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What is cloudflared built with?

cloudflared is a Go repo built with net/http and chi. It signs people in with github.com/go-jose/go-jose/v4 and github.com/coreos/go-oidc/v3, watches its errors with Sentry, is tested with github.com/stretchr/testify, Uber, and github.com/fortytw2/leaktest, and deploys with github.com/rs/zerolog, Prometheus, OpenTelemetry, go.opentelemetry.io/otel/trace, github.com/coreos/go-systemd/v22, and 4 more. It has 74,123 written lines, with 153 test files.

Read on November 7, 2026, at commit 3106f94. Read it as markdown

Backend

The base 2

Sign-in 2

Services 1

Support

Testing 3

  • github.com/stretchr/testify119 files
  • Uber5 files
  • github.com/fortytw2/leaktest4 files

Deploy 9

Tools 1

  • github.com/urfave/cli/v234 files

Other 20

  • github.com/pkg/errors51 files
  • Google40 files
  • github.com/quic-go/quic-go12 files
  • github.com/google/gopacket5 files
  • github.com/gorilla/websocket4 files
  • github.com/go-chi/cors1 file
  • go.opentelemetry.io/proto/otlp1 file
  • go.uber.org/automaxprocs1 file
  • golang.org/x/net14 files
  • github.com/mitchellh/go-homedir10 files
  • github.com/json-iterator/go4 files
  • golang.org/x/term3 files
8 more
  • gopkg.in/yaml.v33 files
  • github.com/mattn/go-colorable2 files
  • golang.org/x/crypto2 files
  • golang.org/x/sync2 files
  • github.com/fsnotify/fsnotify1 file
  • github.com/shirou/gopsutil/v41 file
  • golang.org/x/sys1 file
  • google.golang.org/protobuf1 file

Other repos with a similar stack

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Frequently asked questions

What language is cloudflared written in?
cloudflared is written in Go, with 74,123 written lines.
What framework does cloudflared use?
cloudflared is built with net/http and chi.
What does cloudflared sign people in with?
cloudflared signs people in with github.com/go-jose/go-jose/v4 and github.com/coreos/go-oidc/v3.
What services does cloudflared use?
cloudflared watches its errors with Sentry.

The proof: cmd/cloudflared/access/cmd.go, line 14

Does cloudflared have tests?
Yes. cloudflared has 153 test files and is tested with github.com/stretchr/testify, Uber, and github.com/fortytw2/leaktest.
Which repos have a stack like cloudflared's?
The ones that share most of its stack:istio/istiotraefik/traefiketcd-io/etcd

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