FROM caddy:2.11.4-builder-alpine AS builder

# Layer 4 adds PostgreSQL protocol matching and SSLRequest/TLS termination.
RUN xcaddy build \
    --with github.com/mholt/caddy-l4@v0.1.2

FROM caddy:2.11.4-alpine

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