fix: 0.3.2 version (#9)

Fixes: 
 - (docs): better explanation of values
 - add an `initContainer` (closes #7 )

.github/linters/chart-testing.yaml

@@ -4,5 +4,5 @@ chart-dirs:
 chart-repos:
   - bitnami=https://charts.bitnami.com/bitnami
 
-# The default branch name will be 'main' soon
+# The default branch name will be 'main' soon, but for now we need this.
 target-branch: main

langfuse/Chart.yaml

@@ -17,7 +17,7 @@ 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: 0.3.1
+version: 0.3.2
 
 # 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

langfuse/templates/deployment.yaml

@@ -27,6 +27,32 @@ spec:
       serviceAccountName: {{ include "langfuse.serviceAccountName" . }}
       securityContext:
         {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      initContainers:
+        - name: check-postgres
+          image: busybox:latest
+          env:
+            {{- if .Values.postgresql.enabled }}
+            - name: DATABASE_HOST
+              value: {{ include "langfuse.databaseHost" . | quote }}
+            - name: DATABASE_PORT
+              value: "5432"
+            {{- else }}
+            - name: DATABASE_URL
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "langfuse.connectionSecret" . | quote }}
+                  key: database-url
+            {{- end }}
+          command:
+            - sh
+            - -c
+            - >
+              until nc -z -v -w30 
+              ${DATABASE_HOST:-$(echo $DATABASE_URL | awk -F[/:] '{print $4}')} 
+              ${DATABASE_PORT:-$(echo $DATABASE_URL | awk -F[/:] '{print $5}'):-"5432"} ; do
+                echo 'Waiting for Postgres...' ;
+                sleep 5 ;
+              done
       containers:
         - name: {{ .Chart.Name }}
           securityContext:
@@ -80,10 +106,16 @@ spec:
             - configMapRef:
                 name: {{ include "langfuse.configMap" . }}
             {{- include "langfuse.additionalSecrets" . }}
-          readinessProbe:
+          startupProbe:
+            tcpSocket:
+              port: http
+            failureThreshold: 30
+            periodSeconds: 10
+          livenessProbe:
             httpGet:
               path: /api/public/health
               port: http
+            periodSeconds: 20
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
       {{- with .Values.nodeSelector }}

langfuse/values.yaml

@@ -10,16 +10,9 @@ databaseURL: "postgresql://postgres:postgres@localhost:5432/postgres"
 # This URL is used for migrations
 directURL: ""
 
-# Several toggles for Langfuse functionality
-toggles:
-  disablePublicSignup: false
-  experimentalFeatures: false
-  telemetry: true
-
 # Where the non-public Langfuse configuration is stored
 secrets:
-  # This group of settings is only relevant if postgresql.enabled is set.
-  postgresql:
+  postgresql:  # This group of settings is only relevant if postgresql.enabled is set.
     # If set (default), random values are saved in the postgresql.auth.existingSecret secret
     # for all the missing keys (existing values for these keys are preserved).
     # If unset, you are expected to create the secret yourself before installing the chart.
@@ -31,6 +24,7 @@ secrets:
     # but Postgres will continue to use an old password since it's stored on the PVC.
     keepWhenUninstalled: true
   internal:
+    # By default, each installation gets their own internal secret
     # You can change the name to make several installations share the API keys.
     name: "{{ .Release.Name }}-internal-secret"
     # If set (default), random values are saved in the secrets.internal.name secret
@@ -46,6 +40,12 @@ secrets:
   # You will need to manage those manually; they will not be touched by the chart.
   additional: []
 
+# Several toggles for Langfuse functionality
+toggles:
+  disablePublicSignup: false
+  experimentalFeatures: false
+  telemetry: true
+
 # ------------ Postgres subchart
 
 postgresql:
@@ -116,18 +116,7 @@ ingress:
   #    hosts:
   #      - chart-example.local
 
-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
-  # requests:
-#   cpu: 100m
-#   memory: 128Mi
+resources: {}
 
 autoscaling:
   enabled: false