thomaspoignant/go-feature-flagNew scan
98/ 100 · A

A well-known project done right. Strong docs and solid engineering throughout.

GO Feature Flag is a simple, complete and lightweight self-hosted cloud native feature flag solution 100% Open Source. 🎛️

Go2,042 starsMITupdated today

Outstanding work. A score of 98/100 puts this repo in a very small tier of truly well-engineered open source projects.

DocumentationREADME, setup, examples, license
95
EngineeringTests, CI, linting, lockfiles
100
Project healthDescription, activity, stars, deps
100

What to fix first

The highest-impact improvements for this repo.

  1. 1
    CI/CD
    EngineeringInfo

    Add `tsc --noEmit`, `mypy`, or `cargo check` to catch type errors before they merge.

  2. 2
    Install and run instructions
    DocumentationIssue

    Add a .env.example listing all required environment variables so contributors know what to set up.

  3. 3
    Reproducibility
    EngineeringInfo

    Remove replace directives before publishing if they point to local paths.

Detailed breakdown

Documentation

95
  • README100
    • README is present.
    • README is well structured with multiple sections.
    • README includes screenshots or visuals. Great for first impressions.
    • README has code examples.
    • README links to a live demo or deployed app.
    • README includes status badges.
  • Install and run instructions90
    • README documents how to install the project.
    • README documents how to run the project.
    • No .env.example found (−10 pts).Add a .env.example listing all required environment variables so contributors know what to set up.
  • License100
    • Licensed under MIT.
  • Contributing guide85
    • Contributing guide is detailed and thorough.
    • Contributing guide lacks a setup section (−12 pts).Show new contributors how to get a local dev environment running.
    • Contributing guide lacks a code style section (−8 pts).Describe your linting/formatting rules and how to run them.
    • Contributing guide explains how to run tests.
    • Contributing guide describes the PR/review workflow.
    • Contributing guide includes code examples.
    • Code of conduct present.

Engineering

100
  • Tests100
    • Test files detected (cmd/cli/evaluate/evaluate_cmd_test.go).
    • Go module github.com/thomaspoignant/go-feature-flag has test files. Run with `go test ./...`.
  • CI/CD100

    Not applicable?

    • CI is configured (.github/workflows/check_openfeature_pr.yml).
    • CI workflow runs tests.
    • CI runs on pull requests, not just on pushes to main.
    • CI workflow runs a lint or format check.
    • Optional: add type checking to CI.Add `tsc --noEmit`, `mypy`, or `cargo check` to catch type errors before they merge.
    • CI reports or uploads test coverage.
    • CI caches dependencies for faster runs.
  • Linting and formatting100
    • Formatting enforced (.golangci.yml).
  • Reproducibility100
    • Lockfile present (go.sum). Installs are reproducible.
    • Environment pinned via cmd/cli/Dockerfile.
    • Dependabot covers 16 ecosystems (gomod, github-actions, nuget, gomod, npm, maven, gradle, pip, npm, npm, npm, gradle, gomod, npm, gomod, gomod). Dependencies stay current.
    • go.mod has replace directives. Local module replacements may indicate in-progress work.Remove replace directives before publishing if they point to local paths.
    • go.mod pins Go version 1.26.4.
  • Issue and PR templates100
    • Issue or PR templates present.
    • Security policy present.

Project health

100
  • Dependency manifest100
    • Dependency manifest found (go.mod).
    • go.mod module path is fully qualified (github.com/thomaspoignant/go-feature-flag).
    • go.mod specifies Go version 1.26.4.
  • Repository metadata100
    • Repository has a description.
    • Primary language detected: Go.
  • Activity100
    • Actively maintained (pushed within the last month).
    • 2,042 stars.
  • Housekeeping100
    • .gitignore present.

Repository health signals

Activity, community, and responsiveness at scan time

Activity

  • —
    Commits (30d / 90d)
  • 206
    Forks
  • 228
    Releaseslatest 5y ago

Community

  • —
    Community health
  • —
    authors own >50% of commits
  • 2,042
    Watchers

Responsiveness

  • 13d 19h
    Median issue response
  • <1h
    Median PR merge time
  • 20
    Open issues
Repository files58 root entries
  • .github
    Good: CI is configured (.github/workflows/check_openfeature_pr.yml).
    Good: Dependabot covers 16 ecosystems (gomod, github-actions, nuget, gomod, npm, maven, gradle, pip, npm, npm, npm, gradle, gomod, npm, gomod, gomod). Dependencies stay current.
    Good: Issue or PR templates present.
  • .schema
  • .sonarlint
  • .well-known
  • cmd
    Good: Test files detected (cmd/cli/evaluate/evaluate_cmd_test.go).
    Good: Environment pinned via cmd/cli/Dockerfile.
  • cmdhelpers
  • examples
  • exporter
  • ffcontext
  • ffuser
  • internal
  • model
  • modules
  • notifier
  • openfeature
  • retriever
  • testdata
  • testutils
  • utils
  • website
  • .fips-version
  • .gitattributes
  • .gitignore
    Good: .gitignore present.
  • .gitmodules
  • .golangci.yml
    Good: Formatting enforced (.golangci.yml).
  • .goreleaser.yaml
  • .kodiak.toml
  • .pre-commit-config.yaml
  • .sonarcloud.properties
  • .worktreeinclude
  • ADOPTERS.md
  • AGENTS.md
  • CLAUDE.md
  • CODE_OF_CONDUCT.md
    Good: Code of conduct present.
  • codecov.yml
  • config_exporter.go
  • config_test.go
  • config.go
  • CONTRIBUTING.md
    Good: Contributing guide is detailed and thorough.
    Issue: Contributing guide lacks a setup section (−12 pts).Fix: Show new contributors how to get a local dev environment running.
    Issue: Contributing guide lacks a code style section (−8 pts).Fix: Describe your linting/formatting rules and how to run them.
    Good: Contributing guide explains how to run tests.
    Good: Contributing guide describes the PR/review workflow.
    Good: Contributing guide includes code examples.
  • feature_flag_bench_test.go
  • feature_flag_test.go
  • feature_flag.go
  • go.mod
    Good: Dependency manifest found (go.mod).
  • go.sum
    Good: Lockfile present (go.sum). Installs are reproducible.
  • gofeatureflag.svg
  • LICENSE
    Good: Licensed under MIT.
  • logo_128.png
  • logo.png
  • Makefile
  • package_info.go
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Good: README includes screenshots or visuals. Great for first impressions.
    Good: README has code examples.
    Good: README links to a live demo or deployed app.
    Good: README includes status badges.
    Good: README documents how to install the project.
    Good: README documents how to run the project.
  • SECURITY.md
    Good: Security policy present.
  • tracking_test.go
  • tracking.go
  • variation_all_flags_test.go
  • variation_all_flags.go
  • variation_test.go
  • variation.go