add postgress backup job

nomad-job/backup-postgress.nomad

@@ -0,0 +1,53 @@
+
+job "backup-postgress" {
+  datacenters = ["homelab"]
+  priority    = 50
+  type        = "batch"
+  meta {
+    forcedeploy = "0"
+  }
+
+  constraint {
+    attribute = "${attr.cpu.arch}"
+    value     = "amd64"
+  }
+  periodic {
+    cron             = "0 3 * * *"
+    prohibit_overlap = true
+  }
+  group "backup-postgress" {
+    network {
+      mode = "host"
+    }
+    vault {
+      policies = ["access-tables"]
+    }
+    task "backup" {
+      driver = "docker"
+      service {
+        name = "backup-postgress"
+      }
+      config {
+        image = "ducampsv/docker-backup-postgres:latest"
+        volumes = [
+          "/mnt/diskstation/git/backup/postgres:/backup"
+        ]
+      }
+      template {
+        data        = <<EOH
+          {{ with secret "secrets/data/database/dump"}}
+          PGUSER = "dump"
+          PGPASSWORD = "{{ .Data.data.password }}"
+          PGHOST = "db1.ducamps.win"
+          {{end}}
+          EOH
+        destination = "secrets/secrets.env"
+        env         = true
+      }
+      resources {
+        memory = 25
+      }
+    }
+
+  }
+}