Syncthing (Stable)
Syncthing
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Get Started with Apps!
Requires TrueNAS: 24.10.2.2 or newer
App Version: 1.29.7 (Changelog)
Keywords: sync, file-sharing, backup
Train: Stable
Home Page: https://syncthing.net/
App Version: 1.29.7 (Changelog)
Keywords: sync, file-sharing, backup
Train: Stable
Home Page: https://syncthing.net/
Syncthing Details
Added: 2024-07-18
Last Updated: 2025-06-07
Added: 2024-07-18
Last Updated: 2025-06-07
Syncthing is a continuous file synchronization program.
Run as Context- Syncthing runs as root user.
Group: 0 / root
User: 0 / root
Screenshots
×
![Full Screenshot]()
Security Capabilities
- Syncthing is able to change file ownership arbitrarily
- Syncthing is able to bypass file permission checks
- Syncthing is able to bypass permission checks for file operations
- Syncthing is able to set file capabilities on other files
- Syncthing is able to change group ID of processes
- Syncthing is able to transfer capabilities between processes
- Syncthing is able to change user ID of processes
- Syncthing is able to perform system administration operations
App Metadata (Raw File)
{
"1.2.4": {
"healthy": true,
"supported": true,
"healthy_error": null,
"location": "/__w/apps/apps/trains/stable/syncthing/1.2.4",
"last_update": "2025-06-07 23:02:15",
"required_features": [],
"human_version": "1.29.7_1.2.4",
"version": "1.2.4",
"app_metadata": {
"annotations": {
"min_scale_version": "24.10.2.2"
},
"app_version": "1.29.7",
"capabilities": [
{
"description": "Syncthing is able to change file ownership arbitrarily",
"name": "CHOWN"
},
{
"description": "Syncthing is able to bypass file permission checks",
"name": "DAC_OVERRIDE"
},
{
"description": "Syncthing is able to bypass permission checks for file operations",
"name": "FOWNER"
},
{
"description": "Syncthing is able to set file capabilities on other files",
"name": "SETFCAP"
},
{
"description": "Syncthing is able to change group ID of processes",
"name": "SETGID"
},
{
"description": "Syncthing is able to transfer capabilities between processes",
"name": "SETPCAP"
},
{
"description": "Syncthing is able to change user ID of processes",
"name": "SETUID"
},
{
"description": "Syncthing is able to perform system administration operations",
"name": "SYS_ADMIN"
}
],
"categories": [
"storage"
],
"changelog_url": "https://github.com/syncthing/syncthing/releases",
"date_added": "2024-07-18",
"description": "Syncthing is a continuous file synchronization program.",
"home": "https://syncthing.net/",
"host_mounts": [],
"icon": "https://media.sys.truenas.net/apps/syncthing/icons/icon.svg",
"keywords": [
"sync",
"file-sharing",
"backup"
],
"lib_version": "2.1.35",
"lib_version_hash": "1bd4e0058fbd4d7c207df2cae606580065e8e6dba3e232f41bc1b006848b05d2",
"maintainers": [
{
"email": "dev@ixsystems.com",
"name": "truenas",
"url": "https://www.truenas.com/"
}
],
"name": "syncthing",
"run_as_context": [
{
"description": "Syncthing runs as root user.",
"gid": 0,
"group_name": "root",
"uid": 0,
"user_name": "root"
}
],
"screenshots": [
"https://media.sys.truenas.net/apps/syncthing/screenshots/screenshot1.png",
"https://media.sys.truenas.net/apps/syncthing/screenshots/screenshot2.png",
"https://media.sys.truenas.net/apps/syncthing/screenshots/screenshot3.png",
"https://media.sys.truenas.net/apps/syncthing/screenshots/screenshot4.png"
],
"sources": [
"https://syncthing.net/",
"https://github.com/syncthing/syncthing",
"https://hub.docker.com/r/syncthing/syncthing"
],
"title": "Syncthing",
"train": "stable",
"version": "1.2.4"
},
"schema": {
"groups": [
{
"name": "Syncthing Configuration",
"description": "Configure Syncthing"
},
{
"name": "User and Group Configuration",
"description": "Configure User and Group for Syncthing"
},
{
"name": "Network Configuration",
"description": "Configure Network for Syncthing"
},
{
"name": "Storage Configuration",
"description": "Configure Storage for Syncthing"
},
{
"name": "Labels Configuration",
"description": "Configure Labels for Syncthing"
},
{
"name": "Resources Configuration",
"description": "Configure Resources for Syncthing"
}
],
"questions": [
{
"variable": "TZ",
"group": "Syncthing Configuration",
"label": "Timezone",
"schema": {
"type": "string",
"default": "Etc/UTC",
"required": true,
"$ref": [
"definitions/timezone"
]
}
},
{
"variable": "syncthing",
"label": "",
"group": "Syncthing Configuration",
"schema": {
"type": "dict",
"attrs": [
{
"variable": "additional_envs",
"label": "Additional Environment Variables",
"schema": {
"type": "list",
"default": [],
"items": [
{
"variable": "env",
"label": "Environment Variable",
"schema": {
"type": "dict",
"attrs": [
{
"variable": "name",
"label": "Name",
"schema": {
"type": "string",
"required": true
}
},
{
"variable": "value",
"label": "Value",
"schema": {
"type": "string"
}
}
]
}
}
]
}
}
]
}
},
{
"variable": "run_as",
"label": "",
"group": "User and Group Configuration",
"schema": {
"type": "dict",
"attrs": [
{
"variable": "user",
"label": "User ID",
"description": "The user id that Syncthing files will be owned by.",
"schema": {
"type": "int",
"min": 0,
"default": 568,
"required": true
}
},
{
"variable": "group",
"label": "Group ID",
"description": "The group id that Syncthing files will be owned by.",
"schema": {
"type": "int",
"min": 0,
"default": 568,
"required": true
}
}
]
}
},
{
"variable": "network",
"label": "",
"group": "Network Configuration",
"schema": {
"type": "dict",
"attrs": [
{
"variable": "web_port",
"label": "WebUI Port",
"schema": {
"type": "dict",
"attrs": [
{
"variable": "bind_mode",
"label": "Port Bind Mode",
"description": "The port bind mode.</br>\n- Publish: The port will be published on the host for external access.</br>\n- Expose: The port will be exposed for inter-container communication.</br>\n- None: The port will not be exposed or published.</br>\nNote: If the Dockerfile defines an EXPOSE directive,\nthe port will still be exposed for inter-container communication regardless of this setting.\n",
"schema": {
"type": "string",
"default": "published",
"enum": [
{
"value": "published",
"description": "Publish port on the host for external access"
},
{
"value": "exposed",
"description": "Expose port for inter-container communication"
},
{
"value": "",
"description": "None"
}
]
}
},
{
"variable": "port_number",
"label": "Port Number",
"schema": {
"type": "int",
"default": 20910,
"min": 1,
"max": 65535,
"required": true
}
},
{
"variable": "host_ips",
"label": "Host IPs",
"description": "IPs on the host to bind this port",
"schema": {
"type": "list",
"show_if": [
[
"bind_mode",
"=",
"published"
]
],
"default": [],
"items": [
{
"variable": "host_ip",
"label": "Host IP",
"schema": {
"type": "string",
"required": true,
"$ref": [
"definitions/node_bind_ip"
]
}
}
]
}
}
]
}
},
{
"variable": "tcp_port",
"label": "TCP Port",
"schema": {
"type": "dict",
"show_if": [
[
"host_network",
"=",
false
]
],
"attrs": [
{
"variable": "bind_mode",
"label": "Port Bind Mode",
"description": "The port bind mode.</br>\n- Publish: The port will be published on the host for external access.</br>\n- Expose: The port will be exposed for inter-container communication.</br>\n- None: The port will not be exposed or published.</br>\nNote: If the Dockerfile defines an EXPOSE directive,\nthe port will still be exposed for inter-container communication regardless of this setting.\n",
"schema": {
"type": "string",
"default": "published",
"enum": [
{
"value": "published",
"description": "Publish port on the host for external access"
},
{
"value": "exposed",
"description": "Expose port for inter-container communication"
},
{
"value": "",
"description": "None"
}
]
}
},
{
"variable": "port_number",
"label": "Port Number",
"schema": {
"type": "int",
"show_if": [
[
"bind_mode",
"=",
"published"
]
],
"default": 20978,
"min": 1,
"max": 65535,
"required": true
}
},
{
"variable": "host_ips",
"label": "Host IPs",
"description": "IPs on the host to bind this port",
"schema": {
"type": "list",
"show_if": [
[
"bind_mode",
"=",
"published"
]
],
"default": [],
"items": [
{
"variable": "host_ip",
"label": "Host IP",
"schema": {
"type": "string",
"required": true,
"$ref": [
"definitions/node_bind_ip"
]
}
}
]
}
}
]
}
},
{
"variable": "udp_port",
"label": "UDP Port",
"schema": {
"type": "dict",
"show_if": [
[
"host_network",
"=",
false
]
],
"attrs": [
{
"variable": "bind_mode",
"label": "Port Bind Mode",
"description": "The port bind mode.</br>\n- Publish: The port will be published on the host for external access.</br>\n- Expose: The port will be exposed for inter-container communication.</br>\n- None: The port will not be exposed or published.</br>\nNote: If the Dockerfile defines an EXPOSE directive,\nthe port will still be exposed for inter-container communication regardless of this setting.\n",
"schema": {
"type": "string",
"default": "published",
"enum": [
{
"value": "published",
"description": "Publish port on the host for external access"
},
{
"value": "exposed",
"description": "Expose port for inter-container communication"
},
{
"value": "",
"description": "None"
}
]
}
},
{
"variable": "port_number",
"label": "Port Number",
"schema": {
"type": "int",
"show_if": [
[
"bind_mode",
"=",
"published"
]
],
"default": 20970,
"min": 1,
"max": 65535,
"required": true
}
},
{
"variable": "host_ips",
"label": "Host IPs",
"description": "IPs on the host to bind this port",
"schema": {
"type": "list",
"show_if": [
[
"bind_mode",
"=",
"published"
]
],
"default": [],
"items": [
{
"variable": "host_ip",
"label": "Host IP",
"schema": {
"type": "string",
"required": true,
"$ref": [
"definitions/node_bind_ip"
]
}
}
]
}
}
]
}
},
{
"variable": "host_network",
"label": "Host Network",
"description": "Enabling this will use the host network for Syncthing.</br>\nThe TCP and UDP ports will listen on port 22000. </br>\nWeb UI will listen on the port specified above.\n",
"schema": {
"type": "boolean",
"default": false
}
},
{
"variable": "dns_opts",
"label": "DNS Options",
"description": "DNS options for the container.</br>\nFormat: key:value</br>\nExample: attempts:3\n",
"schema": {
"type": "list",
"default": [],
"items": [
{
"variable": "option",
"label": "Option",
"schema": {
"type": "string",
"required": true
}
}
]
}
}
]
}
},
{
"variable": "storage",
"label": "",
"group": "Storage Configuration",
"schema": {
"type": "dict",
"attrs": [
{
"variable": "config",
"label": "Syncthing Config Storage",
"description": "The path to store Syncthing Config.",
"schema": {
"type": "dict",
"attrs": [
{
"variable": "type",
"label": "Type",
"description": "ixVolume: Is dataset created automatically by the system.</br>\nHost Path: Is a path that already exists on the system.\n",
"schema": {
"type": "string",
"required": true,
"immutable": true,
"default": "ix_volume",
"enum": [
{
"value": "host_path",
"description": "Host Path (Path that already exists on the system)"
},
{
"value": "ix_volume",
"description": "ixVolume (Dataset created automatically by the system)"
}
]
}
},
{
"variable": "ix_volume_config",
"label": "ixVolume Configuration",
"description": "The configuration for the ixVolume dataset.",
"schema": {
"type": "dict",
"show_if": [
[
"type",
"=",
"ix_volume"
]
],
"$ref": [
"normalize/ix_volume"
],
"attrs": [
{
"variable": "acl_enable",
"label": "Enable ACL",
"description": "Enable ACL for the storage.",
"schema": {
"type": "boolean",
"default": false
}
},
{
"variable": "dataset_name",
"label": "Dataset Name",
"description": "The name of the dataset to use for storage.",
"schema": {
"type": "string",
"required": true,
"immutable": true,
"hidden": true,
"default": "config"
}
},
{
"variable": "acl_entries",
"label": "ACL Configuration",
"schema": {
"type": "dict",
"show_if": [
[
"acl_enable",
"=",
true
]
],
"attrs": []
}
}
]
}
},
{
"variable": "host_path_config",
"label": "Host Path Configuration",
"schema": {
"type": "dict",
"show_if": [
[
"type",
"=",
"host_path"
]
],
"attrs": [
{
"variable": "acl_enable",
"label": "Enable ACL",
"description": "Enable ACL for the storage.",
"schema": {
"type": "boolean",
"default": false
}
},
{
"variable": "acl",
"label": "ACL Configuration",
"schema": {
"type": "dict",
"show_if": [
[
"acl_enable",
"=",
true
]
],
"attrs": [],
"$ref": [
"normalize/acl"
]
}
},
{
"variable": "path",
"label": "Host Path",
"description": "The host path to use for storage.",
"schema": {
"type": "hostpath",
"show_if": [
[
"acl_enable",
"=",
false
]
],
"required": true
}
}
]
}
}
]
}
},
{
"variable": "additional_storage",
"label": "Additional Storage",
"description": "Additional storage for Syncthing.",
"schema": {
"type": "list",
"default": [],
"items": [
{
"variable": "storageEntry",
"label": "Storage Entry",
"schema": {
"type": "dict",
"attrs": [
{
"variable": "type",
"label": "Type",
"description": "ixVolume: Is dataset created automatically by the system.</br>\nHost Path: Is a path that already exists on the system.</br>\nSMB Share: Is a SMB share that is mounted to as a volume.\n",
"schema": {
"type": "string",
"required": true,
"default": "ix_volume",
"immutable": true,
"enum": [
{
"value": "host_path",
"description": "Host Path (Path that already exists on the system)"
},
{
"value": "ix_volume",
"description": "ixVolume (Dataset created automatically by the system)"
},
{
"value": "cifs",
"description": "SMB/CIFS Share (Mounts a volume to a SMB share)"
}
]
}
},
{
"variable": "read_only",
"label": "Read Only",
"description": "Mount the volume as read only.",
"schema": {
"type": "boolean",
"default": false
}
},
{
"variable": "mount_path",
"label": "Mount Path",
"description": "The path inside the container to mount the storage.",
"schema": {
"type": "path",
"required": true
}
},
{
"variable": "host_path_config",
"label": "Host Path Configuration",
"schema": {
"type": "dict",
"show_if": [
[
"type",
"=",
"host_path"
]
],
"attrs": [
{
"variable": "acl_enable",
"label": "Enable ACL",
"description": "Enable ACL for the storage.",
"schema": {
"type": "boolean",
"default": false
}
},
{
"variable": "acl",
"label": "ACL Configuration",
"schema": {
"type": "dict",
"show_if": [
[
"acl_enable",
"=",
true
]
],
"attrs": [],
"$ref": [
"normalize/acl"
]
}
},
{
"variable": "path",
"label": "Host Path",
"description": "The host path to use for storage.",
"schema": {
"type": "hostpath",
"show_if": [
[
"acl_enable",
"=",
false
]
],
"required": true
}
}
]
}
},
{
"variable": "ix_volume_config",
"label": "ixVolume Configuration",
"description": "The configuration for the ixVolume dataset.",
"schema": {
"type": "dict",
"show_if": [
[
"type",
"=",
"ix_volume"
]
],
"$ref": [
"normalize/ix_volume"
],
"attrs": [
{
"variable": "acl_enable",
"label": "Enable ACL",
"description": "Enable ACL for the storage.",
"schema": {
"type": "boolean",
"default": false
}
},
{
"variable": "dataset_name",
"label": "Dataset Name",
"description": "The name of the dataset to use for storage.",
"schema": {
"type": "string",
"required": true,
"immutable": true,
"default": "storage_entry"
}
},
{
"variable": "acl_entries",
"label": "ACL Configuration",
"schema": {
"type": "dict",
"show_if": [
[
"acl_enable",
"=",
true
]
],
"attrs": []
}
}
]
}
},
{
"variable": "cifs_config",
"label": "SMB Configuration",
"description": "The configuration for the SMB dataset.",
"schema": {
"type": "dict",
"show_if": [
[
"type",
"=",
"cifs"
]
],
"attrs": [
{
"variable": "server",
"label": "Server",
"description": "The server to mount the SMB share.",
"schema": {
"type": "string",
"required": true
}
},
{
"variable": "path",
"label": "Path",
"description": "The path to mount the SMB share.",
"schema": {
"type": "string",
"required": true
}
},
{
"variable": "username",
"label": "Username",
"description": "The username to use for the SMB share.",
"schema": {
"type": "string",
"required": true
}
},
{
"variable": "password",
"label": "Password",
"description": "The password to use for the SMB share.",
"schema": {
"type": "string",
"required": true,
"private": true
}
},
{
"variable": "domain",
"label": "Domain",
"description": "The domain to use for the SMB share.",
"schema": {
"type": "string"
}
}
]
}
}
]
}
}
]
}
}
]
}
},
{
"variable": "labels",
"label": "",
"group": "Labels Configuration",
"schema": {
"type": "list",
"default": [],
"items": [
{
"variable": "label",
"label": "Label",
"schema": {
"type": "dict",
"attrs": [
{
"variable": "key",
"label": "Key",
"schema": {
"type": "string",
"required": true
}
},
{
"variable": "value",
"label": "Value",
"schema": {
"type": "string",
"required": true
}
},
{
"variable": "containers",
"label": "Containers",
"description": "Containers where the label should be applied",
"schema": {
"type": "list",
"items": [
{
"variable": "container",
"label": "Container",
"schema": {
"type": "string",
"required": true,
"enum": [
{
"value": "syncthing",
"description": "syncthing"
}
]
}
}
]
}
}
]
}
}
]
}
},
{
"variable": "resources",
"label": "",
"group": "Resources Configuration",
"schema": {
"type": "dict",
"attrs": [
{
"variable": "limits",
"label": "Limits",
"schema": {
"type": "dict",
"attrs": [
{
"variable": "cpus",
"label": "CPUs",
"description": "CPUs limit for Syncthing.",
"schema": {
"type": "int",
"default": 2,
"required": true
}
},
{
"variable": "memory",
"label": "Memory (in MB)",
"description": "Memory limit for Syncthing.",
"schema": {
"type": "int",
"default": 4096,
"required": true
}
}
]
}
}
]
}
}
]
},
"readme": "<h1>Syncthing</h1> <p><a href=\"https://syncthing.net/\">Syncthing</a> is a continuous file synchronization program. It synchronizes files between two or more computers in real time, safely protected from prying eyes. Your data is your data alone and you deserve to choose where it is stored, whether it is shared with some third party, and how it's transmitted over the internet.</p> <blockquote> <p><strong>WARNING</strong> Do check out <a href=\"https://docs.syncthing.net/users/faq.html#what-things-are-synced\">official docs</a> to see what is synced.</p> </blockquote>",
"changelog": null,
"chart_metadata": {
"annotations": {
"min_scale_version": "24.10.2.2"
},
"app_version": "1.29.7",
"capabilities": [
{
"description": "Syncthing is able to change file ownership arbitrarily",
"name": "CHOWN"
},
{
"description": "Syncthing is able to bypass file permission checks",
"name": "DAC_OVERRIDE"
},
{
"description": "Syncthing is able to bypass permission checks for file operations",
"name": "FOWNER"
},
{
"description": "Syncthing is able to set file capabilities on other files",
"name": "SETFCAP"
},
{
"description": "Syncthing is able to change group ID of processes",
"name": "SETGID"
},
{
"description": "Syncthing is able to transfer capabilities between processes",
"name": "SETPCAP"
},
{
"description": "Syncthing is able to change user ID of processes",
"name": "SETUID"
},
{
"description": "Syncthing is able to perform system administration operations",
"name": "SYS_ADMIN"
}
],
"categories": [
"storage"
],
"changelog_url": "https://github.com/syncthing/syncthing/releases",
"date_added": "2024-07-18",
"description": "Syncthing is a continuous file synchronization program.",
"home": "https://syncthing.net/",
"host_mounts": [],
"icon": "https://media.sys.truenas.net/apps/syncthing/icons/icon.svg",
"keywords": [
"sync",
"file-sharing",
"backup"
],
"lib_version": "2.1.35",
"lib_version_hash": "1bd4e0058fbd4d7c207df2cae606580065e8e6dba3e232f41bc1b006848b05d2",
"maintainers": [
{
"email": "dev@ixsystems.com",
"name": "truenas",
"url": "https://www.truenas.com/"
}
],
"name": "syncthing",
"run_as_context": [
{
"description": "Syncthing runs as root user.",
"gid": 0,
"group_name": "root",
"uid": 0,
"user_name": "root"
}
],
"screenshots": [
"https://media.sys.truenas.net/apps/syncthing/screenshots/screenshot1.png",
"https://media.sys.truenas.net/apps/syncthing/screenshots/screenshot2.png",
"https://media.sys.truenas.net/apps/syncthing/screenshots/screenshot3.png",
"https://media.sys.truenas.net/apps/syncthing/screenshots/screenshot4.png"
],
"sources": [
"https://syncthing.net/",
"https://github.com/syncthing/syncthing",
"https://hub.docker.com/r/syncthing/syncthing"
],
"title": "Syncthing",
"train": "stable",
"version": "1.2.4"
}
}
}Support and documentation for applications within the Stable catalog is handled by the TrueNAS community. The TrueNAS Applications Portal hosts but does not validate or maintain any linked resources associated with this app.