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Merge pull request #64473 from nberlee/master
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Drop capabilities of CoreDNS container and run in read-only

**What this PR does / why we need it**: Make the CoreDNS container more secure by dropping (root) capabilities. Improve the integrity of the of the container by running the whole container in read-only.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:
Same [changes](aba0245609) as in the CoreDNS deployment repository.
**Release note**:

```release-note
Kubeadm: Make CoreDNS run in read-only mode and drop all unneeded privileges 
```
2018-06-05 10:23:19 -07:00
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api Merge pull request #58647 from oracle/for/upstream/master/hostpath-psp-readonly 2018-06-05 02:16:21 -07:00
build Revert "Remove rescheduler and corresponding tests from master" 2018-05-31 22:18:49 -04:00
cluster Merge pull request #64473 from nberlee/master 2018-06-05 10:23:19 -07:00
cmd Run CoreDNS container only with CAP_NET_BIND_SERVICE, drop all other (root) privileges. 2018-06-05 08:22:47 +02:00
docs Merge pull request #58647 from oracle/for/upstream/master/hostpath-psp-readonly 2018-06-05 02:16:21 -07:00
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staging Merge pull request #58647 from oracle/for/upstream/master/hostpath-psp-readonly 2018-06-05 02:16:21 -07:00
test Merge pull request #64748 from losipiuk/lo/fix-e2e-accelerator-type 2018-06-05 08:36:43 -07:00
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