New RHSCL-based Docker images that are now in beta let you easily build your own application containers even without writing any Dockerfiles. Here is an example of a Ruby on Rails application built with the Ruby 2.2 image using the PostgreSQL 9.4 image as a database backend.
Continue reading “Containerize your Ruby on Rails/PostgreSQL application with RHSCL Docker images”
I’m very happy to announce that Docker images based on collections from Red Hat Software Collections (RHSCL) 2.0 are in beta testing. The images are available from the Red Hat Container Registry, and we’ve got the set of collections for language, databases and web servers covered – a complete list is below.
If you’ve not tried out the Docker package from RHEL7 Extras, you need to enable the Extras channel, install the docker page, and start the docker service; an extended guide for RHEL Docker is available here. Once you are set up, pulling the RHSCL Docker images is very simple… for example, you can fetch the Python 3.4 image as follows:
Continue reading “Red Hat Software Collections 2.0 Docker images, Beta release”
We recently announced that we’ve made available a set of Dockerfiles for Red Hat Software Collections. We are making these available since we think they may be useful to customers looking to build more complex application containers on top of RHEL and RHSCL. We don’t intend the Dockerfiles to produce useful standalone images which you’ll immediately put in production – the Docker images which these create are very simple containers which give you RHEL plus the basic set of packages from a particular RHSCL collection.
There are two different ways to get your hands on the Dockerfiles:
- From the upstream source at github
- From a new package, rhscl-dockerfiles, which we’ve shipped in the RHSCL channels – both for RHEL6 and RHEL7
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Apologies that this has been so long in coming, but I was certain that we had already written a post on this subject. What subject you ask? How does one set one or more software collections as automatically enabled for your login.
Continue reading “Permanently Enable a Software Collection”