diff --git a/packages/extra/bootbox/Makefile b/packages/extra/bootbox/Makefile
index c8138e11..f14160d1 100644
--- a/packages/extra/bootbox/Makefile
+++ b/packages/extra/bootbox/Makefile
@@ -4,8 +4,4 @@ NAMESPACE=tenant-root
 include ../../../scripts/package.mk
 
 generate:
-	readme-generator-for-helm -v values.yaml -s values.schema.json.tmp -r README.md
-	cat values.schema.json.tmp | \
-		jq '.properties.machines.items.type = "object"' \
-		> values.schema.json
-	rm -f values.schema.json.tmp
+	cozyvalues-gen -v values.yaml -s values.schema.json -r README.md
diff --git a/packages/extra/bootbox/README.md b/packages/extra/bootbox/README.md
index c3f25b32..6b8a19ff 100644
--- a/packages/extra/bootbox/README.md
+++ b/packages/extra/bootbox/README.md
@@ -4,8 +4,19 @@
 
 ### Common parameters
 
-| Name            | Description                                           | Value  |
-| --------------- | ----------------------------------------------------- | ------ |
-| `whitelistHTTP` | Secure HTTP by enabling  client networks whitelisting | `true` |
-| `whitelist`     | List of client networks                               | `[]`   |
-| `machines`      | Configuration of physical machine instances           | `[]`   |
+| Name                      | Description                                          | Type        | Value   |
+| ------------------------- | ---------------------------------------------------- | ----------- | ------- |
+| `whitelistHTTP`           | Secure HTTP by enabling client networks whitelisting | `bool`      | `true`  |
+| `whitelist`               | List of client networks                              | `[]*string` | `[]`    |
+| `machines`                | Configuration of physical machine instances          | `[]object`  | `[]`    |
+| `machines[i].hostname`    | Hostname                                             | `string`    | `""`    |
+| `machines[i].arch`        | Architecture                                         | `string`    | `""`    |
+| `machines[i].ip.address`  | IP address                                           | `string`    | `""`    |
+| `machines[i].ip.gateway`  | IP gateway                                           | `string`    | `""`    |
+| `machines[i].ip.netmask`  | Netmask                                              | `string`    | `""`    |
+| `machines[i].leaseTime`   | Lease time                                           | `int`       | `0`     |
+| `machines[i].mac`         | MAC addresses                                        | `[]string`  | `[]`    |
+| `machines[i].nameServers` | Name servers                                         | `[]string`  | `[]`    |
+| `machines[i].timeServers` | Time servers                                         | `[]string`  | `[]`    |
+| `machines[i].uefi`        | UEFI                                                 | `bool`      | `false` |
+
diff --git a/packages/extra/bootbox/values.schema.json b/packages/extra/bootbox/values.schema.json
index c62c6c01..0afa8d36 100644
--- a/packages/extra/bootbox/values.schema.json
+++ b/packages/extra/bootbox/values.schema.json
@@ -1,25 +1,95 @@
 {
+  "title": "Chart Values",
+  "type": "object",
   "properties": {
     "machines": {
-      "default": [],
       "description": "Configuration of physical machine instances",
+      "type": "array",
+      "default": [],
       "items": {
-        "type": "object"
-      },
-      "type": "array"
+        "type": "object",
+        "required": [
+          "arch",
+          "hostname",
+          "ip",
+          "leaseTime",
+          "uefi"
+        ],
+        "properties": {
+          "arch": {
+            "description": "Architecture",
+            "type": "string"
+          },
+          "hostname": {
+            "description": "Hostname",
+            "type": "string"
+          },
+          "ip": {
+            "type": "object",
+            "required": [
+              "address",
+              "gateway",
+              "netmask"
+            ],
+            "properties": {
+              "address": {
+                "description": "IP address",
+                "type": "string"
+              },
+              "gateway": {
+                "description": "IP gateway",
+                "type": "string"
+              },
+              "netmask": {
+                "description": "Netmask",
+                "type": "string"
+              }
+            }
+          },
+          "leaseTime": {
+            "description": "Lease time",
+            "type": "integer"
+          },
+          "mac": {
+            "description": "MAC addresses",
+            "type": "array",
+            "items": {
+              "type": "string"
+            }
+          },
+          "nameServers": {
+            "description": "Name servers",
+            "type": "array",
+            "items": {
+              "type": "string"
+            }
+          },
+          "timeServers": {
+            "description": "Time servers",
+            "type": "array",
+            "items": {
+              "type": "string"
+            }
+          },
+          "uefi": {
+            "description": "UEFI",
+            "type": "boolean"
+          }
+        }
+      }
     },
     "whitelist": {
-      "default": [],
       "description": "List of client networks",
-      "items": {},
-      "type": "array"
+      "type": "array",
+      "default": [],
+      "items": {
+        "type": "string"
+      }
     },
     "whitelistHTTP": {
-      "default": true,
-      "description": "Secure HTTP by enabling  client networks whitelisting",
-      "type": "boolean"
+      "description": "Secure HTTP by enabling client networks whitelisting",
+      "type": "boolean",
+      "default": true
     }
-  },
-  "title": "Chart Values",
-  "type": "object"
-}
+  }
+}
\ No newline at end of file
diff --git a/packages/extra/bootbox/values.yaml b/packages/extra/bootbox/values.yaml
index f4d55572..88fa30ed 100644
--- a/packages/extra/bootbox/values.yaml
+++ b/packages/extra/bootbox/values.yaml
@@ -1,7 +1,7 @@
 ## @section Common parameters
 
-## @param whitelistHTTP Secure HTTP by enabling  client networks whitelisting
-## @param whitelist List of client networks
+## @param whitelistHTTP {bool} Secure HTTP by enabling client networks whitelisting
+## @param whitelist {[]*string} List of client networks
 ## Example:
 ## whitelistHTTP: true
 ## whitelist:
@@ -11,7 +11,18 @@
 whitelistHTTP: true
 whitelist: []
 
-## @param machines [array] Configuration of physical machine instances
+## @param machines {[]machine} Configuration of physical machine instances
+## @field machine {machine} Machine configuration
+## @field machine.hostname {string} Hostname
+## @field machine.arch {string} Architecture
+## @field machine.ip.address {string} IP address
+## @field machine.ip.gateway {string} IP gateway
+## @field machine.ip.netmask {string} Netmask
+## @field machine.leaseTime {int} Lease time
+## @field machine.mac {[]string} MAC addresses
+## @field machine.nameServers {[]string} Name servers
+## @field machine.timeServers {[]string} Time servers
+## @field machine.uefi {bool} UEFI
 ##
 ## Example:
 ## machines:
diff --git a/packages/extra/etcd/Makefile b/packages/extra/etcd/Makefile
index 75a9b220..8b8a0a99 100644
--- a/packages/extra/etcd/Makefile
+++ b/packages/extra/etcd/Makefile
@@ -3,4 +3,4 @@ NAME=etcd
 include ../../../scripts/package.mk
 
 generate:
-	readme-generator-for-helm -v values.yaml -s values.schema.json -r README.md
+	cozyvalues-gen -v values.yaml -s values.schema.json -r README.md
diff --git a/packages/extra/etcd/README.md b/packages/extra/etcd/README.md
index 47f952fb..f87cd8ae 100644
--- a/packages/extra/etcd/README.md
+++ b/packages/extra/etcd/README.md
@@ -4,10 +4,10 @@
 
 ### Common parameters
 
-| Name               | Description                         | Value |
-| ------------------ | ----------------------------------- | ----- |
-| `size`             | Persistent Volume size              | `4Gi` |
-| `storageClass`     | StorageClass used to store the data | `""`  |
-| `replicas`         | Number of etcd replicas             | `3`   |
-| `resources.cpu`    | The number of CPU cores allocated   | `4`   |
-| `resources.memory` | The amount of memory allocated      | `1Gi` |
+| Name           | Description                         | Type      | Value                      |
+| -------------- | ----------------------------------- | --------- | -------------------------- |
+| `size`         | Persistent Volume size              | `*string` | `4Gi`                      |
+| `storageClass` | StorageClass used to store the data | `*string` | `""`                       |
+| `replicas`     | Number of etcd replicas             | `*int`    | `3`                        |
+| `resources`    | Resource configuration for etcd     | `*object` | `{"cpu":4,"memory":"1Gi"}` |
+
diff --git a/packages/extra/etcd/values.schema.json b/packages/extra/etcd/values.schema.json
index b2214b10..c5581556 100644
--- a/packages/extra/etcd/values.schema.json
+++ b/packages/extra/etcd/values.schema.json
@@ -1,36 +1,46 @@
 {
-    "properties": {
-        "replicas": {
-            "default": 3,
-            "description": "Number of etcd replicas",
-            "type": "number"
-        },
-        "resources": {
-            "properties": {
-                "cpu": {
-                    "default": 4,
-                    "description": "The number of CPU cores allocated",
-                    "type": "number"
-                },
-                "memory": {
-                    "default": "1Gi",
-                    "description": "The amount of memory allocated",
-                    "type": "string"
-                }
-            },
-            "type": "object"
-        },
-        "size": {
-            "default": "4Gi",
-            "description": "Persistent Volume size",
-            "type": "string"
-        },
-        "storageClass": {
-            "default": "",
-            "description": "StorageClass used to store the data",
-            "type": "string"
-        }
+  "title": "Chart Values",
+  "type": "object",
+  "properties": {
+    "replicas": {
+      "description": "Number of etcd replicas",
+      "type": "integer",
+      "default": 3
     },
-    "title": "Chart Values",
-    "type": "object"
+    "resources": {
+      "description": "Resource configuration for etcd",
+      "type": "object",
+      "default": {
+        "cpu": 4,
+        "memory": "1Gi"
+      },
+      "properties": {
+        "cpu": {
+          "description": "The number of CPU cores allocated",
+          "type": "string",
+          "default": "4",
+          "pattern": "^(\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))))?$",
+          "x-kubernetes-int-or-string": true
+        },
+        "memory": {
+          "description": "The amount of memory allocated",
+          "type": "string",
+          "default": "1Gi",
+          "pattern": "^(\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))))?$",
+          "x-kubernetes-int-or-string": true
+        }
+      }
+    },
+    "size": {
+      "description": "Persistent Volume size",
+      "type": "string",
+      "default": "4Gi",
+      "pattern": "^(\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))))?$",
+      "x-kubernetes-int-or-string": true
+    },
+    "storageClass": {
+      "description": "StorageClass used to store the data",
+      "type": "string"
+    }
+  }
 }
\ No newline at end of file
diff --git a/packages/extra/etcd/values.yaml b/packages/extra/etcd/values.yaml
index f9a147f9..cb3225b0 100644
--- a/packages/extra/etcd/values.yaml
+++ b/packages/extra/etcd/values.yaml
@@ -1,16 +1,16 @@
 ## @section Common parameters
 
-## @param size Persistent Volume size
-## @param storageClass StorageClass used to store the data
-## @param replicas Number of etcd replicas
+## @param size {*quantity} Persistent Volume size
+## @param storageClass {*string} StorageClass used to store the data
+## @param replicas {*int} Number of etcd replicas
 ##
 size: 4Gi
 storageClass: ""
 replicas: 3
 
-## Resources
-## @param resources.cpu The number of CPU cores allocated
-## @param resources.memory The amount of memory allocated
+## @param resources {*resources} Resource configuration for etcd
+## @param resources.cpu {*quantity} The number of CPU cores allocated
+## @param resources.memory {*quantity} The amount of memory allocated
 resources:
   cpu: 4
   memory: 1Gi
diff --git a/packages/extra/ingress/Makefile b/packages/extra/ingress/Makefile
index 6d58669f..4b78cd6d 100644
--- a/packages/extra/ingress/Makefile
+++ b/packages/extra/ingress/Makefile
@@ -8,4 +8,4 @@ get-cloudflare-ips:
 	printf '{{- define "ingress.cloudflare-ips" -}}\n%s,%s\n{{- end }}\n' "$$(curl -s https://www.cloudflare.com/ips-v4/ | tr '\n' ,)" "$$(curl -s https://www.cloudflare.com/ips-v6/ | tr '\n' ,)" > templates/_cloudflare-ips.tpl
 
 generate:
-	readme-generator-for-helm -v values.yaml -s values.schema.json -r README.md
+	cozyvalues-gen -v values.yaml -s values.schema.json -r README.md
diff --git a/packages/extra/ingress/README.md b/packages/extra/ingress/README.md
index 258b5a6a..640fc9da 100644
--- a/packages/extra/ingress/README.md
+++ b/packages/extra/ingress/README.md
@@ -4,8 +4,9 @@
 
 ### Common parameters
 
-| Name             | Description                                                       | Value   |
-| ---------------- | ----------------------------------------------------------------- | ------- |
-| `replicas`       | Number of ingress-nginx replicas                                  | `2`     |
-| `whitelist`      | List of client networks                                           | `[]`    |
-| `clouflareProxy` | Restoring original visitor IPs when Cloudflare proxied is enabled | `false` |
+| Name             | Description                                                       | Type        | Value   |
+| ---------------- | ----------------------------------------------------------------- | ----------- | ------- |
+| `replicas`       | Number of ingress-nginx replicas                                  | `int`       | `2`     |
+| `whitelist`      | List of client networks                                           | `[]*string` | `[]`    |
+| `clouflareProxy` | Restoring original visitor IPs when Cloudflare proxied is enabled | `bool`      | `false` |
+
diff --git a/packages/extra/ingress/values.schema.json b/packages/extra/ingress/values.schema.json
index 04cd22bc..2c942cba 100644
--- a/packages/extra/ingress/values.schema.json
+++ b/packages/extra/ingress/values.schema.json
@@ -1,22 +1,24 @@
 {
-    "properties": {
-        "clouflareProxy": {
-            "default": false,
-            "description": "Restoring original visitor IPs when Cloudflare proxied is enabled",
-            "type": "boolean"
-        },
-        "replicas": {
-            "default": 2,
-            "description": "Number of ingress-nginx replicas",
-            "type": "number"
-        },
-        "whitelist": {
-            "default": [],
-            "description": "List of client networks",
-            "items": {},
-            "type": "array"
-        }
+  "title": "Chart Values",
+  "type": "object",
+  "properties": {
+    "clouflareProxy": {
+      "description": "Restoring original visitor IPs when Cloudflare proxied is enabled",
+      "type": "boolean",
+      "default": false
     },
-    "title": "Chart Values",
-    "type": "object"
+    "replicas": {
+      "description": "Number of ingress-nginx replicas",
+      "type": "integer",
+      "default": 2
+    },
+    "whitelist": {
+      "description": "List of client networks",
+      "type": "array",
+      "default": [],
+      "items": {
+        "type": "string"
+      }
+    }
+  }
 }
\ No newline at end of file
diff --git a/packages/extra/ingress/values.yaml b/packages/extra/ingress/values.yaml
index a5cee834..09be0141 100644
--- a/packages/extra/ingress/values.yaml
+++ b/packages/extra/ingress/values.yaml
@@ -1,15 +1,15 @@
 ## @section Common parameters
 
-## @param replicas Number of ingress-nginx replicas
+## @param replicas {int} Number of ingress-nginx replicas
 ##
 replicas: 2
 
-## @param whitelist List of client networks
+## @param whitelist {[]*string} List of client networks
 ## Example:
 ## whitelist:
 ## - "1.2.3.4"
 ## - "10.100.0.0/16"
 whitelist: []
 
-## @param clouflareProxy Restoring original visitor IPs when Cloudflare proxied is enabled
+## @param clouflareProxy {bool} Restoring original visitor IPs when Cloudflare proxied is enabled
 clouflareProxy: false
diff --git a/packages/extra/monitoring/README.md b/packages/extra/monitoring/README.md
index 7bf4b646..40933c7d 100644
--- a/packages/extra/monitoring/README.md
+++ b/packages/extra/monitoring/README.md
@@ -58,8 +58,8 @@
 | Name                                      | Description                                                                         | Type      | Value   |
 | ----------------------------------------- | ----------------------------------------------------------------------------------- | --------- | ------- |
 | `alerta`                                  | Configuration for Alerta service                                                    | `object`  | `{}`    |
-| `alerta.storage`                          | Persistent Volume size for the database                                             | `string`  | `10Gi`  |
-| `alerta.storageClassName`                 | StorageClass used to store the data                                                 | `string`  | `""`    |
+| `alerta.storage`                          | Persistent Volume size for the database                                             | `*string` | `10Gi`  |
+| `alerta.storageClassName`                 | StorageClass used to store the data                                                 | `*string` | `""`    |
 | `alerta.resources`                        | Resources configuration                                                             | `*object` | `null`  |
 | `alerta.resources.requests`               |                                                                                     | `*object` | `null`  |
 | `alerta.resources.requests.cpu`           | CPU request (minimum available CPU)                                                 | `*string` | `100m`  |
@@ -67,8 +67,8 @@
 | `alerta.resources.limits`                 |                                                                                     | `*object` | `null`  |
 | `alerta.resources.limits.cpu`             | CPU limit (maximum available CPU)                                                   | `*string` | `1`     |
 | `alerta.resources.limits.memory`          | Memory limit (maximum available memory)                                             | `*string` | `1Gi`   |
-| `alerta.alerts`                           | Configuration for alerts                                                            | `object`  | `{}`    |
-| `alerta.alerts.telegram`                  | Configuration for Telegram alerts                                                   | `object`  | `{}`    |
+| `alerta.alerts`                           | Configuration for alerts                                                            | `*object` | `null`  |
+| `alerta.alerts.telegram`                  | Configuration for Telegram alerts                                                   | `*object` | `null`  |
 | `alerta.alerts.telegram.token`            | Telegram token for your bot                                                         | `string`  | `""`    |
 | `alerta.alerts.telegram.chatID`           | Specify multiple ID's separated by comma. Get yours in https://t.me/chatid_echo_bot | `string`  | `""`    |
 | `alerta.alerts.telegram.disabledSeverity` | List of severity without alerts, separated by comma like: "informational,warning"   | `string`  | `""`    |
@@ -79,8 +79,8 @@
 | Name                                | Description                               | Type      | Value   |
 | ----------------------------------- | ----------------------------------------- | --------- | ------- |
 | `grafana`                           | Configuration for Grafana                 | `object`  | `{}`    |
-| `grafana.db`                        | Database configuration                    | `object`  | `{}`    |
-| `grafana.db.size`                   | Persistent Volume size for the database   | `string`  | `10Gi`  |
+| `grafana.db`                        | Database configuration                    | `*object` | `null`  |
+| `grafana.db.size`                   | Persistent Volume size for the database   | `*string` | `10Gi`  |
 | `grafana.resources`                 | Resources configuration                   | `*object` | `null`  |
 | `grafana.resources.requests`        |                                           | `*object` | `null`  |
 | `grafana.resources.requests.cpu`    | CPU request (minimum available CPU)       | `*string` | `100m`  |
diff --git a/packages/extra/monitoring/values.schema.json b/packages/extra/monitoring/values.schema.json
index ae807aa8..2762324e 100644
--- a/packages/extra/monitoring/values.schema.json
+++ b/packages/extra/monitoring/values.schema.json
@@ -26,11 +26,6 @@
         "storage": "10Gi",
         "storageClassName": ""
       },
-      "required": [
-        "alerts",
-        "storage",
-        "storageClassName"
-      ],
       "properties": {
         "alerts": {
           "description": "Configuration for alerts",
@@ -42,9 +37,6 @@
               "token": ""
             }
           },
-          "required": [
-            "telegram"
-          ],
           "properties": {
             "telegram": {
               "description": "Configuration for Telegram alerts",
@@ -167,9 +159,6 @@
           }
         }
       },
-      "required": [
-        "db"
-      ],
       "properties": {
         "db": {
           "description": "Database configuration",
@@ -177,9 +166,6 @@
           "default": {
             "size": "10Gi"
           },
-          "required": [
-            "size"
-          ],
           "properties": {
             "size": {
               "description": "Persistent Volume size for the database",
diff --git a/packages/extra/monitoring/values.yaml b/packages/extra/monitoring/values.yaml
index f507ba05..bfc0321b 100644
--- a/packages/extra/monitoring/values.yaml
+++ b/packages/extra/monitoring/values.yaml
@@ -82,11 +82,11 @@ logsStorages:
 ## @section Alerta configuration
 
 ## @param alerta {alerta} Configuration for Alerta service
-## @field alerta.storage {string} Persistent Volume size for the database
-## @field alerta.storageClassName {string} StorageClass used to store the data
+## @field alerta.storage {*string} Persistent Volume size for the database
+## @field alerta.storageClassName {*string} StorageClass used to store the data
 ## @field alerta.resources {*resources} Resources configuration
-## @field alerta.alerts {alerts} Configuration for alerts
-## @field alerts.telegram {telegramAlerts} Configuration for Telegram alerts
+## @field alerta.alerts {*alerts} Configuration for alerts
+## @field alerts.telegram {*telegramAlerts} Configuration for Telegram alerts
 ## @field telegramAlerts.token {string} Telegram token for your bot
 ## @field telegramAlerts.chatID {string} Specify multiple ID's separated by comma. Get yours in https://t.me/chatid_echo_bot
 ## @field telegramAlerts.disabledSeverity {string} List of severity without alerts, separated by comma like: "informational,warning"
@@ -115,8 +115,8 @@ alerta:
 ## @section Grafana configuration
 
 ## @param grafana {grafana} Configuration for Grafana
-## @field grafana.db {grafanaDB} Database configuration
-## @field grafanaDB.size {string} Persistent Volume size for the database
+## @field grafana.db {*grafanaDB} Database configuration
+## @field grafanaDB.size {*string} Persistent Volume size for the database
 ## @field grafana.resources {*resources} Resources configuration
 
 
diff --git a/packages/extra/seaweedfs/Makefile b/packages/extra/seaweedfs/Makefile
index 78e21e04..ffa23d90 100644
--- a/packages/extra/seaweedfs/Makefile
+++ b/packages/extra/seaweedfs/Makefile
@@ -3,5 +3,4 @@ NAME=seaweedfs
 include ../../../scripts/package.mk
 
 generate:
-	readme-generator-for-helm -v values.yaml -s values.schema.json -r README.md
-	yq -o json -i '.properties.topology.enum = ["Simple","MultiZone","Client"]' values.schema.json
+	cozyvalues-gen -v values.yaml -s values.schema.json -r README.md
diff --git a/packages/extra/seaweedfs/README.md b/packages/extra/seaweedfs/README.md
index aea13939..96a2ed17 100644
--- a/packages/extra/seaweedfs/README.md
+++ b/packages/extra/seaweedfs/README.md
@@ -4,15 +4,19 @@
 
 ### Common parameters
 
-| Name                | Description                                                                                            | Value    |
-| ------------------- | ------------------------------------------------------------------------------------------------------ | -------- |
-| `host`              | The hostname used to access the SeaweedFS externally (defaults to 's3' subdomain for the tenant host). | `""`     |
-| `topology`          | The topology of the SeaweedFS cluster. (allowed values: Simple, MultiZone, Client)                     | `Simple` |
-| `replicationFactor` | The number of replicas for each volume in the SeaweedFS cluster.                                       | `2`      |
-| `replicas`          | Persistent Volume size for SeaweedFS                                                                   | `2`      |
-| `size`              | Persistent Volume size                                                                                 | `10Gi`   |
-| `storageClass`      | StorageClass used to store the data                                                                    | `""`     |
-| `zones`             | A map of zones for MultiZone topology. Each zone can have its own number of replicas and size.         | `{}`     |
-| `filer.grpcHost`    | The hostname used to expose or access the filer service externally.                                    | `""`     |
-| `filer.grpcPort`    | The port used to access the filer service externally.                                                  | `443`    |
-| `filer.whitelist`   | A list of IP addresses or CIDR ranges that are allowed to access the filer service.                    | `[]`     |
+| Name                   | Description                                                                                            | Type                | Value                                           |
+| ---------------------- | ------------------------------------------------------------------------------------------------------ | ------------------- | ----------------------------------------------- |
+| `host`                 | The hostname used to access the SeaweedFS externally (defaults to 's3' subdomain for the tenant host). | `*string`           | `""`                                            |
+| `topology`             | The topology of the SeaweedFS cluster. (allowed values: Simple, MultiZone, Client)                     | `string`            | `{}`                                            |
+| `replicationFactor`    | Replication factor: number of replicas for each volume in the SeaweedFS cluster.                       | `int`               | `2`                                             |
+| `replicas`             | Number of replicas                                                                                     | `int`               | `2`                                             |
+| `size`                 | Persistent Volume size                                                                                 | `string`            | `10Gi`                                          |
+| `storageClass`         | StorageClass used to store the data                                                                    | `*string`           | `""`                                            |
+| `zones`                | A map of zones for MultiZone topology. Each zone can have its own number of replicas and size.         | `map[string]object` | `{...}`                                         |
+| `zones[name].replicas` | Number of replicas in the zone                                                                         | `int`               | `0`                                             |
+| `zones[name].size`     | Zone storage size                                                                                      | `string`            | `""`                                            |
+| `filer`                | Filer service configuration                                                                            | `*object`           | `{"grpcHost":"","grpcPort":443,"whitelist":[]}` |
+| `filer.grpcHost`       | The hostname used to expose or access the filer service externally.                                    | `*string`           | `""`                                            |
+| `filer.grpcPort`       | The port used to access the filer service externally.                                                  | `*int`              | `443`                                           |
+| `filer.whitelist`      | A list of IP addresses or CIDR ranges that are allowed to access the filer service.                    | `[]*string`         | `[]`                                            |
+
diff --git a/packages/extra/seaweedfs/values.schema.json b/packages/extra/seaweedfs/values.schema.json
index e822eda0..24cce446 100644
--- a/packages/extra/seaweedfs/values.schema.json
+++ b/packages/extra/seaweedfs/values.schema.json
@@ -1,55 +1,64 @@
 {
+  "title": "Chart Values",
+  "type": "object",
   "properties": {
     "filer": {
+      "description": "Filer service configuration",
+      "type": "object",
+      "default": {
+        "grpcHost": "",
+        "grpcPort": 443,
+        "whitelist": {}
+      },
       "properties": {
         "grpcHost": {
-          "default": "",
           "description": "The hostname used to expose or access the filer service externally.",
           "type": "string"
         },
         "grpcPort": {
-          "default": 443,
           "description": "The port used to access the filer service externally.",
-          "type": "number"
+          "type": "integer",
+          "default": 443
         },
         "whitelist": {
-          "default": [],
           "description": "A list of IP addresses or CIDR ranges that are allowed to access the filer service.",
-          "items": {},
-          "type": "array"
+          "type": "array",
+          "default": [],
+          "items": {
+            "type": "string"
+          }
         }
-      },
-      "type": "object"
+      }
     },
     "host": {
-      "default": "",
       "description": "The hostname used to access the SeaweedFS externally (defaults to 's3' subdomain for the tenant host).",
       "type": "string"
     },
     "replicas": {
-      "default": 2,
-      "description": "Persistent Volume size for SeaweedFS",
-      "type": "number"
+      "description": "Number of replicas",
+      "type": "integer",
+      "default": 2
     },
     "replicationFactor": {
-      "default": 2,
-      "description": "The number of replicas for each volume in the SeaweedFS cluster.",
-      "type": "number"
+      "description": "Replication factor: number of replicas for each volume in the SeaweedFS cluster.",
+      "type": "integer",
+      "default": 2
     },
     "size": {
-      "default": "10Gi",
       "description": "Persistent Volume size",
-      "type": "string"
+      "type": "string",
+      "default": "10Gi",
+      "pattern": "^(\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))))?$",
+      "x-kubernetes-int-or-string": true
     },
     "storageClass": {
-      "default": "",
       "description": "StorageClass used to store the data",
       "type": "string"
     },
     "topology": {
-      "default": "Simple",
       "description": "The topology of the SeaweedFS cluster. (allowed values: Simple, MultiZone, Client)",
       "type": "string",
+      "default": "Simple",
       "enum": [
         "Simple",
         "MultiZone",
@@ -57,11 +66,28 @@
       ]
     },
     "zones": {
-      "default": {},
       "description": "A map of zones for MultiZone topology. Each zone can have its own number of replicas and size.",
-      "type": "object"
+      "type": "object",
+      "default": {},
+      "additionalProperties": {
+        "type": "object",
+        "required": [
+          "replicas",
+          "size"
+        ],
+        "properties": {
+          "replicas": {
+            "description": "Number of replicas in the zone",
+            "type": "integer"
+          },
+          "size": {
+            "description": "Zone storage size",
+            "type": "string",
+            "pattern": "^(\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\\+|-)?(([0-9]+(\\.[0-9]*)?)|(\\.[0-9]+))))?$",
+            "x-kubernetes-int-or-string": true
+          }
+        }
+      }
     }
-  },
-  "title": "Chart Values",
-  "type": "object"
-}
+  }
+}
\ No newline at end of file
diff --git a/packages/extra/seaweedfs/values.yaml b/packages/extra/seaweedfs/values.yaml
index c1f73a53..40f33d1b 100644
--- a/packages/extra/seaweedfs/values.yaml
+++ b/packages/extra/seaweedfs/values.yaml
@@ -1,24 +1,26 @@
 ## @section Common parameters
 
-## @param host The hostname used to access the SeaweedFS externally (defaults to 's3' subdomain for the tenant host).
+## @param host {*string} The hostname used to access the SeaweedFS externally (defaults to 's3' subdomain for the tenant host).
 host: ""
 
-## @param topology The topology of the SeaweedFS cluster. (allowed values: Simple, MultiZone, Client)
+## @param topology {string enum:"Simple,MultiZone,Client"} The topology of the SeaweedFS cluster. (allowed values: Simple, MultiZone, Client)
 ##
 topology: Simple
 
-## @param replicationFactor The number of replicas for each volume in the SeaweedFS cluster.
+## @param replicationFactor {int} Replication factor: number of replicas for each volume in the SeaweedFS cluster.
 replicationFactor: 2
 
-## @param replicas Persistent Volume size for SeaweedFS
-## @param size Persistent Volume size
-## @param storageClass StorageClass used to store the data
+## @param replicas {int} Number of replicas
 ##
 replicas: 2
+## @param size {quantity} Persistent Volume size
 size: 10Gi
+## @param storageClass {*string} StorageClass used to store the data
 storageClass: ""
 
-## @param zones A map of zones for MultiZone topology. Each zone can have its own number of replicas and size.
+## @param zones {map[string]zone} A map of zones for MultiZone topology. Each zone can have its own number of replicas and size.
+## @field zone.replicas {int} Number of replicas in the zone
+## @field zone.size {quantity} Zone storage size
 ## Example:
 ## zones:
 ##   dc1:
@@ -32,9 +34,11 @@ storageClass: ""
 ##     size: 10Gi
 zones: {}
 
-## @param filer.grpcHost The hostname used to expose or access the filer service externally.
-## @param filer.grpcPort The port used to access the filer service externally.
-## @param filer.whitelist A list of IP addresses or CIDR ranges that are allowed to access the filer service.
+## @param filer {*filer} Filer service configuration
+## @field filer.grpcHost {*string} The hostname used to expose or access the filer service externally.
+## @field filer.grpcPort {*int} The port used to access the filer service externally.
+## TODO: select a more appropriate type after resolving https://github.com/cozystack/cozyvalues-gen/issues/4
+## @field filer.whitelist {[]*string} A list of IP addresses or CIDR ranges that are allowed to access the filer service.
 filer:
   grpcHost: ""
   grpcPort: 443