e9ploiement, en assurant haute disponibilit\u00e9 et \u00e9quilibrage de charge entre les services. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> services. Instead, it\u2019s a standalone r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> that can be shared among multiple Docker projects and services. External networks enable better management of complex applications that may require inter-service communication across different containerized environments.<\/p>\n

    Caract\u00e9ristiques principales des r\u00e9seaux externes :<\/h4>\n
      \n
    1. \n

      Acc\u00e8s partag\u00e9<\/strong>: Multiple Docker Compose<\/a><\/span>Docker Compose is a tool for defining and running multi-container Docker applications using a YAML file. It simplifies deployment, configuration, and orchestration of services, enhancing development efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> files or services can connect to the same external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, allowing for seamless communication between containers that are managed by different applications.<\/p>\n<\/li>\n

    2. \n

      Cr\u00e9ation manuelle<\/strong>: External networks must be created beforehand using the docker network create<\/a><\/span>La commande `docker network create` permet aux utilisateurs de cr\u00e9er des r\u00e9seaux personnalis\u00e9s pour les applications conteneuris\u00e9es. Cela facilite une communication et une isolation efficaces entre les conteneurs, am\u00e9liorant ainsi les performances et la s\u00e9curit\u00e9 des applications. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/code> command, rather than being automatically created by Docker Compose<\/a><\/span>Docker Compose is a tool for defining and running multi-container Docker applications using a YAML file. It simplifies deployment, configuration, and orchestration of services, enhancing development efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n<\/li>\n

    3. \n

      Persistence<\/strong>: Une fois cr\u00e9\u00e9es, les r\u00e9seaux externes persistent jusqu'\u00e0 ce qu'ils soient explicitement supprim\u00e9s, permettant une communication inter-services coh\u00e9rente \u00e0 travers diff\u00e9rents d\u00e9ploiements.<\/p>\n<\/li>\n<\/ol>\n

      Cr\u00e9ation d'un r\u00e9seau externe<\/h3>\n

      To create an external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, you can use the Docker CLI. Here\u2019s a step-by-step guide:<\/p>\n

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      1. \n

        Ouvre ton terminal.<\/strong>.<\/p>\n<\/li>\n

      2. \n

        Courir<\/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<\/strong>:<\/p>\n

        docker network create<\/a><\/span>La commande `docker network create` permet aux utilisateurs de cr\u00e9er des r\u00e9seaux personnalis\u00e9s pour les applications conteneuris\u00e9es. Cela facilite une communication et une isolation efficaces entre les conteneurs, am\u00e9liorant ainsi les performances et la s\u00e9curit\u00e9 des applications. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> mon_r\u00e9seau_externe<\/code><\/pre>\n<\/li>\n
      3. \n
        V\u00e9rifier la cr\u00e9ation<\/strong>:<\/p>\n
        docker network<\/a><\/span>Docker Network enables seamless communication between containers in isolated environments. It supports various drivers, such as bridge and overlay, allowing flexible networking configurations tailored to application needs. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> ls<\/code><\/pre>\n
        Vous devriez voir mon_r\u00e9seau_externe<\/code> figurant parmi les r\u00e9seaux disponibles.<\/p>\n<\/li>\n<\/ol>\n
        Utilisation des r\u00e9seaux externes dans Docker Compose<\/h3>\n
        Once you have created an external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, you can reference it in your fichier Docker Compose<\/a><\/span>Un fichier Docker Compose est un fichier de configuration YAML qui d\u00e9finit les services, les r\u00e9seaux et les volumes pour les applications Docker multi-conteneurs. Il simplifie le d\u00e9ploiement et la gestion, am\u00e9liorant ainsi l'efficacit\u00e9. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. Cela est particuli\u00e8rement utile pour les architectures microservices o\u00f9 diff\u00e9rents services peuvent avoir besoin de communiquer entre applications distinctes.<\/p>\n
        Here\u2019s a sample docker-compose.yml<\/code> file showcasing how to use an external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>:<\/p>\n
        version: '3'\n\nservices:\n  web:\n    image<\/a><\/span>Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>: nginx\n    networks:\n      - my_external_network\n\n  app:\n    image<\/a><\/span>Une image est une repr\u00e9sentation visuelle d'un objet ou d'une sc\u00e8ne, g\u00e9n\u00e9ralement compos\u00e9e de pixels dans les formats num\u00e9riques. Elle peut transmettre des informations, susciter des \u00e9motions et faciliter la communication \u00e0 travers diff\u00e9rents m\u00e9dias. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>: myapp\n    networks:\n      - my_external_network\n\nnetworks:\n  my_external_network:\n    external: true<\/code><\/pre>\n
        In this example, both the web<\/code> and app<\/code> services are connected to the mon_r\u00e9seau_externe<\/code> externe r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. This setup allows the web<\/code> service<\/a><\/span>Le service fait r\u00e9f\u00e9rence \u00e0 l'acte de fournir une assistance ou un soutien pour r\u00e9pondre \u00e0 des besoins ou des exigences sp\u00e9cifiques. Dans divers domaines, il englobe le service client, le support technique et les services professionnels, en mettant l'accent sur l'efficacit\u00e9 et la satisfaction de l'utilisateur. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> (Nginx en cours d'ex\u00e9cution) et le app<\/code> service<\/a><\/span>Le service fait r\u00e9f\u00e9rence \u00e0 l'acte de fournir une assistance ou un soutien pour r\u00e9pondre \u00e0 des besoins ou des exigences sp\u00e9cifiques. Dans divers domaines, il englobe le service client, le support technique et les services professionnels, en mettant l'accent sur l'efficacit\u00e9 et la satisfaction de l'utilisateur. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> (your application) to communicate with each other, even if they are part of different Docker Compose<\/a><\/span>Docker Compose is a tool for defining and running multi-container Docker applications using a YAML file. It simplifies deployment, configuration, and orchestration of services, enhancing development efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> projects as long as they reference the same external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n
        Benefits of Using External Networks<\/h3>\n
        L'utilisation de r\u00e9seaux externes pr\u00e9sente plusieurs avantages pour les applications conteneuris\u00e9es :<\/p>\n
          \n
        1. \n
          S\u00e9paration des pr\u00e9occupations<\/strong>En utilisant des r\u00e9seaux externes, vous maintenez une s\u00e9paration claire entre les diff\u00e9rentes applications et leurs r\u00e9seaux. Cela facilite la gestion et la compr\u00e9hension du flux de donn\u00e9es au sein de votre architecture.<\/p>\n<\/li>\n
        2. \n
          \u00c9volutivit\u00e9<\/strong>Les r\u00e9seaux externes facilitent la mise \u00e0 l'\u00e9chelle des applications. Vous pouvez add<\/a><\/span>La commande ADD dans Docker est une instruction utilis\u00e9e dans les Dockerfiles pour copier des fichiers et des r\u00e9pertoires depuis une machine h\u00f4te vers une image Docker pendant le processus de construction. Elle facilite non seulement le transfert de fichiers locaux, mais offre \u00e9galement des fonctionnalit\u00e9s suppl\u00e9mentaires, telles que l'extraction automatique de fichiers compress\u00e9s et le t\u00e9l\u00e9chargement de fichiers distants via HTTP ou HTTPS. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> more containers or services to the same external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> without having to reconfigure the entire architecture.<\/p>\n<\/li>\n
        3. \n
          Interoperability<\/strong>: Different teams can work on their services independently but still communicate through a shared external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. This provides flexibility and promotes collaboration without merging codebases.<\/p>\n<\/li>\n
        4. \n
          Mise en r\u00e9seau simplifi\u00e9e<\/strong>: External networks simplify the networking setup for complex applications. Instead of managing multiple internal networks, developers can rely on a single external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> to facilitate communication.<\/p>\n<\/li>\n<\/ol>\n
          Gestion des r\u00e9seaux externes\n\nLes r\u00e9seaux externes sont des r\u00e9seaux qui ne sont pas directement g\u00e9r\u00e9s par votre organisation. Ils peuvent inclure des r\u00e9seaux de partenaires, des r\u00e9seaux de fournisseurs, des r\u00e9seaux de clients, etc. La gestion de ces r\u00e9seaux est essentielle pour assurer la s\u00e9curit\u00e9 et l'efficacit\u00e9 de vos op\u00e9rations.\n\nPour g\u00e9rer efficacement les r\u00e9seaux externes, il est important de mettre en place des politiques et des proc\u00e9dures claires. Ces politiques doivent d\u00e9finir les r\u00e8gles d'acc\u00e8s, les niveaux de s\u00e9curit\u00e9 requis, et les responsabilit\u00e9s de chaque partie impliqu\u00e9e. Il est \u00e9galement important de surveiller r\u00e9guli\u00e8rement l'activit\u00e9 sur ces r\u00e9seaux pour d\u00e9tecter toute activit\u00e9 suspecte ou non autoris\u00e9e.\n\nEn outre, il est recommand\u00e9 d'utiliser des outils de gestion de r\u00e9seau pour automatiser certaines t\u00e2ches et am\u00e9liorer l'efficacit\u00e9. Ces outils peuvent inclure des syst\u00e8mes de surveillance, des outils de gestion des acc\u00e8s, et des solutions de s\u00e9curit\u00e9 r\u00e9seau.\n\nEnfin, il est crucial de former votre personnel \u00e0 la gestion des r\u00e9seaux externes. Cela peut inclure des formations sur les politiques et proc\u00e9dures, ainsi que sur l'utilisation des outils de gestion de r\u00e9seau. En formant votre personnel, vous pouvez vous assurer qu'ils sont en mesure de g\u00e9rer efficacement les r\u00e9seaux externes et de r\u00e9pondre rapidement \u00e0 toute situation d'urgence.\n\nEn r\u00e9sum\u00e9, la gestion des r\u00e9seaux externes est un aspect important de la gestion de votre organisation. En mettant en place des politiques claires, en utilisant des outils de gestion de r\u00e9seau, et en formant votre personnel, vous pouvez assurer la s\u00e9curit\u00e9 et l'efficacit\u00e9 de vos op\u00e9rations.<\/h3>\n
          G\u00e9rer efficacement les r\u00e9seaux externes est crucial pour maintenir des performances et une s\u00e9curit\u00e9 optimales dans votre environnement Docker. Voici quelques commandes et pratiques cl\u00e9s pour vous aider \u00e0 g\u00e9rer les r\u00e9seaux externes :<\/p>\n
          Viewing Network Details<\/h4>\n
          To inspect the details of an external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, use the following command:<\/p>\n
          docker network inspect<\/a><\/span>Docker Network Inspect fournit des informations d\u00e9taill\u00e9es sur la configuration d'un r\u00e9seau Docker et les conteneurs qui y sont connect\u00e9s. Cette commande est essentielle pour r\u00e9soudre les probl\u00e8mes r\u00e9seau et optimiser la communication entre conteneurs. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> mon_r\u00e9seau_externe<\/code><\/pre>\n
          This command provides detailed information about the r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, including connected containers, IP addresses, and configuration options.<\/p>\n
          Suppression d'un r\u00e9seau externe<\/h4>\n
          To remove an external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, you can use:<\/p>\n
          docker r\u00e9seau supprimer<\/a><\/span>Docker Network RM est une commande utilis\u00e9e pour supprimer un ou plusieurs r\u00e9seaux d\u00e9finis par l'utilisateur dans Docker. Cela permet de g\u00e9rer efficacement les configurations r\u00e9seau, garantissant un environnement propre pour les op\u00e9rations des conteneurs. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> mon_r\u00e9seau_externe<\/code><\/pre>\n
          Keep in mind that this will only succeed if no containers are currently connected to the r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>.<\/p>\n
          Use Cases for External Networks<\/h3>\n
          Les r\u00e9seaux externes sont particuli\u00e8rement b\u00e9n\u00e9fiques dans les sc\u00e9narios impliquant des microservices, des applications cloud-native et des d\u00e9ploiements multi-environnements. Voici quelques cas d'utilisation :<\/p>\n
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          1. \n
            Microservices Architecture<\/strong>: In a microservices setup, each service<\/a><\/span>Le service fait r\u00e9f\u00e9rence \u00e0 l'acte de fournir une assistance ou un soutien pour r\u00e9pondre \u00e0 des besoins ou des exigences sp\u00e9cifiques. Dans divers domaines, il englobe le service client, le support technique et les services professionnels, en mettant l'accent sur l'efficacit\u00e9 et la satisfaction de l'utilisateur. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> can be a separate projet Docker Compose<\/a><\/span>Docker Compose is a tool for defining and running multi-container Docker applications. Using a simple YAML file, developers can configure services, networks, and volumes, streamlining container management. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> that connects to the same external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. This allows them to communicate with each other efficiently.<\/p>\n<\/li>\n
          2. \n
            Development vs. Production<\/strong>: You might want to 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> a development conteneur<\/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 a production conteneur<\/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> that share the same database or API<\/a><\/span>Une API, ou Interface de programmation, permet aux applications logicielles de communiquer et d'interagir entre elles. Elle d\u00e9finit des protocoles et des outils pour construire des logiciels et faciliter l'int\u00e9gration. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> service<\/a><\/span>Le service fait r\u00e9f\u00e9rence \u00e0 l'acte de fournir une assistance ou un soutien pour r\u00e9pondre \u00e0 des besoins ou des exigences sp\u00e9cifiques. Dans divers domaines, il englobe le service client, le support technique et les services professionnels, en mettant l'accent sur l'efficacit\u00e9 et la satisfaction de l'utilisateur. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>. By using an external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span>, both environments can easily access shared resources.<\/p>\n<\/li>\n
          3. \n
            Services tiers<\/strong>: When integrating with third-party services or APIs, an external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> can facilitate communication between your containers and external services without exposing them to the public internet.<\/p>\n<\/li>\n
          4. \n
            Applications h\u00e9rit\u00e9es<\/strong>Si vous avez des syst\u00e8mes h\u00e9rit\u00e9s qui doivent coexister avec des applications conteneuris\u00e9es, les r\u00e9seaux externes permettent \u00e0 ces syst\u00e8mes d'interagir sans avoir besoin de les migrer enti\u00e8rement vers Docker.<\/p>\n<\/li>\n<\/ol>\n
            Limitations and Considerations<\/h3>\n
            Bien que les r\u00e9seaux externes offrent de nombreux avantages, il existe certaines limites et \u00e9l\u00e9ments \u00e0 prendre en compte :<\/p>\n
              \n
            1. \n
              S\u00e9curit\u00e9<\/strong>: Exposing services to an external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> can increase security risks. Ensure that you have adequate security measures in place, such as using firewalls or implementing strict access controls.<\/p>\n<\/li>\n
            2. \n
              Complexity<\/strong>: Managing multiple external networks can introduce complexity. Regular monitoring and documentation are essential to keep track of r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> configurations and their interdependencies.<\/p>\n<\/li>\n
            3. \n
              Performance<\/strong>: Communication over external networks may add<\/a><\/span>La commande ADD dans Docker est une instruction utilis\u00e9e dans les Dockerfiles pour copier des fichiers et des r\u00e9pertoires depuis une machine h\u00f4te vers une image Docker pendant le processus de construction. Elle facilite non seulement le transfert de fichiers locaux, mais offre \u00e9galement des fonctionnalit\u00e9s suppl\u00e9mentaires, telles que l'extraction automatique de fichiers compress\u00e9s et le t\u00e9l\u00e9chargement de fichiers distants via HTTP ou HTTPS. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> latency compared to internal networks. Benchmarking and performance testing can help you assess if the external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> meets your needs.<\/p>\n<\/li>\n
            4. \n
              R\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> Scoping<\/strong>: Ensure that the external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> configuration aligns with your organization’s networking policies, especially if your containers need to communicate with non-Dockerized services.<\/p>\n<\/li>\n<\/ol>\n
              Conclusion<\/h3>\n
              External networks in Docker play a crucial role in facilitating communication between containers across different applications and services. By allowing for shared access, manual creation, and persistence, external networks enable developers to build flexible, scalable, and collaborative containerized environments.<\/p>\n
              As you embark on building more complex applications with Docker, understanding and leveraging external networks will empower you to create robust architectures that are well-suited for modern development practices. Whether you are working with microservices, integrating legacy systems, or developing cloud-native applications, external networks provide the tools you need to manage inter-service communication effectively. <\/p>\n
              En adoptant les meilleures pratiques pour la gestion des r\u00e9seaux externes, vous pouvez am\u00e9liorer les performances, la s\u00e9curit\u00e9 et l'\u00e9volutivit\u00e9 de vos applications conteneuris\u00e9es, en vous assurant qu'elles r\u00e9pondent aux exigences du paysage de d\u00e9veloppement dynamique d'aujourd'hui.<\/p>","protected":false},"excerpt":{"rendered":"
              An external r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> in Docker is a r\u00e9seau<\/a><\/span>A network, in computing, refers to a collection of interconnected devices that communicate and share resources. It enables data exchange, facilitates collaboration, and enhances operational efficiency. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> that is created outside the scope of a specific fichier Docker Compose<\/a><\/span>Un fichier Docker Compose est un fichier de configuration YAML qui d\u00e9finit les services, les r\u00e9seaux et les volumes pour les applications Docker multi-conteneurs. Il simplifie le d\u00e9ploiement et la gestion, am\u00e9liorant ainsi l'efficacit\u00e9. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> ou une application Docker, permettant \u00e0 plusieurs conteneurs de diff\u00e9rentes applications de communiquer de mani\u00e8re transparente.<\/p>","protected":false},"author":1,"featured_media":370,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-183","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-installation-and-configuration"],"yoast_head":"\nWhat is an external network in Docker? - Dockerpros<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dockerpros.com\/fr\/installation-and-configuration\/what-is-an-external-network-in-docker\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is an external network in Docker? 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