How to use Docker App and templates to manage complex applications?
Modern web applications rarely consist of a single container. Usually, they represent a complex ecosystem of web servers, databases, message queues, and caches. Managing such a large number of disparate components requires standardized packaging and distribution tools.
To simplify this task, developers use the concept of application templating and packaging. Although classic docker-compose handles local development very well, standardized application packages allow combining configuration, metadata, and parameters into a single artifact. This facilitates team collaboration and the delivery of solutions to remote servers.
The main benefits of using unified configuration packages include the following features:
Applying such approaches brings local development and the production environment closer together. Developers can transfer a fully ready-to-run service stack to colleagues or clients with a single command. This minimizes the human factor and configuration errors during the system deployment phase.