I am newbie in the Docker world, I spent my holiday to learn this docker (however it is much harder than Vagrant).
So I use Ubuntu 16.04, I installed successfully the docker and docker-compose.
I read this tutorial: Quickstart: Docker Compose and Rails
But this is not working… maybe the tutorial is not fine.
I have this docker-compose.yml:
command: bundle exec rails s -p 3000 -b '0.0.0.0’
I got this error always:
$ docker-compose run web rails new . --force --database=postgresql --skip-bundle
ERROR: Validation failed in file ‘./docker-compose.yml’, reason(s):
Unsupported config option for ‘web’ service: ‘depends_on’
Mmmm, okay, I read a lot of google result, and it seems I am in a troube, because I use Ubuntu. Unfortunately the highest version number of docker in Ubuntu it is only 1.5.2. (I tried download the 1.7.1 with curl, but 1.5.2 installed automatically.)
$ docker version Client: Version: 1.11.1 API version: 1.23 Go version: go1.5.4 Git commit: 5604cbe Built: Tue Apr 26 23:43:49 2016 OS/Arch: linux/amd64 Server: Version: 1.11.1 API version: 1.23 Go version: go1.5.4 Git commit: 5604cbe Built: Tue Apr 26 23:43:49 2016 OS/Arch: linux/amd64
Do you have any ideas, how can I run the rails based docker?
I cannot install the docker machine, because I use ubuntu and the installation always will be failed.
However my PHP docker-compose.yml is fine, because I can run it But this rails tutorial is not good.