Release 0.2.1 (#30)

Update documentation and use SemVer

RELEASE.md

@@ -54,16 +54,24 @@ git checkout master
 git pull
 ```
 
-Tag the release with the new version (e.g. v0.3):
+Tag the release with the new version (e.g. v0.3.0):
 ```bash
-git tag v0.3
+git tag v0.3.0
 git push --tags
 ```
 
-The minor version should be incremented by one like:
+Pupernetes follows Semantic Versionning ([_SemVer_](https://semver.org/)):
 ```text
-0.1 -> 0.2
-0.9 -> 0.10
+# Patch update
+0.3.0 -> 0.3.1
+
+# Minor update
+0.3.0 -> 0.4.0
+0.9.0 -> 0.10.0
+
+# Major update
+0.3.0 -> 1.0.0
+1.15.4 -> 2.0.0
 ...
 ```
 

environments/container-linux/ignition.yaml

@@ -90,7 +90,7 @@ storage:
     contents:
       inline: |
         #!/bin/bash -ex
-        curl -Lf https://github.com/DataDog/pupernetes/releases/download/v0.2/pupernetes -o /opt/bin/pupernetes
+        curl -Lf https://github.com/DataDog/pupernetes/releases/download/v0.2.1/pupernetes -o /opt/bin/pupernetes
         sha512sum -c /opt/bin/pupernetes.sha512sum
         chmod +x /opt/bin/pupernetes
 
@@ -99,7 +99,7 @@ storage:
     filesystem: root
     contents:
       inline: |
-        77cd2fe470b350a8c68fa44cc44640713f46a6569a9a8f2a632912b73869a12f4c94d46ce876dd0b9bb799732f495fc3ddf97aa50731b5bbfbf871464636b71b /opt/bin/pupernetes
+        3919551265c2a7ebfb9bfe06008162a747b8117bb27ada998779eec4b6e498a159644a74034152b60c5c8768def999e38a504f5152a6fb5d85978977943ab039 /opt/bin/pupernetes
 
   - path: /home/core/.kube/config
     mode: 0644