From b860c69fd7a7bc641ff7a2b0a7390af32b8d40f7 Mon Sep 17 00:00:00 2001
From: Dennis Zhang <dennis.zhang.nrg@gmail.com>
Date: Sat, 5 Sep 2020 19:51:58 -0700
Subject: [PATCH] Add initContainer to check for postgres up

---
 kubernetes/templates/deployment.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/kubernetes/templates/deployment.yaml b/kubernetes/templates/deployment.yaml
index eec407b0..d63747a7 100644
--- a/kubernetes/templates/deployment.yaml
+++ b/kubernetes/templates/deployment.yaml
@@ -23,6 +23,13 @@ spec:
         runAsUser: {{ .Values.securityContext.runAsUser }}
         runAsGroup: {{ .Values.securityContext.runAsGroup }}
         fsGroup: {{ .Values.securityContext.fsGroup }}
+      initContainers:
+        - name: wait-for-postgresql
+          image: postgres
+          args:
+          - /bin/sh
+          - -c
+          - until pg_isready -h {{ .Values.config.db.host }} -p {{ .Values.config.db.port }} -U {{ .Values.config.db.port }}; do echo waiting for database; sleep 2; done;
       containers:
       - name: {{ .Chart.Name }}
         image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"