{"id":1278,"date":"2024-07-23T12:18:32","date_gmt":"2024-07-23T12:18:32","guid":{"rendered":"https:\/\/dockerpros.com\/?post_type=glossary&p=1278"},"modified":"2024-07-23T12:22:21","modified_gmt":"2024-07-23T12:22:21","slug":"docker-compose-reseaux-externes","status":"publish","type":"glossary","link":"https:\/\/dockerpros.com\/fr\/wiki\/docker-compose-external-networks\/","title":{"rendered":"R\u00e9seaux externes Docker Compose"},"content":{"rendered":"

Guide avanc\u00e9 des r\u00e9seaux externes Docker Compose\n\nLes r\u00e9seaux externes Docker Compose sont un moyen puissant de connecter des conteneurs \u00e0 des r\u00e9seaux existants en dehors du contexte de Docker Compose. Cette fonctionnalit\u00e9 est particuli\u00e8rement utile dans des sc\u00e9narios complexes o\u00f9 vous devez int\u00e9grer des conteneurs g\u00e9r\u00e9s par Docker Compose avec d'autres services ou conteneurs qui ne font pas partie du m\u00eame fichier Compose.\n\nPour utiliser un r\u00e9seau externe, vous devez d'abord le cr\u00e9er en dehors de Docker Compose. Vous pouvez le faire en utilisant la commande docker network create. Par exemple, pour cr\u00e9er un r\u00e9seau appel\u00e9 \"my-network\", vous ex\u00e9cuteriez :\n\n```bash\ndocker network create my-network\n```\n\nUne fois le r\u00e9seau externe cr\u00e9\u00e9, vous pouvez l'utiliser dans votre fichier Docker Compose en sp\u00e9cifiant son nom sous la section \"networks\" et en d\u00e9finissant \"external: true\". Voici un exemple de fichier docker-compose.yml utilisant un r\u00e9seau externe :\n\n```yaml\nversion: '3.8'\n\nservices:\n web:\n image: nginx\n networks:\n - my-network\n\n db:\n image: postgres\n networks:\n - my-network\n\nnetworks:\n my-network:\n external: true\n```\n\nDans cet exemple, les services \"web\" et \"db\" sont connect\u00e9s au r\u00e9seau externe \"my-network\". Notez que vous n'avez pas besoin de sp\u00e9cifier les d\u00e9tails du r\u00e9seau (comme le driver ou les options) car il est d\u00e9j\u00e0 cr\u00e9\u00e9 et g\u00e9r\u00e9 en dehors de Docker Compose.\n\nL'utilisation de r\u00e9seaux externes pr\u00e9sente plusieurs avantages :\n\n1. **Isolation** : Vous pouvez isoler certains services dans des r\u00e9seaux sp\u00e9cifiques, am\u00e9liorant ainsi la s\u00e9curit\u00e9 et l'organisation de votre infrastructure.\n\n2. **R\u00e9utilisabilit\u00e9** : Les r\u00e9seaux externes peuvent \u00eatre partag\u00e9s entre plusieurs projets Docker Compose, permettant une meilleure r\u00e9utilisation des ressources.\n\n3. **Int\u00e9gration** : Vous pouvez facilement int\u00e9grer des conteneurs g\u00e9r\u00e9s par Docker Compose avec d'autres services ou conteneurs qui ne font pas partie du m\u00eame fichier Compose.\n\n4. **Flexibilit\u00e9** : Les r\u00e9seaux externes peuvent \u00eatre cr\u00e9\u00e9s et g\u00e9r\u00e9s ind\u00e9pendamment de Docker Compose, vous offrant plus de flexibilit\u00e9 dans la gestion de votre infrastructure.\n\nCependant, il est important de noter que l'utilisation de r\u00e9seaux externes n\u00e9cessite une planification et une gestion attentives. Vous devez vous assurer que le r\u00e9seau externe existe avant de d\u00e9marrer vos services Docker Compose, et vous devez g\u00e9rer les autorisations d'acc\u00e8s au r\u00e9seau de mani\u00e8re appropri\u00e9e.\n\nEn conclusion, les r\u00e9seaux externes Docker Compose sont un outil puissant pour cr\u00e9er des architectures de conteneurs complexes et flexibles. En comprenant comment les utiliser efficacement, vous pouvez am\u00e9liorer consid\u00e9rablement l'organisation, la s\u00e9curit\u00e9 et la r\u00e9utilisabilit\u00e9 de votre infrastructure Docker.<\/h1>\n

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> is a powerful tool that simplifies the management of multi-container Docker applications. One of its capabilities, often overlooked by developers, is the use of external networks. External networks allow Docker containers to communicate across 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 or even with external applications outside of the Docker environment. This article explores the concept of 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> external networks in-depth, covering how they function, their configuration, and their practical applications in real-world scenarios.<\/p>\n

Comprendre le r\u00e9seau Docker<\/h2>\n

Before diving into external networks, it\u2019s crucial to grasp the basics of Docker networking. Docker uses a bridge networking model by default, where each 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> se voit attribuer une adresse IP dans un 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 can communicate with other containers on the same 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>. There are several types of networks available in Docker:<\/p>\n

    \n
  1. 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>: La valeur par d\u00e9faut 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, which allows containers to communicate with each other on the same host.<\/li>\n
  2. 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>: Containers share the host’s 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> and can access local services directly.<\/li>\n
  3. 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>: This type enables containers to communicate across multiple Docker hosts, often used in a Swarm or 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> configuration.<\/li>\n
  4. 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>: Assigns 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>, allowing it to act 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>.<\/li>\n<\/ol>\n

    Qu'est-ce que les r\u00e9seaux externes ?<\/h3>\n

    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> est un 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 Compose\u2019s lifecycle. This means that when you define 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> dans un docker-compose.yml<\/code> file, you are telling 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> to use an existing r\u00e9seau Docker<\/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> plut\u00f4t que d'en cr\u00e9er un nouveau. Cela est particuli\u00e8rement utile lorsque :<\/p>\n