{"id":586,"date":"2024-07-22T12:31:59","date_gmt":"2024-07-22T12:31:59","guid":{"rendered":"https:\/\/dockerpros.com\/?p=586"},"modified":"2024-07-22T12:31:59","modified_gmt":"2024-07-22T12:31:59","slug":"comprendre-le-reseau-docker-swarm-une-vue-densemble-technique","status":"publish","type":"post","link":"https:\/\/dockerpros.com\/fr\/networking-and-connectivity\/understanding-docker-swarm-networking-a-technical-overview\/","title":{"rendered":"Comprendre la mise en r\u00e9seau Docker Swarm : Une vue d'ensemble technique"},"content":{"rendered":"

Introduction au r\u00e9seau Docker Swarm<\/h1>\n

Docker has revolutionized the way applications are built, shipped, and 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>. \u00c0 mesure que la technologie de la conteneurisation continue d'\u00e9voluer, le besoin de solutions efficaces orchestration<\/a><\/span>L'orchestration d\u00e9signe la gestion et la coordination automatis\u00e9es de syst\u00e8mes et de services complexes. Elle optimise les processus en int\u00e9grant diverses composantes, en garantissant un fonctionnement efficace et une utilisation optimale des ressources. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> tools. Enter 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>, Docker’s native clustering and orchestration<\/a><\/span>L'orchestration d\u00e9signe la gestion et la coordination automatis\u00e9es de syst\u00e8mes et de services complexes. Elle optimise les processus en int\u00e9grant diverses composantes, en garantissant un fonctionnement efficace et une utilisation optimale des ressources. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> tool that allows you to manage a pool of Docker hosts as a single virtual host. One of the most critical aspects of 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> is its networking capabilities. In this article, we will delve into the intricacies of 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> networking, explore its architecture, and demonstrate how it can be effectively utilized to create resilient and scalable applications.<\/p>\n

Qu'est-ce que Docker Swarm ?<\/h2>\n

Before diving into networking specifics, let’s quickly recap what 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> is. 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> enables you to create and manage a cluster of Docker engines, referred to as a \u201cSwarm.\u201d This cluster consists of multiple nodes, which are either managers or workers. The manager nodes are responsible for the overall management of the Swarm, including scheduling services and maintaining the desired state of the services. Worker nodes, on the other hand, execute the tasks assigned to them by the managers.<\/p>\n

When you deploy a 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> dans un 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>, it can scale across multiple nodes, handling traffic efficiently and providing high availability.<\/p>\n

Architecture de mise en r\u00e9seau Docker Swarm<\/h2>\n

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> networking comprises several layers that work together to facilitate communication among containers. Understanding these layers is essential for leveraging Docker Swarm’s capabilities fully.<\/p>\n

R\u00e9seau superpos\u00e9<\/h3>\n

The 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> is one of the fundamental components of 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> networking. It enables containers running on different Docker hosts to communicate with one another seamlessly. The 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> abstracts the physical 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> and creates 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> that spans across multiple nodes.<\/p>\n

Caract\u00e9ristiques principales du r\u00e9seau Overlay :<\/h4>\n
    \n
  1. \n

    Communication multi-h\u00f4te<\/strong>: Overlay networks allow containers on different Docker hosts to communicate as if they are on the same host. This is particularly useful for microservices architectures where different services may 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> on different nodes.<\/p>\n<\/li>\n

  2. \n

    \u00c9quilibrage de charge<\/a><\/span>L'\u00e9quilibrage de charge est une technique essentielle de gestion de r\u00e9seau qui distribue le trafic entrant sur plusieurs serveurs. Cela garantit une utilisation optimale des ressources, minimise le temps de r\u00e9ponse et am\u00e9liore la disponibilit\u00e9 des applications. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/strong>: 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> automatically load-balances traffic between services. When you deploy a 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>, Docker assigns a virtual IP (VIP) to it, and the Docker routing mesh directs requests to the appropriate 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>.<\/p>\n<\/li>\n

  3. \n

    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> D\u00e9couverte<\/strong>: Within an 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>, Docker provides built-in 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> discovery. Containers can resolve each other by name, simplifying inter-service communication.<\/p>\n<\/li>\n

  4. \n

    Isolation<\/strong>: Overlay networks allow for isolated communication between different applications or environments (development, testing, production), enhancing security and resource management.<\/p>\n<\/li>\n<\/ol>\n

    Types de r\u00e9seaux dans Docker Swarm<\/h3>\n

    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> supports several types of networks to cater to different use cases:<\/p>\n

      \n
    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 standalone containers. However, it is limited to a single host and doesn’t allow containers on different hosts to communicate.<\/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>: When 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> is 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> in the r\u00e9seau h\u00f4te<\/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> mode, it shares the host’s networking 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>. This can improve performance but sacrifices 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> isolation.<\/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>: As discussed, this is the primary 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 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>, suitable for inter-node communication.<\/p>\n<\/li>\n

    4. \n

      Macvlan<\/strong>: Ceci 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 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>, enabling it to behave like 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>. This is useful for applications that require direct access to the physical 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> layer.<\/p>\n<\/li>\n<\/ol>\n

      Configuring Overlay Networks<\/h3>\n

      Configuring an 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> dans 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> is straightforward. Here\u2019s how you can create and use overlay networks:<\/p>\n

        \n
      1. \n

        Initialiser Swarm<\/strong>: Start by initializing your 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> if you haven’t already:<\/p>\n

        docker swarm init<\/a><\/span>Docker Swarm Init is a command used to initialize a new Swarm cluster. It configures the current Docker host as a manager node, enabling orchestration of services across multiple hosts. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span><\/code><\/pre>\n<\/li>\n
      2. \n
        Create an 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>: Use the following command to create an 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>:<\/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> -d overlay my_overlay_network<\/code><\/pre>\n<\/li>\n
      3. \n
        D\u00e9ployer des services<\/strong>: You can deploy services connected to this 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>:<\/p>\n
        docker service create<\/a><\/span>La commande `docker service create` permet aux utilisateurs de cr\u00e9er et de d\u00e9ployer un nouveau service dans un Docker Swarm. Elle permet la mise \u00e0 l'\u00e9chelle, l'\u00e9quilibrage de charge et la gestion des applications conteneuris\u00e9es sur plusieurs n\u0153uds. More \u00bb<\/a><\/span><\/span><\/span><\/span><\/span> --name web --network my_overlay_network nginx<\/code><\/pre>\n<\/li>\n
      4. \n
        Scaling<\/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> Services<\/strong>: You can scale your services across multiple nodes:<\/p>\n
        docker service mise \u00e0 l'\u00e9chelle<\/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> web=5<\/code><\/pre>\n<\/li>\n<\/ol>\n
        By deploying services across an 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>, you ensure that containers can communicate effectively, regardless of where they are hosted.<\/p>\n
        D\u00e9couverte de services dans Docker Swarm<\/h2>\n
        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> discovery is a key component of 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> networking. When you deploy a 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>, 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> automatically registers the 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> and makes it accessible using its name.<\/p>\n
        DNS-Based Service Discovery<\/h3>\n
        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> uses a built-in DNS server that allows containers to resolve 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> names to their virtual IP addresses. For instance, if you deploy a 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> nomm\u00e9 web<\/code>, other containers can communicate with it using http:\/\/web<\/code>.<\/p>\n
        Variables d'environnement<\/h3>\n
        When you create a 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>, Docker also creates environment variables that reflect service-related information. You can access these variables in your 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>. For example, if you have a 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> nomm\u00e9 db<\/code>, the following environment variables would be available:<\/p>\n