FROM caddy:2.8.4-builder-alpine@sha256:edc6e5121f18919c8f0acb4c578a271ce1806d1a5f0bfd15180b17eedcccd793 AS builder

RUN xcaddy build \
    --with github.com/caddy-dns/rfc2136@master

FROM caddy:2.8.4-alpine@sha256:e97e0e3f8f51be708a9d5fadbbd75e3398c22fc0eecd4b26d48561e3f7daa9eb

COPY --from=builder /usr/bin/caddy /usr/bin/caddy