Feature: Resource Limits for backstage container (#27)

charts/backstage/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # 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: 0.7.0
+version: 0.8.0
 
 dependencies:
   - name: common

charts/backstage/README.md

@@ -1,7 +1,7 @@
 
 # Backstage Helm Chart
 
-![Version: 0.7.0](https://img.shields.io/badge/Version-0.7.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
+![Version: 0.8.0](https://img.shields.io/badge/Version-0.8.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 
 A Helm chart for deploying a Backstage application
 
@@ -102,6 +102,7 @@ The command removes all the Kubernetes components associated with the chart and
 | backstage.image.repository |  | string | `"backstage/backstage"` |
 | backstage.image.tag |  | string | `"latest"` |
 | backstage.podSecurityContext |  | object | `{}` |
+| backstage.resources | resource requests/limits ref: https://kubernetes.io/docs/user-guide/compute-resources/ # E.g. # resources: #   limits: #     memory: 1Gi #     cpu: 1000m #   requests: #     memory: 250Mi #     cpu: 100m | object | `{}` |
 | clusterDomain |  | string | `"cluster.local"` |
 | commonAnnotations |  | object | `{}` |
 | commonLabels |  | object | `{}` |

charts/backstage/templates/backstage-deployment.yaml

@@ -27,7 +27,7 @@ spec:
     spec:
       {{- if .Values.serviceAccount.create }}
       serviceAccountName: {{ .Values.serviceAccount.name }}
-      {{- end }}     
+      {{- end }}
       {{- if .Values.backstage.podSecurityContext }}
       securityContext:
         {{- include "common.tplvalues.render" ( dict "value" .Values.backstage.podSecurityContext "context" $) | nindent 8 }}
@@ -38,7 +38,7 @@ spec:
         - name: {{ .configMapRef }}
           configMap:
             name: {{ .configMapRef }}
-        {{- end }}            
+        {{- end }}
         {{- if .Values.backstage.extraVolumes }}
           {{- toYaml .Values.backstage.extraVolumes | nindent 8 }}
         {{- end }}
@@ -70,6 +70,9 @@ spec:
           {{- range .Values.backstage.args }}
             - {{ . | quote }}
           {{- end }}
+          {{- if .Values.backstage.resources }}
+          resources: {{- include "common.tplvalues.render" (dict "value" .Values.backstage.resources "context" $) | nindent 12 }}
+          {{- end }}
           {{- if .Values.backstage.extraAppConfig }}
           {{- range .Values.backstage.extraAppConfig }}
             - "--config"
@@ -92,7 +95,7 @@ spec:
               value: {{ include "backstage.postgresql.host" . }}
             - name: POSTGRES_PORT
               value: "5432"
-            - name: POSTGRES_USER     
+            - name: POSTGRES_USER
               value: {{ .Values.postgresql.auth.username }}
             - name: POSTGRES_PASSWORD
               valueFrom:
@@ -112,7 +115,7 @@ spec:
             {{- range .Values.backstage.extraAppConfig }}
             - name: {{ .configMapRef }}
               mountPath: "/app/{{ .filename }}"
-              subPath: {{ .filename }} 
+              subPath: {{ .filename }}
             {{- end }}
             {{- if .Values.backstage.extraVolumeMounts }}
               {{- toYaml .Values.backstage.extraVolumeMounts | nindent 12 }}

charts/backstage/values.yaml

@@ -120,6 +120,17 @@ backstage:
   extraEnvVarsSecrets:
   extraVolumeMounts: []
   extraVolumes: []
+  # -- resource requests/limits
+  # ref: https://kubernetes.io/docs/user-guide/compute-resources/
+  ## E.g.
+  ## resources:
+  ##   limits:
+  ##     memory: 1Gi
+  ##     cpu: 1000m
+  ##   requests:
+  ##     memory: 250Mi
+  ##     cpu: 100m
+  resources: {}
 
   ## @param backstage.podSecurityContext Security settings for a Pod.
   ## The security settings that you specify for a Pod apply to all Containers in the Pod.