Mike Nomitch

This commit provides a **documentation update** to clarify the usage of `ContainerProxy` for container egress. It specifically updates code examples within the **outbound traffic documentation** for both `platform-details` and `sandbox/guides`. The changes ensure that users understand how to correctly import and export `ContainerProxy` when configuring outbound network access for containers. This **maintenance** work improves the accuracy and completeness of the developer guides, making it easier for developers to implement proper egress configurations.

This commit introduces **comprehensive documentation** and a **changelog entry** for the new **outbound Workers feature**, enabling **Containers and Sandboxes** to manage their external network traffic. The updates detail how these environments can now route and intercept outbound HTTP traffic, including specific guidance for the **Durable Objects Container API**. This **documentation update** clarifies the connection mechanism and provides essential information for users to leverage Workers for controlling and securing their application's outbound communications. It significantly enhances the user experience by providing clear instructions for a critical new platform capability.

This commit **updates the Workers platform pricing documentation** by integrating essential pricing information for **R2 storage** and **Containers** services. It introduces new sections to the `src/content/docs/workers/platform/pricing.mdx` page, detailing costs and providing links to full pricing documentation for each product. This **documentation update** enhances the clarity and completeness of pricing information available to users of the Workers platform. The change improves the discoverability of pricing for these integrated services, making it easier for users to understand associated costs directly from the main Workers pricing page.

This commit **adds a new changelog entry** to the **containers** documentation. It details a significant **increase in resource limits** for containerized applications, specifically a 15x boost in available memory, vCPU, and disk. This **documentation update** ensures users are informed about the enhanced capabilities and improved performance now available for the **containers** feature, reflecting a substantial platform improvement.

This commit addresses an issue related to the **date handling for container limits**, specifically updating how these dates are managed or displayed within the system. It ensures that the date information associated with **resource limits on containers** is accurate and consistent, resolving potential discrepancies. This is a **bug fix** or **maintenance update** that improves the reliability of container limit reporting, impacting users who monitor or configure resource constraints.

This commit **updates the documentation** for the **container platform**, specifically detailing a **15x increase in resource limits** for memory, vCPU, and disk. It modifies `src/content/docs/containers/platform-details/limits.mdx` to reflect these new, higher limits for concurrent live container instances. Additionally, a new entry is added to the changelog at `src/content/changelog/containers/2026-02-24-higher-container-resource-limits.mdx`, formally announcing this **significant platform enhancement**. This **documentation update** ensures users are aware of the expanded capabilities and available resources for their containerized applications.

This commit significantly **enhances the documentation** for **Docker-in-Docker (DIND)** functionality across the **Sandbox** and **Containers** features. It introduces a new comprehensive guide (`sandbox/guides/docker-in-docker.mdx`) detailing DIND usage within Sandboxes, including a Dockerfile example, and clarifies its support for developing applications and running test environments. Additionally, a new changelog entry announces DIND support, and a specific network host caveat for DIND with disabled iptables is documented in the Containers FAQ. This **documentation enhancement** improves user understanding and adoption of DIND for development and testing workflows within these environments.

This commit **enhances the containers documentation** by **adding a new FAQ section** dedicated to **Docker-in-Docker (DinD)**. It provides clear explanations and practical code examples for users looking to run Docker within a containerized environment, addressing common setup challenges. This **documentation update** improves user guidance and clarity for a common advanced use case, specifically within the `src/content/docs/containers/faq.mdx` file.

This commit **updates documentation** for the **Cloudflare Workers platform** to reflect significant changes to **subrequest limits**. It introduces a **new changelog entry** announcing the removal of the previous 1000 subrequest limit and the introduction of **configurable subrequest limits** for paid plans. The `limits.mdx` documentation is updated to detail these new defaults and configurable options, while `configuration.mdx` adds documentation for the new `subrequests` configuration option within **Wrangler's configuration**. This **documentation update** ensures users are informed about the enhanced flexibility and control over subrequest behavior.

This commit **enhances the documentation** for **Durable Objects**, providing comprehensive guidance on their **shutdown behavior**. It introduces new sections within the `best-practices` and `lifecycle` documentation, explaining how to design for unexpected shutdowns and manage in-flight requests. A new partial, `working-without-shutdown-hooks.mdx`, offers specific advice on incrementally writing state to ensure data integrity. This **documentation update** significantly improves developer understanding, enabling the creation of more resilient Durable Objects.

This commit **adds custom token support** to the `exposePort()` function in the **sandbox module**, allowing users to generate **stable preview URLs** that remain consistent across deployments and container restarts. It implements comprehensive **validation** for token format and length (1-16 characters), alongside **collision prevention** to ensure unique port access and prevent security vulnerabilities. The change also incorporates a **timing-safe comparison** for token verification, enhancing overall security. This **new capability** significantly improves the reliability and shareability of sandbox preview environments.

This commit provides a **documentation update** to the project's `README.md` file. It specifically **clarifies the description of future load balancing implementation details**, ensuring that the project's roadmap for this critical feature is well-understood. This **maintenance** work improves the overall clarity and communication regarding the planned evolution of the **load balancing subsystem**, benefiting anyone reviewing the project's architectural direction.

This commit performs a **documentation update** by **refining the title** of a specific changelog entry. It modifies the `src/content/changelog/containers/2025-11-21-new-cpu-pricing.mdx` file, changing the heading from 'Active CPU Pricing' to 'New CPU Pricing'. This minor **maintenance** ensures the **changelog** accurately reflects the content, improving clarity for users reviewing updates related to **CPU pricing**. The scope is limited to a single documentation file, with no impact on application logic or features.

This commit **introduces a new active CPU pricing model** for the **Containers** service, representing a significant **feature addition** to its billing structure. It includes a **documentation update** across the platform to clarify these changes, ensuring users understand the new cost calculations. Specifically, a new changelog entry in `src/content/changelog/containers/2025-11-21-active-cpu-pricing.mdx` details the shift, while `src/content/docs/containers/pricing.mdx` is updated to explain billing for CPU, memory, and disk usage, alongside refined instance type descriptions. This work provides essential clarity and transparency regarding the updated pricing for containerized workloads.

This commit significantly **enhances and refactors the Python Workers documentation**, while also **fixing minor issues** in the Python Workflows section. It **introduces comprehensive new documentation pages** covering Python Worker basics, examples, and FFI, and **integrates the `pywrangler` CLI tool** for local development and deployment across various guides. Numerous existing examples and guides are **refactored to standardize on the `WorkerEntrypoint` class structure** for Python Workers, including those for cron triggers, scheduled handlers, and fetch APIs. This work **improves the clarity, consistency, and completeness of the Python developer experience** for Workers, making it easier to understand and utilize features like Durable Objects, Cron Triggers, and various packages.

This commit **removes the tracking and storage of sandbox start times** within the system. The change primarily affects the **sandbox module**, specifically its initialization and any associated telemetry or logging mechanisms that previously recorded this data. This is a **maintenance task** aimed at streamlining sandbox operations, potentially reducing overhead or simplifying the data collected during its lifecycle. Consequently, any downstream components or reports that relied on the availability of sandbox start time metrics will no longer receive this information.

This commit **updates the sandbox configuration documentation** to remove outdated references to Docker Hub. Specifically, the `wrangler.mdx` file now features **example configurations that utilize local Dockerfiles** for image management, replacing previous Docker Hub examples, and also removes irrelevant troubleshooting sections. Additionally, `dockerfile.mdx` gains a new related resource link to the Image Management documentation. This **documentation maintenance** ensures users are guided by current best practices for **sandbox image configuration**, improving clarity and accuracy.

This change introduces support for new container instance types within the `wrangler` CLI, expanding the deployment options available to users. It updates configuration validation and adds warnings for deprecated instance types, directly impacting how users configure and deploy their containerized applications.

This commit performs a **documentation maintenance** task by **updating the date** within an existing changelog entry. Specifically, it corrects the date in the `src/content/changelog/containers/2025-09-24-higher-container-resource-limits.mdx` file, which pertains to the **container resource limits** feature. This ensures the **changelog** accurately reflects the timeline for the introduction or update of higher container resource limits. The change is purely informational and has no impact on product functionality, only on the accuracy of release notes.

This commit introduces a **new section** to the **Python Workers documentation**, specifically located at `src/content/docs/workers/languages/python/packages/index.mdx`. This **documentation update** provides crucial information to developers regarding **supported Python packages** available for Workers. Furthermore, it outlines the clear process for **requesting support for new packages**, thereby improving the overall developer experience and clarity for those building Python-based Workers.