Portainer vs. Dockge vs. Komodo: Container Management UIs Ranked

Self-hosters and platform engineers reach for a container UI for the same reason: a Docker host without one means SSH sessions, terminal scrollback, and a slow drift toward “I’ll fix it later.” The market for that UI has fragmented hard over the past two years. Portainer remains the default people install first, but its commercial gating now puts OIDC, RBAC, and registry management behind a paywall — features that drove a wave of users toward open-source alternatives. Dockge sits at the simple end, focused entirely on docker-compose files. Komodo sits at the ambitious end, with a Rust core, a Periphery agent model, and a build pipeline.

This piece ranks the three for what most readers actually run: a small fleet of Linux hosts, a mix of Compose stacks, and an aversion to either paying for shell access or babysitting a tool that fights you. The ranking is opinionated, but the criteria are explicit — feature surface, multi-host story, licensing posture, architecture overhead, and how well each tool stays out of your way.

How the three tools differ in scope

Portainer is a full container management platform. It speaks Docker Standalone, Docker Swarm, Kubernetes, Podman, and edge agents on remote sites. The Community Edition (CE) covers basic container lifecycle, stacks, volumes, networks, and a single user. The Business Edition (BE) — free for up to 5 nodes for personal use, free for up to 3 nodes for commercial use, then $99/month for 5 commercial nodes — adds RBAC, OIDC, registry management, advanced GitOps, and observability alerting. The current LTS is 2.39, released February 2026, with 2.40 STS shipping the following month.

Dockge is a single-purpose tool. “The main objective of Dockge is to try to use the docker compose.yaml for everything. If you want to manage a single container, you can just use Portainer or Docker CLI.” That quote is from the maintainer, Louis Lam — the same developer behind Uptime Kuma. Dockge stores stacks as plain files on disk, manages start/stop/edit through a reactive UI, and added multi-agent support in version 1.4.0. It does not do Kubernetes, RBAC, image builds, or vulnerability scanning, and it is not trying to.

Komodo is the newest of the three and the most architecturally ambitious. Built in Rust with a Core server and Periphery agents, it is designed for multi-host fleet management from the start, with built-in Git-driven image builds, scheduled procedures, an audit trail, and a full HTTP API. It is GPL-3.0 licensed with no paid tier. Version 2.0 shipped in early 2026 and replaced the older shared-passkey authentication with PKI using Ed25519 keypairs.

Portainer: the default that earned its critics

Portainer’s strength is breadth. Drop the portainer-ce image on a host, expose port 9443, and within five minutes you have a working UI for containers, images, volumes, networks, stacks, and a web terminal. Add an Agent on a second host and that host appears as another environment in the same dashboard. Add a Kubernetes cluster and Portainer will render namespaces, workloads, and ingresses with the same conventions. For someone who needs to manage everything from a single pane, nothing else in this comparison comes close.

The critics are not arguing about features. They are arguing about three things that have hardened over time. First, Portainer maintains its own state about your environment, and that state can drift from what Docker actually reports — one writer at XDA noted the habit of double-checking Portainer’s UI against docker ps in a terminal. Second, Compose stacks created in Portainer’s web editor become tied to Portainer; editing the underlying docker-compose.yml outside the UI is awkward and not the intended workflow. Third, the licensing pressure is real. Features like advanced RBAC, Git integration, and full API access have moved into the paid Business Edition, and the free BE tier exists but is node-capped and time-limited.

Recent versions have continued shipping serious work. Portainer 2.39 LTS introduced Fleet Governance Policies for centrally-defined security and configuration standards, brought Helm chart deployments under Git management, and moved observability alerting out of experimental status. The 2.40 STS that followed in March 2026 added an automatic patch update mechanism and continued cleaning up GitOps for Compose stacks. Active CVE remediation across OpenTelemetry, golang-jwt, and the bundled Docker binary appears in nearly every release.

Portainer is the right pick when the environment includes Kubernetes, the team needs RBAC and SSO, or someone other than the original installer will eventually log in. It is the wrong pick when “I want to see and edit the actual Compose file on disk” is a hard requirement, or when paying $99/month for what feels like a feature the open-source predecessor used to include is a non-starter.

Dockge: the tool that does one thing

Dockge takes the opposite stance. There is no Kubernetes support, no RBAC, no REST API, no vulnerability scanning, no built-in registry. There is a stacks directory at /opt/stacks, and Dockge gives you a fast, reactive UI to create, edit, start, stop, and tail logs for the Compose files inside it. The compose files are real files. You can cd /opt/stacks/jellyfin && docker compose up -d and Dockge will reflect the change on its next refresh. Nothing is locked in a database.

The interactive editor is the feature people remember. Dockge ships a web-based YAML editor with autocomplete and validation, a docker run to compose.yaml converter, and an interactive web terminal — the latter now disabled by default for security reasons after a 1.4.x change introduced the DOCKGE_ENABLE_CONSOLE=true environment variable as the opt-in. Multi-agent support landed in 1.4.0 and lets one Dockge instance manage stacks across multiple Docker hosts without each host needing its own dashboard, though it works as a connection proxy rather than a true distributed control plane.

The limitations are real and deliberate. Dockge has no concept of users, roles, or permissions — anyone with the URL and the password is admin. It does not visualize networks beyond what you write into the Compose file. It does not manage standalone containers (docker run style) — if you want to run a single container, you write a one-service Compose file or use a different tool. It does not do Swarm, though Swarm support has been a long-standing feature request in the GitHub ideas board.

Portainer vs. Dockge vs. Komodo: Container Management UIs Ranked

April 26, 2026 · 11 min read

Self-hosters and platform engineers reach for a container UI for the same reason: a Docker host without one means SSH sessions, terminal scrollback, and a slow drift toward “I’ll fix it later.” The market for that UI has fragmented hard over the past two years. Portainer remains the default people install first, but its commercial gating now puts OIDC, RBAC, and registry management behind a paywall — features that drove a wave of users toward open-source alternatives. Dockge sits at the simple end, focused entirely on docker-compose files. Komodo sits at the ambitious end, with a Rust core, a Periphery agent model, and a build pipeline.

This piece ranks the three for what most readers actually run: a small fleet of Linux hosts, a mix of Compose stacks, and an aversion to either paying for shell access or babysitting a tool that fights you. The ranking is opinionated, but the criteria are explicit — feature surface, multi-host story, licensing posture, architecture overhead, and how well each tool stays out of your way.

How the three tools differ in scope

Portainer is a full container management platform. It speaks Docker Standalone, Docker Swarm, Kubernetes, Podman, and edge agents on remote sites. The Community Edition (CE) covers basic container lifecycle, stacks, volumes, networks, and a single user. The Business Edition (BE) — free for up to 5 nodes for personal use, free for up to 3 nodes for commercial use, then $99/month for 5 commercial nodes — adds RBAC, OIDC, registry management, advanced GitOps, and observability alerting. The current LTS is 2.39, released February 2026, with 2.40 STS shipping the following month.

Dockge is a single-purpose tool. “The main objective of Dockge is to try to use the docker compose.yaml for everything. If you want to manage a single container, you can just use Portainer or Docker CLI.” That quote is from the maintainer, Louis Lam — the same developer behind Uptime Kuma. Dockge stores stacks as plain files on disk, manages start/stop/edit through a reactive UI, and added multi-agent support in version 1.4.0. It does not do Kubernetes, RBAC, image builds, or vulnerability scanning, and it is not trying to.

Komodo is the newest of the three and the most architecturally ambitious. Built in Rust with a Core server and Periphery agents, it is designed for multi-host fleet management from the start, with built-in Git-driven image builds, scheduled procedures, an audit trail, and a full HTTP API. It is GPL-3.0 licensed with no paid tier. Version 2.0 shipped in early 2026 and replaced the older shared-passkey authentication with PKI using Ed25519 keypairs.

Portainer: the default that earned its critics

Portainer’s strength is breadth. Drop the portainer-ce image on a host, expose port 9443, and within five minutes you have a working UI for containers, images, volumes, networks, stacks, and a web terminal. Add an Agent on a second host and that host appears as another environment in the same dashboard. Add a Kubernetes cluster and Portainer will render namespaces, workloads, and ingresses with the same conventions. For someone who needs to manage everything from a single pane, nothing else in this comparison comes close.

The critics are not arguing about features. They are arguing about three things that have hardened over time. First, Portainer maintains its own state about your environment, and that state can drift from what Docker actually reports — one writer at XDA noted the habit of double-checking Portainer’s UI against docker ps in a terminal. Second, Compose stacks created in Portainer’s web editor become tied to Portainer; editing the underlying docker-compose.yml outside the UI is awkward and not the intended workflow. Third, the licensing pressure is real. Features like advanced RBAC, Git integration, and full API access have moved into the paid Business Edition, and the free BE tier exists but is node-capped and time-limited.

Recent versions have continued shipping serious work. Portainer 2.39 LTS introduced Fleet Governance Policies for centrally-defined security and configuration standards, brought Helm chart deployments under Git management, and moved observability alerting out of experimental status. The 2.40 STS that followed in March 2026 added an automatic patch update mechanism and continued cleaning up GitOps for Compose stacks. Active CVE remediation across OpenTelemetry, golang-jwt, and the bundled Docker binary appears in nearly every release.

Portainer is the right pick when the environment includes Kubernetes, the team needs RBAC and SSO, or someone other than the original installer will eventually log in. It is the wrong pick when “I want to see and edit the actual Compose file on disk” is a hard requirement, or when paying $99/month for what feels like a feature the open-source predecessor used to include is a non-starter.

Dockge: the tool that does one thing

Dockge takes the opposite stance. There is no Kubernetes support, no RBAC, no REST API, no vulnerability scanning, no built-in registry. There is a stacks directory at /opt/stacks, and Dockge gives you a fast, reactive UI to create, edit, start, stop, and tail logs for the Compose files inside it. The compose files are real files. You can cd /opt/stacks/jellyfin && docker compose up -d and Dockge will reflect the change on its next refresh. Nothing is locked in a database.

The interactive editor is the feature people remember. Dockge ships a web-based YAML editor with autocomplete and validation, a docker run to compose.yaml converter, and an interactive web terminal — the latter now disabled by default for security reasons after a 1.4.x change introduced the DOCKGE_ENABLE_CONSOLE=true environment variable as the opt-in. Multi-agent support landed in 1.4.0 and lets one Dockge instance manage stacks across multiple Docker hosts without each host needing its own dashboard, though it works as a connection proxy rather than a true distributed control plane.

The limitations are real and deliberate. Dockge has no concept of users, roles, or permissions — anyone with the URL and the password is admin. It does not visualize networks beyond what you write into the Compose file. It does not manage standalone containers (docker run style) — if you want to run a single container, you write a one-service Compose file or use a different tool. It does not do Swarm, though Swarm support has been a long-standing feature request in the GitHub ideas board.

Dockge’s GitHub repository sits near 15,000 stars, and the issue tracker is responsive — 2024–2025 releases fixed a 100% CPU bug and a stack-status reporting issue, and the 1.4.x line cleaned up empty Compose field generation. The project is single-maintainer, which is both its charm and its risk. A community fork at cmcooper1980/dockge exists with merged PRs the upstream has not picked up — features like a global .env editor, friendly stack names, and theme options. Worth knowing, not a reason to avoid the upstream.

Komodo: the engineering exercise that grew up

Komodo (formerly Monitor) is built around a clear architecture. The Core service runs once and talks to a database (MongoDB, PostgreSQL via FerretDB, or SQLite). The Periphery agent runs on each managed host and exposes an HTTP API that Core calls over a chosen network path — most setups put it on a Wireguard or Tailscale mesh rather than the public internet. Komodo 2.0 replaced the older shared passkey scheme with PKI, where each Periphery generates an Ed25519 keypair on first connection and Core stores the public key. The recommended Periphery deployment is a systemd unit on the host rather than a container, which sidesteps the chicken-and-egg problem of managing your container manager from inside a container.

What Komodo does that the others do not: build images from Git. You point Komodo at a repository, define a Dockerfile path, and Komodo will clone, build, tag, and push to a registry on demand or on webhook. You can do this on a designated build server, or — for teams pushing the architecture — on ephemeral AWS EC2 spot instances, which Komodo can provision on demand. Add Procedures (multi-step orchestrations) and Actions (TypeScript-based custom logic) and you have something closer to a small CI/CD platform than a container UI.

The aggregated container view across hosts is a feature reviewers consistently call out. One reviewer noted that Komodo gives you an aggregated view of all containers across all hosts — a capability they wished Portainer had, especially when running dozens or hundreds of containers across multiple host machines.

The cost of all this is operational. Komodo is more software to run than Dockge, and the v1-to-v2 migration is non-trivial — the PKI cutover and the init: true requirement on all Komodo-managed containers caught people during the upgrade. The documentation is good but assumes you know what a Periphery agent is and why it needs a stable network path. For a homelab with one host, Komodo is wildly over-engineered. For a homelab with five and a real desire to stop SSH-ing between them, it is closer to right-sized than anything else here.

Pitfalls and footguns

Each tool has a specific way it bites you that the documentation soft-pedals.

Portainer’s stack ownership. Stacks created via the web editor land in Portainer’s database. Editing the underlying file on disk is possible but not the supported flow, and the LTS release notes have repeatedly fixed bugs around Git-based stack updates, private registry pulls during GitOps polling, and stack status reporting after restarts. If your workflow is “I edit docker-compose.yml in vim and the UI shows me what’s running,” Portainer fights you. Dockge and Komodo do not.

Dockge’s path matching is unforgiving. The host stacks directory and the container stacks directory must be the same string. If you did it wrong, your data could end up writing into a wrong path — the docs warn about it in three different places for a reason. The DOCKGE_STACKS_DIR environment variable, the volume source, and the volume target all need to match. Stacks with capital letters in their directory names also do not appear as managed in current versions. Lowercase your folders.

Komodo v2 migration. The 2.0 change to PKI authentication and the new init: true requirement broke existing v1 deployments that upgraded without reading the changelog. Containers without init: true may not get reaped properly, and Periphery agents that authenticated with the old shared passkey need to re-onboard with a generated onboarding key. If you are evaluating Komodo today, install fresh on 2.x. Do not start from a v1 tutorial.

Frequently asked questions

Is Portainer Community Edition still actively developed? Yes. CE ships in lockstep with the LTS and STS streams — the 2.39 LTS and 2.40 STS releases both have CE builds on Docker Hub. CE will not gain BE features (RBAC, OIDC, registry management, advanced GitOps), but core container management, Compose, and Kubernetes basics continue to receive fixes and CVE patches.

Can Dockge replace Portainer for a homelab? For Compose-only workflows, yes. For mixed workflows that include standalone docker run containers, Kubernetes, or visual network/volume inspection, no. Many self-hosters run both — Dockge for stack management, Portainer or lazydocker for the rest.

Is Komodo production-ready? It is being run in production by people who know what they are doing — the project is GPL-3.0, actively maintained by mogh.tech, and the 2.x PKI rework was a maturation step. For commercial environments needing vendor support and SLAs, Portainer BE is still the only option among the three. For self-hosted production by an engineering team comfortable reading source, Komodo is viable.

What about Dockhand, Arcane, or other newer alternatives? They exist, some are excellent, but they are not yet at the install-base of these three. If your evaluation budget is one weekend, stick to the three above. If you have time to test five, look at Arcane (Go, BSD-3-Clause, GitOps built in) and Dockhand (vulnerability scanning with Grype/Trivy).

The ranking, with a stance

For most readers — homelab operators, small teams running self-hosted services, individual engineers managing personal infrastructure — the ranking is: Komodo, then Dockge, then Portainer. That order inverts the install-base order on purpose. Komodo wins for anyone running multi-host who has been frustrated by Portainer’s licensing direction and Dockge’s deliberate scope. Dockge wins for the single-host or two-host case where Compose is the whole job. Portainer wins when its license is acceptable and its breadth is genuinely needed — a working Kubernetes UI alongside Docker is not something the other two offer at all.

The honest version is that all three are good software. The reason to rank them is that “good” is not the same as “right for your case.” Install whichever fits the smallest version of the problem you actually have. If you find yourself wanting features it does not have, the migration paths are real — Dockge’s compose files port to Komodo unchanged, and Komodo’s stacks are still readable Compose. Portainer’s BE database is harder to escape, which is itself a piece of information.