add option for automatic build

{{cookiecutter.project_slug}}/templates/NOTES.txt

@@ -6,6 +6,7 @@ Your release is named {{ .Release.Name }}.
 
 {%- if cookiecutter.install_basic_hereon_setup %}
 {% raw %}
+{{- if .Release.IsInstall }}
 You now need to create secret with the name k8sgitlab containing an SSH-key.
 
 Please create an ssh-keypair with
@@ -24,4 +25,5 @@ Afterwards, you can trigger a build and the rollout with
 {%- endraw %}
 
     oc start-build {{ cookiecutter.template_base_name }}
+{% raw %}{{- end }}{% endraw %}
 {% endif %}
\ No newline at end of file

{{cookiecutter.project_slug}}/templates/{{cookiecutter.template_base_name}}-buildconfig.yaml

@@ -2,7 +2,13 @@ apiVersion: build.openshift.io/v1
 kind: BuildConfig
 metadata:
   name: {{ cookiecutter.template_base_name }}
-  namespace: {% raw %}{{ .Values.global.openshiftNamespace }}{% endraw %}
+  {%- raw %}
+  namespace: {{ .Values.global.openshiftNamespace }}
+  {{- if .Values.alwaysRebuild }}
+  annotations:
+    rollme: {{ randAlphaNum 5 | quote }}
+  {{- end }}
+  {%- endraw %}
 spec:
   runPolicy: "Serial"
   source:
@@ -16,6 +22,7 @@ spec:
   triggers:
     - imageChange: {}
       type: ImageChange
+    - type: ConfigChange
   strategy:
     type: Docker
     dockerStrategy:

{{cookiecutter.project_slug}}/values.yaml

@@ -15,4 +15,5 @@ global:
 {% if cookiecutter.install_basic_hereon_setup %}
 # the origin of the docker image to build
 fromImage: {{ cookiecutter.template_base_name }}
+alwaysRebuild: true
 {% endif %}
\ No newline at end of file