FROM caddy:2.11.2-builder-alpine AS builder

# 编译带 PR #7669（experimental WebTransport reverse-proxy passthrough）
# 的 Caddy。来源是 tomholford 的 fork 分支 webtransport-reverse-proxy。
RUN xcaddy build \
	--with github.com/caddyserver/caddy/v2=github.com/tomholford/caddy/v2@webtransport-reverse-proxy

FROM caddy:2.11.2-alpine

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