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Docker Dash vs Portainer — honest comparison

TL;DR

  • Portainer wins if you manage Kubernetes, large Edge fleets, or need an enterprise vendor with paid support and SLA.
  • Docker Dash wins if you manage one or a handful of Docker hosts and want features that Portainer locks behind its Business tier — for free, under MIT.
  • Both can run side-by-side against the same Docker socket. Switching either way is low-friction.

What Portainer does better

Portainer has been around since 2016 and earns its dominant position. Honest list of where it pulls ahead:

  • Kubernetes orchestration — full K8s cluster management, namespaces, Helm. Docker Dash targets single-host and small multi-host Docker; it does not compete here.
  • Edge agent fleet at scale — Portainer Edge handles thousands of remote agents with async polling, NAT traversal, and tunnel relays. Docker Dash supports multi-host (agentless over TLS or SSH) and has an HA mode in v7.0.0+, but it is not engineered for thousands of edge nodes.
  • Mature RBAC at the enterprise tier — fine-grained team permissions, environment groups, OAuth providers all integrated and battle-tested in Business edition.
  • Established enterprise support — paid SLA, professional services, training, certified partners. Docker Dash is community-supported, MIT.
  • Angular ecosystem familiarity — if your frontend team already runs Angular, Portainer's codebase is easier to fork and extend.

What Docker Dash does that Portainer either gates or doesn't ship

Most of these are present in Portainer Business (paid) or absent entirely in Portainer CE:

  • AI Audit Natural-Language Search (v8.0.0) — query the audit log in plain English, BYOK, with a privacy redactor scored 100/100 on a hand-built corpus and a SHA-256 payload hash logged for compliance.
  • Registry hygiene pack (v8.1.0) — provenance parsing + retention rules with a dry-run mode before any tag is deleted. No Portainer equivalent.
  • Let's Encrypt wizard with 9 DNS providers — 3-step UI for DNS-01 (Cloudflare, Route53, DigitalOcean, Hetzner, Linode, and more) or HTTP-01, with encrypted credential vault and Caddy auto-reload. Portainer leaves you to wire up your own ACME flow.
  • CIS Docker Benchmark UI — 18 automated daemon + container checks, scored, with remediation guidance. Portainer ships nothing comparable.
  • Container Remediation Wizard — turns Secrets Audit and CIS findings into actionable fixes. 20-entry catalog, 4 live-updatable, 16 with compose-recreate + auto-rollback, plus Git-PR mode for git-backed stacks.
  • Hash-chained immutable audit log — SHA-256 chained, tamper-evident, with monthly off-site dumps to pCloud (round-trip integrity tested). Portainer Business has an audit log; the chain + off-site dump is not standard.
  • pCloud backup target (v8.2.0) — first-class off-site backup, encrypted, in the UI. Portainer expects you to BYO.
  • Outbound Network Filter sidecar (v6.7) — per-container egress policy with TLS-SNI + HTTP-Host peek, IMDS blocked by default, no TLS decryption.
  • Bilingual How-To guides (84+) — in-app, EN/RO, NAS-platform-aware (Synology, Unraid, TrueNAS, QNAP, OMV auto-detected).
  • Free TOTP/MFA, free LDAP, free SSO headers, free webhooks, free Git integration, free alerts on 7 channels — all of these are Business-tier features in Portainer.

License

Docker Dash Portainer CE
License MIT BSL 1.1 (was zlib pre-2024)
OSI-approved Yes No
Commercial use as a service Free, no restrictions Restricted: BSL prohibits offering Portainer as a hosted service for >5 nodes commercially without a license
Source available Yes Yes

Honest take: BSL 1.1 is fine for homelab and most internal-IT deployments. It bites if you want to embed Portainer in a commercial product or run it as a managed service. MIT (Docker Dash) has no such ceiling.

Performance and footprint

Docker Dash Portainer CE
Image size ~180 MB (incl. Trivy + Grype + Scout) ~250 MB
RAM (idle) ~50 MB ~200 MB
Default port 3000 9000 / 9443
Frontend build step None — vanilla JS Angular build
DB SQLite (file) BoltDB (file)
Stack Node + Express + ws Go + Angular

These figures come from the README — neither side has been benchmarked head-to-head under load.

Pick Portainer if…

  1. You manage Kubernetes clusters or mixed K8s + Docker fleets.
  2. You need to manage hundreds or thousands of Edge agents with NAT traversal and async polling.
  3. You need a paid vendor relationship with SLA, training, and certified support partners.

Pick Docker Dash if…

  1. You run one or a handful of Docker hosts (homelab, single VPS, NAS, small swarm) and want depth over breadth.
  2. You want features Portainer puts behind a paid tier (audit log, alerts, Git, webhooks, OAuth/LDAP, RBAC) for zero cost under MIT.
  3. You care about security tooling out of the box — CIS scoring, vulnerability scanning with three engines, egress filtering, hash-chained audit, remediation wizard.

Migration notes

There is no proprietary data format on either side. Both tools read the same /var/run/docker.sock, so your containers, volumes, networks, and Compose stacks are unchanged when you switch. Stop one, start the other, point it at the socket — the host-level state is the source of truth. The only things that don't migrate are tool-specific settings (users, teams, audit history, custom templates) which live in each app's own DB. Plan a fresh onboarding for those.

Or run both — they don't conflict.