Fixing PostgreSQL and SMTP configuration

.gitignore

@@ -1,2 +1,3 @@
 *.swp
 *.tar.gz
+mailman3/charts/*

mailman3/templates/web.yaml

@@ -70,13 +70,13 @@ spec:
             - name: SMTP_HOST
               value: {{ .Values.smtp.host }}
             - name: SMTP_PORT
-              value: {{ .Values.smtp.port }}
+              value: "{{ .Values.smtp.port }}"
             - name: SMTP_HOST_USER
               value: {{ .Values.smtp.host_user }}
             - name: SMTP_HOST_PASSWORD
               value: {{ .Values.smtp.host_password }}
             - name: SMTP_USE_TLS
-              value: {{ .Values.smtp.use_tls }}
+              value: "{{ .Values.smtp.use_tls }}"
             {{- else }}
             - name: SMTP_HOST
               value: {{ include "mailman3.fullname" . }}-core.{{ .Release.Namespace }}.svc.{{ $clusterDomain }}