FROM rust:latest AS builder WORKDIR /root COPY . . RUN cargo build --release FROM debian:stable-slim RUN apt update && apt install -y ca-certificates openssl && rm -rf /var/lib/apt/lists/* ADD https://letsencrypt.org/certs/isrgrootx1.pem /root/issuer.pem COPY --from=builder /root/target/release/tlsa /root/tlsa CMD ["/root/tlsa"]