{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "name": {
      "defaultValue": null,
      "type": "string",
      "minLength": 5,
      "maxLength": 63,
      "metadata": {
        "description": "Unique name for the deployment, used for Postgres Server, Hasura and DNS label."
      }
    },
    "postgresVersion": {
      "type": "string",
      "defaultValue": "11",
      "allowedValues": [
        "11",
        "10",
        "9.6",
        "9.5"
      ],
      "metadata": {
        "description": "Version of PostgreSQL Server to be provisioned."
      }
    },
    "postgresPricingTier": {
      "type": "string",
      "allowedValues": [
        "Basic",
        "GeneralPurpose",
        "MemoryOptimized"
      ],
      "defaultValue": "GeneralPurpose",
      "metadata": {
        "description": "Azure database for PostgreSQL pricing tier."
      }
    },
    "postgresCPUCores": {
      "type": "int",
      "allowedValues": [
        2,
        4,
        8,
        16,
        32
      ],
      "defaultValue": 2,
      "metadata": {
        "description": "Azure database for PostgreSQL SKU capacity - number of cores."
      }
    },
    "postgresDiskSizeInMB": {
      "type": "int",
      "minValue": 5120,
      "maxValue": 4194304,
      "defaultValue": 10240,
      "metadata": {
        "description": "Azure database for PostgreSQL SKU storage size."
      }
    },
    "postgresAdminUsername": {
      "type": "string",
      "defaultValue": "hasura",
      "minLength": 4,
      "maxLength": 128,
      "metadata": {
        "description": "Administrator username for Postgres."
      }
    },
    "postgresAdminPassword": {
      "type": "securestring",
      "defaultValue": null,
      "minLength": 8,
      "maxLength": 128,
      "metadata": {
        "description": "Administrator password for Postgres. Must be at least 8 characters in length, must contain characters from three of the following categories – English uppercase letters, English lowercase letters, numbers (0-9), and non-alphanumeric characters (!, $, #, %, etc.)."
      }
    },
    "postgresDatabaseName": {
      "type": "string",
      "defaultValue": "hasura",
      "minLength": 4,
      "maxLength": 128,
      "metadata": {
        "description": "Name of the database to be created."
      }
    }
  },
  "variables": {
    "serverName": "[concat(parameters('name'), '-pg-server')]",
    "adminUser": "[parameters('postgresAdminUsername')]",
    "adminPassword": "[parameters('postgresAdminPassword')]",
    "dbName": "[parameters('postgresDatabaseName')]",
    "dbSKUTier": "[parameters('postgresPricingTier')]",
    "dbSKUCapacity": "[parameters('postgresCPUCores')]",
    "dbSKUSizeInMB": "[parameters('postgresDiskSizeInMB')]",
    "firewallRuleName": "allow-all-azure-firewall-rule",
    "containerGroupName": "[concat(parameters('name'), '-container-group')]",
    "containerName": "hasura-graphql-engine",
    "containerImage": "hasura/graphql-engine:v1.4.0-alpha.1"
  },
  "resources": [
    {
      "name": "[variables('serverName')]",
      "location": "[resourceGroup().location]",
      "type": "Microsoft.DBforPostgreSQL/servers",
      "apiVersion": "2017-12-01",
      "properties": {
        "createMode": "Default",
        "version": "[parameters('postgresVersion')]",
        "administratorLogin": "[variables('adminUser')]",
        "administratorLoginPassword": "[variables('adminPassword')]",
        "storageProfile": {
          "storageMB": "[variables('dbSKUSizeInMB')]"
        }
      },
      "sku": {
        "name": "[concat(if(equals(variables('dbSKUTier'), 'Basic'), 'B', if(equals(variables('dbSKUTier'), 'GeneralPurpose'), 'GP', if(equals(variables('dbSKUTier'), 'MemoryOptimized'), 'MO', 'X'))), '_Gen5_', variables('dbSKUCapacity') )]",
        "tier": "[variables('dbSKUTier')]",
        "capacity": "[variables('dbSKUCapacity')]",
        "size": "[variables('dbSKUSizeInMB')]",
        "family": "Gen5"
      },
      "resources": [
        {
          "name": "[variables('dbName')]",
          "type": "databases",
          "apiVersion": "2017-12-01",
          "properties": {
            "charset": "UTF8",
            "collation": "English_United States.1252"
          },
          "dependsOn": [
            "[resourceId('Microsoft.DBforPostgreSQL/servers', variables('serverName'))]"
          ]
        },
        {
          "type": "firewallRules",
          "name": "[variables('firewallRuleName')]",
          "apiVersion": "2017-12-01",
          "properties": {
            "startIpAddress": "0.0.0.0",
            "endIpAddress": "0.0.0.0"
          },
          "dependsOn": [
            "[resourceId('Microsoft.DBforPostgreSQL/servers', variables('serverName'))]"
          ]

        }
      ]
    },
    {
      "type": "Microsoft.ContainerInstance/containerGroups",
      "name": "[variables('containerGroupName')]",
      "apiVersion": "2018-10-01",
      "location": "[resourceGroup().location]",
      "properties": {
        "containers": [
          {
            "name": "[variables('containerName')]",
            "properties": {
              "image": "[variables('containerImage')]",
              "ports": [
                {
                  "protocol": "TCP",
                  "port": 80
                }
              ],
              "command": [
                "graphql-engine",
                "--host",
                "[reference(resourceId('Microsoft.DBforPostgreSQL/servers', variables('serverName'))).fullyQualifiedDomainName]",
                "--port",
                "5432",
                "--user",
                "[concat(variables('adminUser'), '@', variables('serverName'))]",
                "--password",
                "[variables('adminPassword')]",
                "--dbname",
                "[variables('dbName')]",
                "serve",
                "--server-port",
                "80",
                "--enable-console",
                "--dev-mode"
              ],
              "resources": {
                "requests": {
                  "memoryInGB": 1,
                  "cpu": 1
                }
              }
            }
          }
        ],
        "restartPolicy": "Always",
        "ipAddress": {
          "ports": [
            {
              "protocol": "TCP",
              "port": 80
            }
          ],
          "type": "Public",
          "dnsNameLabel": "[parameters('name')]"
        },
        "osType": "Linux"
      },
      "dependsOn": [
        "[resourceId('Microsoft.DBforPostgreSQL/servers', variables('serverName'))]"
      ]
    }
  ],
  "outputs": {
    "fqdn": {
      "value": "[reference(resourceId('Microsoft.ContainerInstance/containerGroups', variables('containerGroupName'))).ipAddress.fqdn]",
      "type": "string"
    },
    "ipaddress": {
      "value": "[reference(resourceId('Microsoft.ContainerInstance/containerGroups', variables('containerGroupName'))).ipAddress.ip]",
      "type": "string"
    }
  }
}