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diff --git a/helm/infrastructure/subcharts/kong/charts/postgresql/charts/common/templates/_secrets.tpl b/helm/infrastructure/subcharts/kong/charts/postgresql/charts/common/templates/_secrets.tpl
new file mode 100644
index 0000000..fa18f73
--- /dev/null
+++ b/helm/infrastructure/subcharts/kong/charts/postgresql/charts/common/templates/_secrets.tpl
@@ -0,0 +1,140 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Generate secret name.
+
+Usage:
+{{ include "common.secrets.name" (dict "existingSecret" .Values.path.to.the.existingSecret "defaultNameSuffix" "mySuffix" "context" $) }}
+
+Params:
+  - existingSecret - ExistingSecret/String - Optional. The path to the existing secrets in the values.yaml given by the user
+    to be used instead of the default one. Allows for it to be of type String (just the secret name) for backwards compatibility.
+    +info: https://github.com/bitnami/charts/tree/main/bitnami/common#existingsecret
+  - defaultNameSuffix - String - Optional. It is used only if we have several secrets in the same deployment.
+  - context - Dict - Required. The context for the template evaluation.
+*/}}
+{{- define "common.secrets.name" -}}
+{{- $name := (include "common.names.fullname" .context) -}}
+
+{{- if .defaultNameSuffix -}}
+{{- $name = printf "%s-%s" $name .defaultNameSuffix | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- with .existingSecret -}}
+{{- if not (typeIs "string" .) -}}
+{{- with .name -}}
+{{- $name = . -}}
+{{- end -}}
+{{- else -}}
+{{- $name = . -}}
+{{- end -}}
+{{- end -}}
+
+{{- printf "%s" $name -}}
+{{- end -}}
+
+{{/*
+Generate secret key.
+
+Usage:
+{{ include "common.secrets.key" (dict "existingSecret" .Values.path.to.the.existingSecret "key" "keyName") }}
+
+Params:
+  - existingSecret - ExistingSecret/String - Optional. The path to the existing secrets in the values.yaml given by the user
+    to be used instead of the default one. Allows for it to be of type String (just the secret name) for backwards compatibility.
+    +info: https://github.com/bitnami/charts/tree/main/bitnami/common#existingsecret
+  - key - String - Required. Name of the key in the secret.
+*/}}
+{{- define "common.secrets.key" -}}
+{{- $key := .key -}}
+
+{{- if .existingSecret -}}
+  {{- if not (typeIs "string" .existingSecret) -}}
+    {{- if .existingSecret.keyMapping -}}
+      {{- $key = index .existingSecret.keyMapping $.key -}}
+    {{- end -}}
+  {{- end }}
+{{- end -}}
+
+{{- printf "%s" $key -}}
+{{- end -}}
+
+{{/*
+Generate secret password or retrieve one if already created.
+
+Usage:
+{{ include "common.secrets.passwords.manage" (dict "secret" "secret-name" "key" "keyName" "providedValues" (list "path.to.password1" "path.to.password2") "length" 10 "strong" false "chartName" "chartName" "context" $) }}
+
+Params:
+  - secret - String - Required - Name of the 'Secret' resource where the password is stored.
+  - key - String - Required - Name of the key in the secret.
+  - providedValues - List<String> - Required - The path to the validating value in the values.yaml, e.g: "mysql.password". Will pick first parameter with a defined value.
+  - length - int - Optional - Length of the generated random password.
+  - strong - Boolean - Optional - Whether to add symbols to the generated random password.
+  - chartName - String - Optional - Name of the chart used when said chart is deployed as a subchart.
+  - context - Context - Required - Parent context.
+
+The order in which this function returns a secret password:
+  1. Already existing 'Secret' resource
+     (If a 'Secret' resource is found under the name provided to the 'secret' parameter to this function and that 'Secret' resource contains a key with the name passed as the 'key' parameter to this function then the value of this existing secret password will be returned)
+  2. Password provided via the values.yaml
+     (If one of the keys passed to the 'providedValues' parameter to this function is a valid path to a key in the values.yaml and has a value, the value of the first key with a value will be returned)
+  3. Randomly generated secret password
+     (A new random secret password with the length specified in the 'length' parameter will be generated and returned)
+
+*/}}
+{{- define "common.secrets.passwords.manage" -}}
+
+{{- $password := "" }}
+{{- $subchart := "" }}
+{{- $chartName := default "" .chartName }}
+{{- $passwordLength := default 10 .length }}
+{{- $providedPasswordKey := include "common.utils.getKeyFromList" (dict "keys" .providedValues "context" $.context) }}
+{{- $providedPasswordValue := include "common.utils.getValueFromKey" (dict "key" $providedPasswordKey "context" $.context) }}
+{{- $secretData := (lookup "v1" "Secret" $.context.Release.Namespace .secret).data }}
+{{- if $secretData }}
+  {{- if hasKey $secretData .key }}
+    {{- $password = index $secretData .key | quote }}
+  {{- else }}
+    {{- printf "\nPASSWORDS ERROR: The secret \"%s\" does not contain the key \"%s\"\n" .secret .key | fail -}}
+  {{- end -}}
+{{- else if $providedPasswordValue }}
+  {{- $password = $providedPasswordValue | toString | b64enc | quote }}
+{{- else }}
+
+  {{- if .context.Values.enabled }}
+    {{- $subchart = $chartName }}
+  {{- end -}}
+
+  {{- $requiredPassword := dict "valueKey" $providedPasswordKey "secret" .secret "field" .key "subchart" $subchart "context" $.context -}}
+  {{- $requiredPasswordError := include "common.validations.values.single.empty" $requiredPassword -}}
+  {{- $passwordValidationErrors := list $requiredPasswordError -}}
+  {{- include "common.errors.upgrade.passwords.empty" (dict "validationErrors" $passwordValidationErrors "context" $.context) -}}
+
+  {{- if .strong }}
+    {{- $subStr := list (lower (randAlpha 1)) (randNumeric 1) (upper (randAlpha 1)) | join "_" }}
+    {{- $password = randAscii $passwordLength }}
+    {{- $password = regexReplaceAllLiteral "\\W" $password "@" | substr 5 $passwordLength }}
+    {{- $password = printf "%s%s" $subStr $password | toString | shuffle | b64enc | quote }}
+  {{- else }}
+    {{- $password = randAlphaNum $passwordLength | b64enc | quote }}
+  {{- end }}
+{{- end -}}
+{{- printf "%s" $password -}}
+{{- end -}}
+
+{{/*
+Returns whether a previous generated secret already exists
+
+Usage:
+{{ include "common.secrets.exists" (dict "secret" "secret-name" "context" $) }}
+
+Params:
+  - secret - String - Required - Name of the 'Secret' resource where the password is stored.
+  - context - Context - Required - Parent context.
+*/}}
+{{- define "common.secrets.exists" -}}
+{{- $secret := (lookup "v1" "Secret" $.context.Release.Namespace .secret) }}
+{{- if $secret }}
+  {{- true -}}
+{{- end -}}
+{{- end -}}