b. Build with `$ go get github.com/pusher/oauth2_proxy` which will put the binary in `$GOROOT/bin`
c. Using the prebuilt docker image [quay.io/pusher/oauth2_proxy](https://quay.io/pusher/oauth2_proxy) (AMD64, ARMv6 and ARM64 tags available)
Prebuilt binaries can be validated by extracting the file and verifying it against the `sha256sum.txt` checksum file provided for each release starting with version `v3.0.0`.