* feat(fleet): add self dev-build detection primitives Split compareLocalToRemoteTag into compareLocalToRemoteTagDetailed (returns the probe's primary digest alongside the match/update/error verdict) with compareLocalToRemoteTag now a thin wrapper, so a caller that needs both the verdict and the digest no longer has to probe the same mutable tag twice. Add detectSelfDevBuildUpdate, which compares the running container's own image against the rolling ghcr.io/studio-saelix/sencho-dev:dev tag using the new detailed comparison, laying the groundwork for surfacing dev-build updates in Fleet. * feat: add isSenchoDevRepository and isSenchoDevFloatingTag predicates Add two pure predicate functions to helpers/selfUpdateCompose.ts for identifying Sencho dev repository references and floating tag variants: - isSenchoDevRepository: checks if a reference is to the ghcr.io/studio-saelix/sencho-dev repository, including digest-pinned and dev-<sha> tag variants - isSenchoDevFloatingTag: checks if a reference is specifically the floating :dev tag on the Sencho dev repository (not digest-pinned, not immutable dev-<sha>) Both functions reuse existing parsing patterns (normalizeImageRepository for repository extraction, classifyImagePin idiom for digest and tag detection) to maintain consistency. Add comprehensive test coverage in self-update-compose.test.ts covering all specified test cases including edge cases (malformed refs, unrelated repos, digest pins, etc.). * feat(gitops): wire dev-build detection into MonitorService Adds a dev_build_update_available notification category and a new checkSenchoDevBuild() cycle in MonitorService that detects when the running container has fallen behind the rolling ghcr.io/studio-saelix/sencho-dev:dev build it is pinned to, using detectSelfDevBuildUpdate() and isSenchoDevFloatingTag(). Availability state is written unconditionally so the Fleet update affordance never depends on notification delivery succeeding, while a separate dedup key prevents re-notifying for a digest already announced. Also guards checkSenchoVersion() so a dev-repo pin no longer produces a false positive stable-release update notification. * feat(fleet): surface dev-image status and build availability Fleet's GET /update-status now reports isDevImage (any reference to the sencho-dev repository, including digest pins) and devBuildUpdateAvailable (the exact floating :dev tag with a newer build observed, read from the system-state key MonitorService already maintains). A dev-pinned local node forces updateAvailable to false and clears any stale stable-release skip, since that skip was computed before image-pin classification and would otherwise leak a bogus "Skipped" state onto a dev row. Made MonitorService's SENCHO_DEV_BUILD_AVAILABLE_KEY constant public so both call sites share one string instead of duplicating it. * fix(fleet): omit targetVersion for a dev-image update trigger updateRequestInit() always forwarded latestVersion (the latest stable release) as targetVersion whenever it was valid semver, even for a dev-pinned node. The backend already ignores targetVersion safely for a floating pin, so this never caused an actual repin, but it produced a misleading "Update to X.Y.Z" button label and confirm-dialog copy for an update that installs the dev image, not that stable release. * feat(fleet): add integration-image badge and dev build update button NodeCard now shows a persistent "Integration image" badge whenever a node's compose image is any sencho-dev reference, independent of update availability, visible to every role. When a newer dev build is available, a solid brand-colored "Update dev build" button appears alongside it, admin-only, reusing the existing update trigger and requireAdmin route. Styled distinctly from the neutral stable "Update to X.Y.Z" button so an operator always knows which channel they're acting on. * feat(fleet): add dev-image copy to the local update confirm dialog LocalUpdateConfirmDialog now recognizes isDevImage and shows a distinct LOCAL - DEV UPDATE kicker plus copy stating the sencho-dev:dev reference will be pulled without rewriting the compose image, and that integration images are unsigned and carry no release attestations. Without this, a dev-pinned node's update confirmation fell through to the generic "Pulls Sencho the latest release" copy. FleetView.tsx threads isDevImage from the node's update status through to the dialog, same source as its other pin fields. * feat(fleet): separate dev and stable availability in the Node Updates sheet The sheet counted stable and dev availability together via the same updateAvailable field, so a dev-pinned node with a build available fell into neither the summary counts nor any row action, and would have misleadingly rendered as "Up to date" once devBuildUpdateAvailable existed. stableAvailable and devAvailable are now tracked separately: the changelog dot lights only from stableAvailable (a dev build has no release changelog), the summary and meta text report the combined total, a dev row shows "Integration build" instead of a stable version in the Latest column, and the existing Update button/badge now also fires for devBuildUpdateAvailable. Update all and Skip stay stable-only, since both already gate on fields a dev row never satisfies. * feat(fleet): bring dev-build detection and update to Mobile Fleet Mobile Fleet previously had no update capability at all: it only polled /fleet/overview and never called useFleetUpdateStatus, so it could not show the stable update flow either. It now fetches update status alongside the overview poll, shows the same "integration" marker as desktop on any dev-pinned node's card (visible to every role), and gives admins a dev-build update action. The action renders as a sibling of the card's own button rather than nested inside it, since the card is itself a <button> and a nested button is invalid HTML with broken touch semantics. It reuses the exact same triggerNodeUpdate/confirmLocalUpdate flow and LocalUpdateConfirmDialog /ReconnectingOverlay components desktop already renders, so there is no parallel API implementation to keep in sync. * feat(notifications): wire dev_build_update_available through the frontend Adds the category to the frontend NotificationCategory union, its bell label, the per-node "mute update notifications" bundle, and the bell's friendly dot-color memo. The changelog navigation and "View changelog" button stay scoped to node_update_available only: a dev build has no release changelog entry to navigate to. * docs: document dev-build detection and update on Fleet Adds the dev_build_update_available notification category, the persistent Integration image marker, and the dev-build update action (desktop and mobile) to the alerts-notifications, verifying-images, fleet-view, remote-updates, and upgrade pages. States the detection cadence explicitly: it polls on a fixed interval and reflects the newest build observed, not necessarily every individual build. * fix(gitops): sanitize the inconclusive-reason debug log for log injection CodeQL flagged the dev-build check's debug log as depending on a user-influenced value (a registry probe failure reason can trace back to external input). Wraps it with sanitizeForLog(), the existing repo-wide remediation for this class of finding, matching how registry-api.ts already handles the same pattern. * test(gitops): cover the no-repin invariant on a dev-build self-update Proves triggerUpdate(), called with neither targetVersion nor targetImageRef (the exact dev-build update call), pulls the current compose-declared ref unchanged and never stages a compose rewrite. * fix(fleet): use the shared busy-button pattern on Mobile Fleet's dev update action Replaces the local Loader2 plus boolean pending logic with BusyButton so busy behavior and interaction locking stay in sync with the rest of the app's async click surfaces. * test(gitops): exercise the production call shape in the no-repin regression Fleet substitutes the stable compare target when the request body omits one, so SelfUpdateService receives a targetVersion even for a dev-build update. The guard that protects a :dev install is therefore the semver check inside the repin branch, not the absence of a target. Drives triggerUpdate with a forwarded target against a floating :dev pin and asserts the reference is pulled unchanged with no staged patch, and pairs it with a semver case so the negative assertions cannot pass vacuously.
Self-hosted Docker Compose management for one machine or a fleet.
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Note
Sencho is used in production for day-to-day Docker Compose and fleet management. As a pre-1.0 project it still evolves quickly, so review the known limitations and validate against your own setup before deploying it on critical infrastructure.
What Sencho is
Sencho is a Docker Compose control plane for DevOps engineers, platform teams, system administrators and homelab users who run services on Compose and need a real operational surface: a graphical interface that does not give up file-on-disk workflows, and the ability to manage more than one machine without SSH gymnastics or a VPN.
It runs as a single container on your hardware and provides a UI for common Compose operations: deploying, editing files, watching logs, restarting containers, browsing volumes, and recovering from failures. Your compose files stay on the host filesystem and remain the source of truth.
Multi-node was part of the architecture from the start, not bolted on later: every Sencho instance is the same autonomous node, whether it runs alone or as one of many in a fleet. To manage another machine, you install a second Sencho on it and connect them with a long-lived API token; the primary dashboard then acts as an authenticated HTTP and WebSocket proxy across your fleet. Use TLS, a VPN, or a private network for any untrusted link. Each node still uses its local Docker socket (see Quick start), but Sencho does not require SSH and does not expose a remote Docker socket on the network. For nodes behind NAT or strict firewalls, the Pilot Agent establishes a single outbound WebSocket tunnel to the primary, so the remote host opens no inbound port at all.
Sencho is free, open-source software under AGPLv3. Everything below is included in the Community tier with unlimited nodes and users.
Capabilities
Stacks
- Full Compose lifecycle: create, deploy, restart, stop, take down, pull
- Atomic deployments with automatic rollback on failure
- Monaco editor with diff preview before save and one-click rollback to any prior deploy
- Health-gated updates that hold a rollout until health checks pass, with stalled-update detection and in-app recovery
- Git-sourced stacks pulled and synced from any repository, with ordered multi-file Compose
- File explorer for compose, env, and supporting files, with move and rename across directories
- Drift detection that compares running containers against the effective Compose model and flags exactly what changed
- Environment and secrets guardrails that inventory every variable a stack uses and flag missing or duplicate values, without ever exposing a value
- Storage portability checks that show whether a stack's mounts can move cleanly to another node before you move it
- Compose Doctor preflight checks that catch compose problems before deploy
- Stack labels for grouping and bulk operations
- App Store with LinuxServer.io templates by default, or any custom Portainer-compatible registry
Observability
- Aggregated log search and stream across every container in the fleet
- Live container stats, health checks, and image-update notifications on a configurable cadence, with links from each image to its registry and source
- Threshold alerts for CPU, memory, and network
- Read-only audit log of every action, with a 14-day recent-activity window
- Network topology view of containers, networks, and nodes
- Documentation-drift flags when a stack dossier diverges from the running stack
Fleet
- Multi-node management via authenticated HTTP and WebSocket proxy
- Fleet view with grid and topology layouts
- Fleet snapshots of compose and env across the fleet
- Fleet Federation: cordon nodes and pin Blueprints to specific hosts
- Fleet Actions: bulk label operations, fleet-wide stop-by-label, and fleet-wide prune
- Fleet Dossier: export the whole fleet as a single browsable Markdown archive
- Fleet Secrets: author environment-variable bundles once, push them to labeled nodes' stacks, with an audit trail of every change
- Fleet Sync: push scan policies, CVE suppressions, and misconfig acknowledgements from a control instance to its replicas
- Docker Label Audit across every node, for labels that drive external automation
- Remote updates: pull the latest image and recreate any node in the fleet from the Fleet view, no SSH session required
- Node labels and grouping
- Pilot Agent for nodes behind NAT or strict firewalls
- Node compatibility checks before deploying
Automation
- Auto-heal policies for failed containers
- Auto-update policies for image rollouts
- Scheduled operations on cron
- Webhooks on stack lifecycle events
- Blueprints: declarative fleet templates with drift detection
Security
- SSO: custom OIDC and presets for Google, GitHub, and Okta
- Two-factor authentication with TOTP and backup codes
- RBAC with five built-in roles and stack or node scoped assignments
- Security overview with a chart-led scan summary, sortable images, and searchable scan history
- Vulnerability scanning via Trivy, with on-demand node-wide scans, VEX-based suppression, SARIF export, and SBOM upload
- Compose network inspector with an exposure-intent guard for unintended published ports
- Node-wide network inventory, topology, and exposure findings across every stack on a node
- Scan policies that set severity thresholds and can block a deploy
- Private registries for Docker Hub, GHCR, and custom registries, plus deploy enforcement for non-compliant images
- API tokens for automation
Operations
- Off-site stack archives via custom S3-compatible storage
- Notification routing to Slack, Discord, and any generic webhook
- Global search across pages, nodes, and every stack in the fleet
- Resources view for images, volumes, and networks with scoped prune actions
- Host console: an interactive terminal on the host OS in the browser, no SSH session required
Before you install
Sencho talks to Docker through the host's /var/run/docker.sock. Mounting this socket grants Sencho the same privilege as sudo docker on the host. This is the same model used by Portainer, Dockge, Komodo, and other Compose dashboards. If your threat model requires stricter isolation, see running with a non-root container user and front Sencho with a reverse proxy that enforces authentication.
Quick start
Sencho runs in a single container.
services:
sencho:
image: saelix/sencho:latest
container_name: sencho
restart: unless-stopped
ports:
- "1852:1852"
volumes:
- /var/run/docker.sock:/var/run/docker.sock
- ./data:/app/data
# 1:1 Compose Path Rule: the host path MUST match the container path
- /opt/docker:/opt/docker
environment:
- COMPOSE_DIR=/opt/docker
- DATA_DIR=/app/data
docker compose up -d
Open http://your-server:1852 and create your admin account.
Always front Sencho with a TLS-terminating reverse proxy in production. See the self-hosting guide for hardening, environment variables, and reverse-proxy examples.
Run with docker run instead
docker run -d --name sencho \
-p 1852:1852 \
-v /var/run/docker.sock:/var/run/docker.sock \
-v sencho_data:/app/data \
# 1:1 Compose Path Rule: the host path MUST match the container path
-v /opt/docker:/opt/docker \
-e COMPOSE_DIR=/opt/docker \
saelix/sencho:latest
For the full walkthrough, see the quickstart guide.
Adding remote nodes
To manage a second machine, install Sencho on it the same way, then add it from the primary dashboard with its URL and a long-lived API token. The primary proxies authenticated HTTP and WebSocket requests to the remote instance. The remote node does not run SSH for Sencho, does not expose its Docker socket on the network, and does not run a separate agent process. The local Sencho on each node manages its own Docker through the standard socket mount described in Quick start. Nodes behind NAT or strict firewalls can opt into the Pilot Agent for outbound-only connectivity.
See the multi-node guide for the full token-bearer flow.
Screenshots
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Telemetry and data handling
Sencho does not emit telemetry, analytics, or crash reports, and makes no outbound calls to Sencho-controlled endpoints. Stack metadata, container inventory, and user activity never leave your instance.
Admiral
Admiral is Studio Saelix's paid business assurance plan on top of everything in Community: Hardened Build, Recovery Vault (managed off-site snapshots), priority support, and governance depth (LDAP / Active Directory, full audit log export and anomaly detection, and related organizational controls). Built-in RBAC (five roles and scoped assignments) is included on Community. AWS ECR registry credentials currently require Admiral as well; that access rule is temporary availability, not the reason Admiral exists. See sencho.io/pricing for current plan details.
Documentation, community, and license
- Documentation: docs.sencho.io
- Blog: sencho.io/blog
- Known limitations: KNOWN_LIMITATIONS.md
- If something breaks: the Recovery guide covers getting back to a working state when Sencho, a deploy, sign-in, Docker, or a node fails.
- Community: GitHub Discussions
- Contributing: CONTRIBUTING.md
- Security: SECURITY.md. Do not open public issues for security vulnerabilities.
- License: GNU Affero General Public License v3.0 (
AGPL-3.0-only). Copyright (c) 2026 Studio Saelix. Sencho is free software; see LICENSE and Licensing for terms. Studio Saelix trademarks are described in TRADEMARKS.md.























