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Roadmap
Fig will be incorporated as part of the Docker ecosystem and renamed Docker Compose. The command-line tool and configuration file will get new names, and its documentation will be moved to docs.docker.com.
More than just development environments
Over time we will extend Fig's remit to cover test, staging and production environments. This is not a simple task, and will take many incremental improvements such as:
- Fig’s brute-force “delete and recreate everything” approach is great for dev and testing, but it not sufficient for production environments. You should be able to define a "desired" state that Fig will intelligently converge to.
- It should be possible to partially modify the config file for different environments (dev/test/staging/prod), passing in e.g. custom ports or volume mount paths. (#426)
- Fig recommend a technique for zero-downtime deploys.
Integration with Swarm
Fig should integrate really well with Swarm so you can take an application you've developed on your laptop and run it on a Swarm cluster.
Applications spanning multiple teams
Fig works well for applications that are in a single repository and depend on services that are hosted on Docker Hub. If your application depends on another application within your organisation, Fig doesn't work as well.
There are several ideas about how this could work, such as including external files.
An even better tool for development environments
Fig is a great tool for development environments, but it could be even better. For example:
- Fig could watch your code and automatically kick off builds when something changes.
- It should be possible to define hostnames for containers which work from the host machine, e.g. “mywebcontainer.local”. This is needed by apps comprising multiple web services which generate links to one another (e.g. a frontend website and a separate admin webapp)