Add initial PostgreSQL and pgAdmin services with Nomad configuration

2-nomad-config/pgadmin.nomad.hcl

@@ -0,0 +1,97 @@
+job "pgadmin" {
+  group "pgadmin" {
+    service {
+      connect {
+        sidecar_service {
+          proxy {
+            upstreams {
+              destination_name = "postgres"
+              local_bind_port  = 5432
+            }
+          }
+        }
+      }
+    }
+
+    network {
+      mode = "bridge"
+      port "http" {
+        to = 80
+      }
+    }
+
+    task "pgadmin" {
+      driver = "docker"
+
+      config {
+        image = "dpage/pgadmin4:latest"
+        ports = ["http"]
+
+        volumes = [
+          "local/servers.json:/pgadmin4/servers.json",
+          "secrets/.pgpass:/home/.pgpass"
+        ]
+      }
+
+      env = {
+        PGADMIN_DEFAULT_EMAIL    = "othrayte@gmail.com"
+        PGADMIN_DEFAULT_PASSWORD = "admin"
+        PGADMIN_CONFIG_WTF_CSRF_ENABLED = "False"
+        PGADMIN_CONFIG_WTF_CSRF_CHECK_DEFAULT = "False"
+        PGADMIN_CONFIG_ENHANCED_COOKIE_PROTECTION = "False"
+        PGADMIN_CONFIG_SERVER_MODE = "False"
+        PGADMIN_CONFIG_MASTER_PASSWORD_REQUIRED = "False"
+      }
+
+      resources {
+        cpu    = 500
+        memory = 256
+      }
+
+      service {
+        name = "pgadmin"
+        port = "http"
+
+        tags = [
+          "traefik.enable=true",
+          "traefik.http.routers.pgadmin.middlewares=auth@file",
+        ]
+
+        check {
+          type     = "http"
+          path     = "/"
+          interval = "10s"
+          timeout  = "2s"
+        }
+      }
+
+      template {
+        data = <<EOF
+{
+  "Servers": {
+    "1": {
+      "Group": "Servers",
+      "Name": "postgres",
+      "Host": "localhost",
+      "Port": 5432,
+      "MaintenanceDB": "postgres",
+      "Username": "postgres",
+      "PassFile": "/home/.pgpass"
+    }
+  }
+}
+EOF
+        destination = "local/servers.json"
+      }
+
+      template {
+        data = <<EOF
+localhost:5432:*:postgres:{{ with nomadVar "nomad/jobs/postgres" }}{{ .postgress_password }}{{ end }}
+EOF
+        destination = "secrets/.pgpass"
+        perms = "0400"
+        uid = 5050 # pgadmin
+      }
+    }
+  }
+}