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Compose Export

DRY principle

We use and love Docker Compose in development environments. However in production we need to use some more sophisticated orchestration tools. As a result we have two distinct configuration files that describe the same containers relations.

To follow the DRY principle we need a tool transform a compose yml file (used in dev environments) into a descriptor for the tools we use in production :

Compose Export

To achieve that we could add a new Docker Compose command (export):

compose -f compose.yml export --format mesos-marathon

or build an application written in GO packaged as a docker image (composexp):

docker run -it composexp --file compose.yml --format mesos-marathon

or a web application that exposes some REST API to transform a yml/json from one format to anothe with a web UI form that make use of them.