docker tweaks

.gitlab-ci.yml

···
 include:
   # 1: include the component
   - component: $CI_SERVER_FQDN/to-be-continuous/docker/gitlab-ci-docker@6.1.7
+    inputs:
+      hadolint-args: --ignore DL3008

Dockerfile

···
 FROM rust:1.85-slim-bookworm AS builder
 WORKDIR /work
-RUN apt-get update && apt-get install -y libssl-dev pkg-config && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y --no-install-recommends libssl-dev pkg-config && rm -rf /var/lib/apt/lists/*
 COPY . .
 RUN cargo build --release
 
 FROM debian:bookworm-slim
-RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates && rm -rf /var/lib/apt/lists/*
 COPY --from=builder /work/target/release/plc-mirror /usr/local/bin/plc-mirror
 CMD ["plc-mirror"]