remove Dockerfile.old

Dockerfile.old

@@ -1,18 +0,0 @@
-FROM rust:1.65.0-bullseye AS builder
-ARG SERVICE
-
-WORKDIR /app
-COPY Cargo.toml Cargo.lock ./
-COPY services ./services
-COPY hack ./hack
-
-RUN cargo build --bin ${SERVICE} --release
-
-
-FROM debian:bullseye-slim AS target
-ARG SERVICE
-RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*
-COPY --from=builder /app/target/release/${SERVICE} /app
-
-RUN chmod a+x /app
-CMD /app