feat(initContainers): introduce init containers to pods

Author: mipieta

java/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v2
 description: Java Helm Chart
 name: java
-version: 10.0.1
+version: 10.1.0
 dependencies:
   - name: libchart
-    version: 4.0.1
+    version: 4.1.0
     repository: file://../libchart

java/values.yaml

@@ -14,6 +14,11 @@ image:
   #   - secret1
   #   - secret2
 
+initContainers:
+  - name: network-proxy
+    image: network-proxy:1.0
+    restartPolicy: Always
+
 nameOverride: ""
 fullnameOverride: ""
 

libchart/Chart.yaml

@@ -15,7 +15,7 @@ type: library
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 4.0.1
+version: 4.1.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

libchart/templates/_pod.tpl

@@ -8,6 +8,12 @@ imagePullSecrets:
 serviceAccountName: {{ include "libchart.serviceAccountName" . }}
 securityContext:
   {{- toYaml .Values.podSecurityContext | nindent 2 }}
+
+{{- if .Values.initContainers }}
+initContainers:
+  {{ toYaml .Values.initContainers | nindent 2 }}
+{{- end }}
+
 containers:
   - name: {{ .Chart.Name }}
     image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"

libchart/values.yaml

@@ -15,6 +15,11 @@ image:
   #   - secret1
   #   - secret2
 
+initContainers:
+  - name: network-proxy
+    image: network-proxy:1.0
+    restartPolicy: Always
+
 nameOverride: ""
 fullnameOverride: ""