Add init container to check Postgres is ready

templates/deployment.yaml

@@ -42,6 +42,24 @@ spec:
       # Pod-level security context - runs as non-root user for security
       securityContext:
         {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      {{- if and .Values.postgresql.enabled .Values.initContainers.waitForPostgres.enabled }}
+      # Init container waits for PostgreSQL to be ready before starting Inngest
+      initContainers:
+        - name: wait-for-postgres
+          image: "{{ .Values.initContainers.waitForPostgres.image.repository }}:{{ .Values.initContainers.waitForPostgres.image.tag | default .Values.postgresql.image.tag }}"
+          command:
+            - sh
+            - -c
+            - |
+              echo "Waiting for PostgreSQL to be ready..."
+              until pg_isready -h {{ include "inngest.postgresql.fullname" . }} -p {{ .Values.postgresql.service.port }} -U {{ .Values.postgresql.auth.username }} -d {{ .Values.postgresql.auth.database }}; do
+                echo "PostgreSQL is not ready yet. Retrying in 2 seconds..."
+                sleep 2
+              done
+              echo "PostgreSQL is ready!"
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+      {{- end }}
       containers:
         # Main Inngest application container
         - name: {{ .Chart.Name }}

values.yaml

@@ -73,6 +73,16 @@ ingress:
       hosts:
         - chart-example.local # Change to your domain
 
+# Init container to wait for PostgreSQL to be ready before starting Inngest
+# Only applies when postgresql.enabled is true (internal PostgreSQL)
+# For external PostgreSQL, ensure your database is available before deploying
+initContainers:
+  waitForPostgres:
+    enabled: true # Set to false to disable the init container
+    image:
+      repository: postgres
+      tag: "" # Uses postgresql.image.tag by default for consistency
+
 # Liveness probe configuration for the main Inngest container
 # Increase initialDelaySeconds when connecting to external databases that take longer to initialize
 livenessProbe: