[chart] allow specifying DeploymentStrategy

chart/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: 0.1.3
+version: 0.1.4
 
 # 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

chart/README.md

@@ -52,6 +52,7 @@ A fun, new, open way to experience social media https://iceshrimp.dev
 | iceshrimp.smtp.port | int | `587` |  |
 | iceshrimp.smtp.server | string | `"smtp.mailgun.org"` |  |
 | iceshrimp.smtp.useImplicitSslTls | bool | `false` |  |
+| iceshrimp.strategy | object | `{}` | Override DeploymentStrategy for Iceshrimp |
 | elasticsearch | object | `{"auth":{},"enabled":false,"hostname":"","port":9200,"ssl":false}` | https://github.com/bitnami/charts/tree/master/bitnami/elasticsearch#parameters |
 | fullnameOverride | string | `""` |  |
 | image.pullPolicy | string | `"IfNotPresent"` |  |

chart/templates/deployment.yaml

@@ -8,6 +8,12 @@ spec:
  {{- if not .Values.autoscaling.enabled }}
   replicas: {{ .Values.replicaCount }}
   {{- end }}
+
+  {{- if .Values.iceshrimp.deploymentStrategy }}
+  strategy:
+    {{- toYaml .Values.iceshrimp.deploymentStrategy | nindent 4 }}
+  {{- end }}
+
   selector:
     matchLabels:
       {{- include "iceshrimp.selectorLabels" . | nindent 6 }}

chart/values.yaml

@@ -54,6 +54,13 @@ iceshrimp:
       helm.sh/resource-policy: keep
     size: 10Gi
 
+  # Deployment strategy (optional), see https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#strategy
+  # deploymentStrategy:
+  #   type: RollingUpdate
+  #   rollingUpdate:
+  #     maxUnavailable: 0
+  #     maxSurge: 1
+
   # -- If you want to allow iceshrimp to connect to private ips, enter the cidrs here.
   allowedPrivateNetworks: []
   # - "10.0.0.0/8"