Docs.rs

Business Profile

Core Value Proposition

Docs.rs provides open source documentation hosting for Rust crates, automatically building and serving crate documentation published to crates.io.

Target Customer

Rust crate authors and maintainers, open source developers, and teams publishing Rust libraries who need hosted documentation

Key Differentiator

Open source documentation host for Rust crates with automated sandboxed builds using a nightly Rust compiler, source code available on GitHub, and direct integration with crates.io

Implementation Timeline

Value can be realized after documentation builds complete; the exact wait time depends on the current build queue and sandbox limits

Pain Points

1Build queue delays: Documentation for a crate may take some time to be built depending on how many crates are in the queue
2Resource and time limits in the sandbox: Builds run with restricted RAM, CPU time, and other constraints, which can cause failures or slower builds
3README availability: If a crate's README is not set in Cargo.toml, no README will be displayed in the docs

Key Features

1Automatic documentation builds for crates released on crates.io
2Sandboxed builds using the nightly Rust compiler
3Documentation content sourced from the crate's README as defined in Cargo.toml
4Versioned documentation and accessible metadata (e.g., Rustdoc JSON, shorthand URLs, build status)
5Open source, with source code available on GitHub

Target Customer Industries

Client Results

1Up-to-date, hosted documentation for Rust crates published to crates.io
2Reduced maintenance burden for crate authors by automating docs generation
3Visibility into build status and documentation availability for each crate

Competitive Advantages

1Open source, community-driven documentation hosting for Rust crates
2Direct integration with crates.io ensuring docs exist for published crates
3Sandboxed, reproducible builds using nightly Rust compiler with defined resource limits
4Docs can pull content from the crate's README and support versioned URLs

Key Benefits

1Centralized, automatically built documentation for Rust crates

2Sandboxed builds with nightly Rust to ensure compatibility with evolving Rust features

3Readme-driven content and versioned documentation for reliable referencing

Additional Product Information

Product Description

An open source documentation host for crates of the Rust Programming Language; all libraries published to crates.io are documented

Target Market

Rust crate authors and maintainers, Rust developers, and organizations publishing Rust libraries

Unique Value Proposition

Docs.rs combines open source hosting with automated, sandboxed builds for crates.io documentation, backed by GitHub source and Rust tooling

Technical Requirements

Builds run in a sandbox with predefined limits (e.g., RAM, rustdoc execution time, build log size); rustc nightly is used; JavaScript support is allowed but not guaranteed; network access is blocked for builds; environment variable DOCS_RS can be used in build.rs to detect the Docs.rs environment

Pricing Model

Not specified in the provided content

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