# use a builder image for building cloudflare FROM golang:1.22.2 as builder ENV GO111MODULE=on \ CGO_ENABLED=0 WORKDIR /go/src/github.com/cloudflare/cloudflared/ # copy our sources into the builder image COPY . . RUN .teamcity/install-cloudflare-go.sh # compile cloudflared RUN GOOS=linux GOARCH=amd64 PATH="/tmp/go/bin:$PATH" make cloudflared # use a distroless base image with glibc FROM gcr.io/distroless/base-debian12:nonroot LABEL org.opencontainers.image.source="https://github.com/cloudflare/cloudflared" # copy our compiled binary COPY --from=builder --chown=nonroot /go/src/github.com/cloudflare/cloudflared/cloudflared /usr/local/bin/ # run as non-privileged user USER nonroot # command / entrypoint of container ENTRYPOINT ["cloudflared", "--no-autoupdate"] CMD ["version"]