Use [[ .vault.database.instance ]]

example/miniflux.nomad.hcl

@@ -91,7 +91,7 @@ job "miniflux" {
         type     = "http"
         path     = "/healthcheck"
         expose   = true
-        interval = "30s"
+        interval = "20s"
         timeout  = "5s"
 
         check_restart {
@@ -351,10 +351,11 @@ _EOT
 set -euo pipefail
 PAUSE=yes
 
+# Following service postgres status
 {{- range $index, $instance := service "postgres|passing,warning" }}
 # Instance {{ $index }}: {{ $instance.Address }}:{{ $instance.Port }} has tags {{ $instance.Tags | join "," }}
   {{- if $instance.Tags | contains "primary" }}
-# Disable pause mode as instance {{ $instance.Address }} is primary
+# Disable pause mode as instance {{ $instance.Address }}:{{ $instance.Port }} is primary
 PAUSE=no
   {{- end }}
 {{- end }}

vault/policies/miniflux.hcl

@@ -1,7 +1,7 @@
 path "[[ .vault.root ]]kv/data/service/[[ .instance ]]" {
   capabilities = ["read"]
 }
-path "[[ .vault.root ]]database/creds/postgres-[[ .vault.database.role ]]" {
+path "[[ .vault.root ]]database/creds/[[ .vault.database.instance ]]-[[ .vault.database.role ]]" {
   capabilities = ["read"]
 }
 [[ template "common/vault.kv_proxy_policy" merge .miniflux . ]]