(feat) move postgresql init and password-generator to common (#1113)

* Move Postgresql initcontainer to common

* bump common

* Handle postgres password generation in common and inject into values.yaml for use in Apps

* (refactor) adapt apps using postgresql to common init and password generator

* no message

charts/stable/authelia/values.yaml

@@ -5,11 +5,6 @@ image:
   pullPolicy: IfNotPresent
   tag: 4.31.0@sha256:6036f2b1fa3214fdcf189a8f28f40a856372413984b08f15ba4fb5891d77bc0a
 
-postgresqlImage:
-  repository: bitnami/postgresql
-  pullPolicy: IfNotPresent
-  tag: 13.4.0@sha256:e7526fc32deec708740784d907bcea2ef6c78bc5ab5265026eff96e70082a54a
-
 command: ["authelia"]
 args: ["--config=/configuration.yaml"]
 
@@ -21,21 +16,6 @@ service:
       main:
         port: 9091
 
-initContainers:
-  init-postgresdb:
-    image: "{{ .Values.postgresqlImage.repository}}:{{ .Values.postgresqlImage.tag }}"
-    command:
-      - "sh"
-      - "-c"
-      - "until pg_isready -U authelia -h ${pghost} ; do sleep 2 ; done"
-    imagePullPolicy: IfNotPresent
-    env:
-      - name: pghost
-        valueFrom:
-          secretKeyRef:
-            name: dbcreds
-            key: plainhost
-
 persistence:
   config:
     enabled: true
@@ -56,7 +36,6 @@ postgresql:
   enabled: true
   postgresqlUsername: authelia
   postgresqlDatabase: authelia
-  existingSecret: dbcreds
 
 # Enabled redis
 # ... for more options see https://github.com/bitnami/charts/tree/master/bitnami/redis