FROM caddy:2.8-builder@sha256:dd54498b9546c06cdafd0e3b20276e6999f07102cc1fb578f0408c3bf8399393 AS builder

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

FROM caddy:alpine@sha256:e97e0e3f8f51be708a9d5fadbbd75e3398c22fc0eecd4b26d48561e3f7daa9eb

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