Enhance FerretDB healtcheck during initialization (#437)

Signed-off-by: Andrei Kvapil <kvapss@gmail.com>

Signed-off-by: Andrei Kvapil <kvapss@gmail.com>

packages/apps/ferretdb/Chart.yaml

@@ -16,7 +16,7 @@ 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: 0.4.0
+version: 0.4.1
 
 # 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

packages/apps/ferretdb/templates/init-script.yaml

@@ -34,6 +34,9 @@ stringData:
   init.sh: |
     #!/bin/bash
     set -e
+
+    until pg_isready ; do sleep 5; done
+
     echo "== create users"
     {{- if .Values.users }}
     psql -v ON_ERROR_STOP=1 <<\EOT

packages/apps/versions_map

@@ -10,7 +10,8 @@ ferretdb 0.1.0 4ffa8615
 ferretdb 0.1.1 5ca8823
 ferretdb 0.2.0 adaf603
 ferretdb 0.3.0 aa2f553
-ferretdb 0.4.0 HEAD
+ferretdb 0.4.0 def2eb0f
+ferretdb 0.4.1 HEAD
 http-cache 0.1.0 a956713
 http-cache 0.2.0 5ca8823
 http-cache 0.3.0 fab5940