diff --git a/prometheus/Chart.yaml b/prometheus/Chart.yaml
index 3413aeee7..cd99b1968 100644
--- a/prometheus/Chart.yaml
+++ b/prometheus/Chart.yaml
@@ -15,7 +15,7 @@ apiVersion: v1
 appVersion: v2.25.0
 description: OpenStack-Helm Prometheus
 name: prometheus
-version: 0.1.13
+version: 0.1.14
 home: https://prometheus.io/
 sources:
   - https://github.com/prometheus/prometheus
diff --git a/prometheus/templates/bin/_prometheus.sh.tpl b/prometheus/templates/bin/_prometheus.sh.tpl
index 50d7d5830..25cb90528 100644
--- a/prometheus/templates/bin/_prometheus.sh.tpl
+++ b/prometheus/templates/bin/_prometheus.sh.tpl
@@ -15,15 +15,23 @@ limitations under the License.
 */}}
 
 set -ex
-COMMAND="${@:-start}"
 
-function start () {
-{{ $flags := include "prometheus.utils.command_line_flags" .Values.conf.prometheus.command_line_flags }}
-  exec /bin/prometheus --config.file=/etc/config/prometheus.yml {{ $flags }}
-}
+# Two ways how to launch init process in container: by default and custom (defined in override values).
+{{ $deflaunch := .Values.proc_launch.prometheus.default }}
+if [ "{{ $deflaunch }}" = true ]
+then
+  COMMAND="${@:-start}"
 
-function stop () {
-  kill -TERM 1
-}
+  function start () {
+  {{ $flags := include "prometheus.utils.command_line_flags" .Values.conf.prometheus.command_line_flags }}
+    exec /bin/prometheus --config.file=/etc/config/prometheus.yml {{ $flags }}
+  }
 
-$COMMAND
+  function stop () {
+    kill -TERM 1
+  }
+
+  $COMMAND
+else
+  {{ tpl (.Values.proc_launch.prometheus.custom_launch) . }}
+fi
diff --git a/prometheus/values.yaml b/prometheus/values.yaml
index 5872f1739..d6da537fd 100644
--- a/prometheus/values.yaml
+++ b/prometheus/values.yaml
@@ -271,6 +271,17 @@ network_policy:
     egress:
       - {}
 
+proc_launch:
+  prometheus:
+    default: true
+    custom_launch: |
+        while true
+        do
+          echo "If 'proc_launch.prometheus.default: false'."
+          echo "Your custom shell script code you can put here."
+          sleep 10
+        done
+
 secrets:
   oci_image_registry:
     prometheus: prometheus-oci-image-registry-key
diff --git a/releasenotes/notes/prometheus.yaml b/releasenotes/notes/prometheus.yaml
index 0e38e442d..bcbb9dfc9 100644
--- a/releasenotes/notes/prometheus.yaml
+++ b/releasenotes/notes/prometheus.yaml
@@ -14,4 +14,5 @@ prometheus:
   - 0.1.11 Update htk requirements
   - 0.1.12 Update default image value to Wallaby
   - 0.1.13 Added OCI registry authentication
+  - 0.1.14 Added feature to launch Prometheus with custom script
 ...