Docker
Mattermost
| Feature | Docker | Mattermost |
|---|---|---|
| Pricing | Free / from $5/mo | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.6 / 5 | 4.2 / 5 |
| Best For | developers, devops-engineers, microservices-teams, ci-cd-pipelines | devops-teams, security-conscious-orgs, government, enterprise |
| Founded | 2013 | 2015 |
| Containerization | ✓ | ✗ |
| Docker Hub | ✓ | ✗ |
| Docker Compose | ✓ | ✗ |
| Buildkit | ✓ | ✗ |
| Multi Platform Builds | ✓ | ✗ |
| Volume Management | ✓ | ✗ |
| Networking | ✓ | ✗ |
| Docker Scout | ✓ | ✗ |
| Messaging | ✗ | ✓ |
| Channels | ✗ | ✓ |
| Playbooks | ✗ | ✓ |
| Integrations | ✗ | ✓ |
| Self Hosting | ✗ | ✓ |
| Compliance | ✗ | ✓ |
✓ Docker Pros
- Industry standard for containerization
- Consistent development environments across teams
- Massive ecosystem with Docker Hub registry
- Docker Compose simplifies multi-container apps
- Excellent documentation and community
✗ Docker Cons
- Docker Desktop licensing changes upset some users
- Resource-intensive on macOS and Windows
- Security requires careful container configuration
✓ Mattermost Pros
- Self-hostable
- Open source
- DevOps integrations
- Secure
✗ Mattermost Cons
- Smaller ecosystem
- Fewer integrations than Slack
- Self-hosting complexity
The Verdict
Docker is built for developers and devops engineers, with a focus on containerization and docker-hub. Mattermost targets devops teams and security conscious orgs and leads with messaging and channels.
On pricing, Docker is the clear winner for budget-conscious users — starting at $5/mo compared to $10/mo for Mattermost. That $5/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Docker edges out on user ratings (4.6 vs 4.2). While both are well-regarded, that gap reflects real differences in user satisfaction worth considering.
Feature-wise, Docker offers broader built-in capabilities (8 features vs 6), while Mattermost takes a more focused approach — which can mean a simpler, faster onboarding experience.
Bottom line: Docker has a slight overall edge — but if self-hostable matters most to you, Mattermost may still be the right call.