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@@ -38,20 +38,32 @@ reliable, predictable, and reproducible Linux environment.
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The `centos:latest` tag is always the most recent version currently
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available.
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+## Rolling builds
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+
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The CentOS Project offers regularly updated images for all active releases.
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These images will be updated monthly or as needed for emergency fixes. These
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rolling updates are tagged with the major version number only.
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For example: `docker pull centos:6` or `docker pull centos:7`
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-Additionally, images that correspond to install media are also offered. These
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-images DO NOT recieve updates as they are intended to match installation iso
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-contents. If you choose to use these images it is highly recommended that you
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-include `RUN yum -y update && yum clean all` in your Dockerfile, or otherwise
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-address any potential security concerns. To use these images, please specify
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-the minor version tag:
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+## Minor tags
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+
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+Additionally, images with minor version tags that correspond to install media
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+are also offered. **These images DO NOT recieve updates** as they are intended
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+to match installation iso contents. If you choose to use these images it is
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+highly recommended that you include `RUN yum -y update && yum clean all`
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+in your Dockerfile, or otherwise address any potential security concerns.
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+To use these images, please specify the minor version tag:
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For example: `docker pull centos:5.11` or `docker pull centos:6.6`
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+# Package documentation
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+
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+By default, the CentOS containers are built using yum's `nodocs` option, which
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+helps reduce the size of the image. If you install a package and discover
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+files missing, please comment out the line `tsflags=nodocs` in `/etc/yum.conf`
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+and reinstall your package.
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+
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+
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# Systemd integration
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@@ -114,7 +126,7 @@ always be run as a privileged container with the cgroups filesystem mounted.
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# Supported Docker versions
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-This image is officially supported on Docker version 1.4.1.
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+This image is officially supported on Docker version 1.5.0.
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Support for older versions (down to 1.0) is provided on a best-effort basis.
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Jim Perrin