Add command value

README.md

@@ -23,7 +23,15 @@ Set the value web.livenessProbe.path and web.readinessProbe.path to change the U
 
 ## Run commands
 
-This helm chart will set a "role" environment variable to web, worker, or beat. It's up to your Docker image to read this variable and run the correct command.
+This helm chart will set a "role" environment variable to web, worker, or beat. Your Docker image could read this variable and run the correct command.
+
+Alternatively, set the service.command. For example:
+
+```
+web:
+  command:
+    - run_it
+```
 
 # Usage
 

templates/beat/deployment.yaml

@@ -30,6 +30,12 @@ spec:
         {{- toYaml .Values.podSecurityContext | nindent 8 }}
       containers:
         - name: {{ .Chart.Name }}
+          {{- if .Values.beat.command }}
+          command: {{ .Values.beat.command }}
+          {{- end }}
+          {{- if .Values.beat.args }}
+          args: {{ .Values.beat.args }}
+          {{- end }}
           securityContext:
             {{- toYaml .Values.securityContext | nindent 12 }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"

templates/web/deployment.yaml

@@ -32,6 +32,12 @@ spec:
         {{- toYaml .Values.podSecurityContext | nindent 8 }}
       containers:
         - name: {{ .Chart.Name }}
+          {{- if .Values.web.command }}
+          command: {{ .Values.web.command }}
+          {{- end }}
+          {{- if .Values.web.args }}
+          args: {{ .Values.web.args }}
+          {{- end }}
           securityContext:
             {{- toYaml .Values.securityContext | nindent 12 }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"

templates/worker/deployment.yaml

@@ -30,6 +30,12 @@ spec:
         {{- toYaml .Values.podSecurityContext | nindent 8 }}
       containers:
         - name: {{ .Chart.Name }}
+          {{- if .Values.worker.command }}
+          command: {{ .Values.worker.command }}
+          {{- end }}
+          {{- if .Values.worker.args }}
+          args: {{ .Values.worker.args }}
+          {{- end }}
           securityContext:
             {{- toYaml .Values.securityContext | nindent 12 }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"