Explanation

Docker Swarm is a container orchestration mode for Docker that allows you to deploy and manage multi-container applications across one or more Docker hosts. Instead of starting containers manually with Docker Run or locally with Docker Compose, Docker Swarm uses stack definitions to deploy services in a managed cluster environment. XWiki can be deployed with Docker Swarm by using the XWiki Docker images together with a stack file.

Docker Swarm also provides additional features that are useful in production environments, including:

• Docker secrets for sensitive values such as database usernames and passwords.
• Docker configs for external configuration files.

When you deploy XWiki with Docker Swarm, Docker can automatically:

• create overlay networks for the services
• run the XWiki and database services
• manage persistent volumes
• restart failed services
• scale services when needed

A typical XWiki Swarm deployment includes:

• one XWiki service
• one database service (for example MySQL)
• persistent volumes for application and database data
• secrets for database credentials

With Docker Swarm, XWiki can be deployed using stack files, such as:

• Run XWiki (MySQL on Tomcat) Using Docker Swarm
• Run XWiki (MariaDB on Tomcat) Using Docker Swarm
• Run XWiki (PostgreSQL on Tomcat) Using Docker Swarm

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Related

• Docker Run for XWiki.
• Docker Compose for XWiki.
• Docker Volumes Used by XWiki Containers.