make liveness and readiness probes optional and further configurable

README.md

@@ -6,9 +6,11 @@ A helm chart to setup [Pixelfed](https://pixelfed.org/). Uses matt's docker [ima
 ## Features
 
 - includes bitnami subcharts for [valkey](https://github.com/bitnami/charts/blob/main/bitnami/valkey/README.md#parameters) (redis) and [postgresql](https://github.com/bitnami/charts/blob/main/bitnami/postgresql/README.md#parameters) (database)
+  - but you can also bring your own valkey, redis, or postgresql database
 - helm parameter docs autogenerated via helm-docs
 - use existing Secrets for valkey, postgresql, and smtp
 - RenovateBot keeps the subcharts and docker image up to date
+- configurable liveness and readiness probes
 
 ## TLDR
 

charts/pixelfed/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: 0.4.2
+version: 0.5.0
 
 # This is the version number of the application being deployed.
 # renovate:image=ghcr.io/mattlqx/docker-pixelfed

charts/pixelfed/templates/deployment.yaml

@@ -335,10 +335,14 @@ spec:
             - name: DB_APPLY_NEW_MIGRATIONS_AUTOMATICALLY
               value: "{{ .Values.pixelfed.db_apply_new_migrations_automatically }}"
 
+          {{- with .Values.livenessProbe }}
           livenessProbe:
-            {{- toYaml .Values.livenessProbe | nindent 12 }}
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          {{- with .Values.readinessProbe }}
           readinessProbe:
-            {{- toYaml .Values.readinessProbe | nindent 12 }}
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
           {{- with .Values.volumeMounts }}

charts/pixelfed/values.yaml

@@ -59,10 +59,14 @@ service:
   # -- Port to attach to on the pods. Also sets what port nginx listens on inside the container.
   targetPort: 80
 
-# This block is for setting up the ingress for more information can be found here: https://kubernetes.io/docs/concepts/services-networking/ingress/
+# This block is for setting up the ingress for more information can be found here:
+# https://kubernetes.io/docs/concepts/services-networking/ingress/
 ingress:
+  # -- enable deploy an Ingress resource - network traffic from outside the cluster
   enabled: false
+  # -- ingress class name, e.g. nginx
   className: ""
+  # annotations to apply to the Ingress resource
   annotations: {}
   hosts:
     - host: chart-example.local
@@ -74,11 +78,8 @@ ingress:
   #    hosts:
   #      - chart-example.local
 
+# -- set resource limits and requests for cpu, memory, and ephemeral storage
 resources: {}
-  # We usually recommend not to specify default resources and to leave this as a conscious
-  # choice for the user. This also increases chances charts run on environments with little
-  # resources, such as Minikube. If you do want to specify resources, uncomment the following
-  # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
   # limits:
   #   cpu: 100m
   #   memory: 128Mi
@@ -86,18 +87,22 @@ resources: {}
   #   cpu: 100m
   #   memory: 128Mi
 
-# This is to setup the liveness and readiness probes more information can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/
+# -- This is to setup the liveness probe
-livenessProbe:
+# more information can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/
-  httpGet:
+livenessProbe: {}
-    path: /api/service/health-check
+  #  httpGet:
-    port: http
+  #    path: /api/service/health-check
+  #    port: http
 
-readinessProbe:
+# -- This is to setup the readiness probe
-  httpGet:
+# more information can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/
-    path: /api/service/health-check
+readinessProbe: {}
-    port: http
+  #  httpGet:
+  #    path: /api/service/health-check
+  #    port: http
 
-# This section is for setting up autoscaling more information can be found here: https://kubernetes.io/docs/concepts/workloads/autoscaling/
+# This section is for setting up autoscaling
+# more information can be found here: https://kubernetes.io/docs/concepts/workloads/autoscaling/
 autoscaling:
   enabled: false
   minReplicas: 1