diff --git a/site/site/public/schemas/fly.toml.json b/site/site/public/schemas/fly.toml.json
index 09433fe9d..90efeba7a 100644
--- a/site/site/public/schemas/fly.toml.json
+++ b/site/site/public/schemas/fly.toml.json
@@ -8,6 +8,66 @@
   },
   "type": "object",
   "properties": {
+    "vm": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "size": {
+            "type": "string",
+            "enum": [
+              "shared-cpu-1x",
+              "shared-cpu-2x",
+              "shared-cpu-4x",
+              "shared-cpu-8x",
+              "performance-1x",
+              "performance-2x",
+              "performance-4x",
+              "performance-8x",
+              "performance-16x"
+            ]
+          },
+          "memory": {
+            "oneOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "integer"
+              }
+            ]
+          },
+          "cpus": {
+            "type": "integer",
+            "enum": [1, 2, 4, 8, 16]
+          },
+          "cpu_kind": {
+            "type": "string",
+            "enum": ["shared", "performance"]
+          },
+          "gpus": {
+            "type": "integer",
+            "enum": [1, 2, 4, 8]
+          },
+          "gpu_kind": {
+            "type": "string",
+            "enum": ["a10", "a100-40gb", "a100-80gb", "l40s"]
+          },
+          "kernel_args": {
+            "type": "string"
+          },
+          "host_dedication_id": {
+            "type": "string"
+          },
+          "processes": {
+            "type": "array",
+            "items": {
+              "type": "string"
+            }
+          }
+        }
+      }
+    },
     "app": {
       "description": "Fly.io application name",
       "type": "string"
@@ -79,30 +139,30 @@
           "concurrency": {
             "type": "object",
             "description": "Control autoscaling metrics (connections or requests) and limits (hard and soft).",
-              "properties": {
-                "type": {
-                  "type": "string",
-                  "default": "connections",
-                  "x-taplo": {
-                    "docs": {
-                      "enumValues": [
-                        "Autoscale based on number of concurrent connections",
-                        "Autoscale based on number of concurrent requests"
-                      ]
-                    }
-                  },
-                  "enum": ["connections", "requests"]
-                },
-                "hard_limit": {
-                  "default": 25,
-                  "type": "integer",
-                  "description": "When an application instance is __at__ or __over__ this number, the system will bring up another instance."
+            "properties": {
+              "type": {
+                "type": "string",
+                "default": "connections",
+                "x-taplo": {
+                  "docs": {
+                    "enumValues": [
+                      "Autoscale based on number of concurrent connections",
+                      "Autoscale based on number of concurrent requests"
+                    ]
+                  }
                 },
-                "soft_limit": {
-                  "default": 20,
-                  "type": "integer",
-                  "description": "When an application instance is __at__ or __over__ this number, the system is likely to bring up another instance."
-                }
+                "enum": ["connections", "requests"]
+              },
+              "hard_limit": {
+                "default": 25,
+                "type": "integer",
+                "description": "When an application instance is __at__ or __over__ this number, the system will bring up another instance."
+              },
+              "soft_limit": {
+                "default": 20,
+                "type": "integer",
+                "description": "When an application instance is __at__ or __over__ this number, the system is likely to bring up another instance."
+              }
             }
           },
           "ports": {