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It's a split decision.
Choose Bitbucket for Git hosting, code review, and CI/CD tied to Jira, with hosted or private runners and merge controls. Choose Docker for building and running containers, local development, and isolated agent sessions that can move to cloud sandboxes. Bitbucket has a free tier for up to five users; Docker Personal is free for one user. These products are not direct substitutes: a team may use Bitbucket for source workflows and Docker for container development.
01Side by side
| Bitbucket | Docker | |
|---|---|---|
| Pricing model | Paid plans start at $3.65 per user monthly. | Pro starts at $9 annually or $11 monthly. |
| Free tier | Up to five users, private repos, 50 build minutes. | One user, 100 Hub pulls/hour, one private repo. |
| Open source and licence | Product licence terms aren't specified on its page. | DHI open-source image catalog is Apache 2.0. |
| Self-hosting | Data Center offers self-managed deployment. | Desktop runs locally; Cloud Sandboxes run in cloud. |
| Integrations | Jira, Confluence, AI, security, testing, monitoring tools. | Existing images, registries, CI, Claude, MCP, OCI. |
| Deployment model | Bitbucket Cloud; Data Center is self-managed. | Desktop containers; agent sandboxes local or cloud. |
| Platforms | Web platform. | Mac, Windows, and Linux. |
| Limits and scaling | Free: five users, 50 build minutes; paid extras. | Hub pull and runtime-minute quotas vary by plan. |
Bitbucket Choose Bitbucket if
- Choose Bitbucket if Jira should link code changes to work items.
- Choose Bitbucket if you need code review and CI/CD in one platform.
- Choose Bitbucket if self-managed Data Center deployment is required.
Docker Choose Docker if
- Choose Docker if your workflow centers on building and running containers.
- Choose Docker if agents need isolated local or cloud sessions.
- Choose Docker if you need hardened images with published SLSA Level 3 provenance.
02Pricing at real usage
Bitbucket Free costs $0 and covers up to five users, unlimited public and private repositories, 1 GB of LFS storage, and 50 build minutes. Standard starts at $3.65 per user per month; Premium is $8. Premium adds enforced merge checks, IP allowlisting, deployment permissions, and required two-step verification. Extra build minutes or 100 GB of LFS storage cost $10 per month.
Docker Personal is free for one user, with one Docker Scout-enabled repo, 100 Docker Hub pulls per hour, and one private repo. Pro costs $11 per user monthly or $9 billed annually; Team is $16 monthly or $15 annually. Business is $24 per user under either billing option. Docker plans include different Testcontainers Cloud runtime-minute allowances; additional minutes cost $3 per 100, while on-demand minutes cost $4 per 100. Those minutes expire at subscription end.
03API, SDKs and integration
Bitbucket's stated integration path centers on Jira: code and CI/CD workflows can connect to Jira work items. It also lists Confluence, AI tools, and partner tools for security, testing, and monitoring, with custom integrations supported. Its product features include Pipelines, hosted or private runners, and configurable merge checks. The product pages don't name API endpoints, SDKs, supported programming languages, or a Bitbucket CLI.
Docker describes working with existing images, registries, and CI, and mentions Claude, MCP, and OCI compliance. Its homepage shows terminal commands for running agents and sandboxes, and Docker Desktop brings containers into local development. Docker also describes moving agent tasks from a laptop to Cloud Sandboxes. The pages don't name SDKs or API protocols. Check the vendor documentation for supported interfaces before designing an integration around a specific API or language.
04Open source, self-hosting and lock-in
Bitbucket Data Center offers self-managed deployment, while Bitbucket Cloud is described as part of the Atlassian Cloud platform. The pages don't specify an open-source licence for Bitbucket itself. Docker says its DHI Community plan includes a catalog of open-source images under Apache 2.0; that is a licence for those images, not a statement that Docker's full platform is open source. Docker's product pages describe local Docker Desktop use and cloud sandboxes, but don't characterize the platform as a self-hosted server.
Both products connect to external components: Bitbucket lists Jira and other integrations, while Docker cites existing images, registries, and CI. Neither vendor's stated pages specify a general data-export format or migration procedure. Ask about repository export, image portability, and retained CI or sandbox data before making either tool a dependency.
Questions people ask
Is Docker still relevant in 2026?
Docker's current product pages describe container development through Docker Desktop, hardened images, and local or cloud agent sandboxes. They also state OCI compliance and use with existing images, registries, and CI. That supports a continuing role in container and agent workflows, though it doesn't establish adoption across every team or workload.
Is Bitbucket being deprecated?
Bitbucket's product site lists Cloud plans, CI/CD features, Jira integration, and a Data Center self-managed option. That is evidence of an actively presented product, but it is not a formal lifecycle guarantee. Teams planning a long migration should confirm support timelines and roadmap details with Atlassian.
Is Bitbucket just GitHub?
Bitbucket is a code-hosting and CI/CD platform with source management, code review, Pipelines, merge checks, and Jira connections. That describes overlapping source-control workflows, not identical products. The practical distinction in this comparison is Bitbucket's Jira-linked development workflow versus Docker's container development and agent isolation tools.
Does NASA use Docker?
Docker's homepage does not identify NASA as a customer, so we can't confirm that claim from the vendor's stated customer information. Docker describes container tools and agent security products, but that does not establish whether a particular government agency uses them. Ask NASA or Docker for a verifiable customer reference.