diff --git a/index/generator/schema/schema.go b/index/generator/schema/schema.go
index adeb72a72..21c5db9ab 100644
--- a/index/generator/schema/schema.go
+++ b/index/generator/schema/schema.go
@@ -9,7 +9,6 @@ Sample index file:
 [
   {
     "name": "java-maven",
-    "version": "1.1.0",
     "displayName": "Maven Java",
     "description": "Upstream Maven and OpenJDK 11",
     "type": "stack",
@@ -17,34 +16,78 @@ Sample index file:
       "Java",
       "Maven"
     ],
+    "architectures": [
+      "amd64",
+      "arm64",
+      "s390x"
+    ],
     "projectType": "maven",
     "language": "java",
-    "links": {
-      "self": "devfile-catalog/java-maven:latest"
-    },
-    "resources": [
-      "devfile.yaml"
-    ],
-    "starterProjects": [
-      "springbootproject"
+    "versions": [
+      {
+        "version": "1.1.0",
+        "schemaVersion": "2.1.0",
+        "default": true,
+        "description": "Upstream Maven and OpenJDK 11",
+        "tags": [
+          "Java",
+          "Maven"
+        ],
+        "architectures": [
+          "amd64",
+          "arm64",
+          "s390x"
+        ],
+        "links": {
+          "self": "devfile-catalog/java-maven:1.1.0"
+        },
+        "resources": [
+          "devfile.yaml"
+        ],
+        "starterProjects": [
+          "springbootproject"
+        ]
+      }
     ]
   },
   {
-    "name": "java-openliberty",
-    "version": "0.5.0",
-    "displayName": "Open Liberty",
-    "description": "Java application stack using Open Liberty runtime",
+    "name": "java-quarkus",
+    "displayName": "Quarkus Java",
+    "description": "Quarkus with Java",
     "type": "stack",
-    "projectType": "docker",
-    "language": "java",
-    "links": {
-      "self": "devfile-catalog/java-openliberty:latest"
-    },
-    "resources": [
-      "devfile.yaml"
+    "tags": [
+      "Java",
+      "Quarkus"
+    ],
+    "architectures": [
+      "amd64"
     ],
-    "starterProjects": [
-      "user-app"
+    "projectType": "quarkus",
+    "language": "java",
+    "versions": [
+      {
+        "version": "1.1.0",
+        "schemaVersion": "2.0.0",
+        "default": true,
+        "description": "Quarkus with Java",
+        "tags": [
+          "Java",
+          "Quarkus"
+        ],
+        "architectures": [
+          "amd64"
+        ],
+        "links": {
+          "self": "devfile-catalog/java-quarkus:1.1.0"
+        },
+        "resources": [
+          "devfile.yaml"
+        ],
+        "starterProjects": [
+          "community",
+          "redhat-product"
+        ]
+      }
     ]
   }
 ]
@@ -68,6 +111,7 @@ resources: []string - The file resources that compose a devfile stack.
 starterProjects: string[] - The project templates that can be used in the devfile
 git: *git - The information of remote repositories
 provider: string - The devfile provider information
+versions: []Version - The list of stack versions information
 */
 
 // Schema is the index file schema
@@ -90,6 +134,7 @@ type Schema struct {
 	Git               *Git                   `yaml:"git,omitempty" json:"git,omitempty"`
 	Provider          string                 `yaml:"provider,omitempty" json:"provider,omitempty"`
 	SupportUrl        string                 `yaml:"supportUrl,omitempty" json:"supportUrl,omitempty"`
+	Versions          []Version              `yaml:"versions,omitempty" json:"versions,omitempty"`
 }
 
 // DevfileType describes the type of devfile
@@ -112,11 +157,16 @@ type StarterProject struct {
 type Devfile struct {
 	Meta            Schema           `yaml:"metadata,omitempty" json:"metadata,omitempty"`
 	StarterProjects []StarterProject `yaml:"starterProjects,omitempty" json:"starterProjects,omitempty"`
+	SchemaVersion   string			  `yaml:"schemaVersion,omitempty" json:"schemaVersion,omitempty"`
 }
 
 // Git stores the information of remote repositories
 type Git struct {
-	Remotes map[string]string `yaml:"remotes,omitempty" json:"remotes,omitempty"`
+	Remotes 	map[string]string 		`yaml:"remotes,omitempty" json:"remotes,omitempty"`
+	Url			string                 	`yaml:"url,omitempty" json:"url,omitempty"`
+	RemoteName  string 					`yaml:"remoteName,omitempty" json:"remoteName,omitempty"`
+	SubDir		string                 	`yaml:"subDir,omitempty" json:"subDir,omitempty"`
+	Revision	string                 	`yaml:"revision,omitempty" json:"revision,omitempty"`
 }
 
 // ExtraDevfileEntries is the extraDevfileEntries structure that is used by index component
@@ -124,3 +174,27 @@ type ExtraDevfileEntries struct {
 	Samples []Schema `yaml:"samples,omitempty" json:"samples,omitempty"`
 	Stacks  []Schema `yaml:"stacks,omitempty" json:"stacks,omitempty"`
 }
+
+// Version stores the top-level stack information defined within stack.yaml
+type StackInfo struct {
+	Name              string                 `yaml:"name,omitempty" json:"name,omitempty"`
+	DisplayName       string                 `yaml:"displayName,omitempty" json:"displayName,omitempty"`
+	Description       string                 `yaml:"description,omitempty" json:"description,omitempty"`
+	Icon              string                 `yaml:"icon,omitempty" json:"icon,omitempty"`
+	Versions          []Version              `yaml:"versions,omitempty" json:"versions,omitempty"`
+}
+
+// Version stores the information for each stack version
+type Version struct {
+	Version			  string				 `yaml:"version,omitempty" json:"version,omitempty"`
+	SchemaVersion	  string				 `yaml:"schemaVersion,omitempty" json:"schemaVersion,omitempty"`
+	Default			  bool					 `yaml:"default,omitempty" json:"default,omitempty"`
+	Git				  *Git                	 `yaml:"git,omitempty" json:"git,omitempty"`
+	Description       string                 `yaml:"description,omitempty" json:"description,omitempty"`
+	Tags              []string               `yaml:"tags,omitempty" json:"tags,omitempty"`
+	Architectures     []string               `yaml:"architectures,omitempty" json:"architectures,omitempty"`
+	Icon              string                 `yaml:"icon,omitempty" json:"icon,omitempty"`
+	Links             map[string]string      `yaml:"links,omitempty" json:"links,omitempty"`
+	Resources         []string               `yaml:"resources,omitempty" json:"resources,omitempty"`
+	StarterProjects   []string               `yaml:"starterProjects,omitempty" json:"starterProjects,omitempty"`
+}
\ No newline at end of file