# Custom Caddy build that bundles the Vultr DNS provider plugin.
# Stock caddy:2 doesn't include DNS-provider modules — they're plugins.
# xcaddy compiles them in at build time.
FROM caddy:2.10.0-builder AS builder
# The Caddy builder image bakes in Go 1.23, but caddy-dns/vultr now
# requires Go >= 1.24. GOTOOLCHAIN=auto lets `go get` fetch a newer
# toolchain on demand so we don't have to bump base images every time
# a plugin's minimum Go version moves.
ENV GOTOOLCHAIN=auto
RUN xcaddy build \
    --with github.com/caddy-dns/vultr

FROM caddy:2.10.0
COPY --from=builder /usr/bin/caddy /usr/bin/caddy