Kevin Veen-Birkenbach
d39582d1da
- add verbose distro-aware cleanup script (apk/apt/pacman/dnf/yum) - remove package manager caches, logs, tmp and user caches - keep runtime-critical files untouched - execute cleanup during image build to reduce final size https://chatgpt.com/share/696f4ab6-fae8-800f-9a46-e73eb8317791
68 lines
1.9 KiB
Docker
68 lines
1.9 KiB
Docker
# syntax=docker/dockerfile:1
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# ------------------------------------------------------------
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# Base image selector — overridden by build args / Makefile
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# ------------------------------------------------------------
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ARG BASE_IMAGE
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# ============================================================
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# Target: virgin
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# - installs distro deps (incl. make)
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# - no pkgmgr build
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# - no entrypoint
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# ============================================================
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FROM ${BASE_IMAGE} AS virgin
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SHELL ["/bin/bash", "-lc"]
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RUN echo "BASE_IMAGE=${BASE_IMAGE}" && cat /etc/os-release || true
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WORKDIR /build
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# Copy scripts first so dependency installation can be cached
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COPY scripts/installation/ scripts/installation/
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# Install distro-specific build dependencies (including make)
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RUN bash scripts/installation/dependencies.sh
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# ------------------------------------------------------------
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# Image cleanup (reduce final size)
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# ------------------------------------------------------------
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COPY scripts/docker/slim.sh /usr/local/bin/slim.sh
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RUN chmod +x /usr/local/bin/slim.sh && /usr/local/bin/slim.sh
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# Virgin default
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CMD ["bash"]
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# ============================================================
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# Target: full
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# - inherits from virgin
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# - builds + installs pkgmgr
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# - sets entrypoint + default cmd
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# ============================================================
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FROM virgin AS full
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WORKDIR /build
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# Copy full repository for build
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COPY . .
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# Build and install distro-native package-manager package
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RUN set -euo pipefail; \
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echo "Building and installing package-manager via make install..."; \
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make install; \
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cd /; rm -rf /build
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# Entry point
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COPY scripts/docker/entry.sh /usr/local/bin/docker-entry.sh
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WORKDIR /opt/src/pkgmgr
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ENTRYPOINT ["/usr/local/bin/docker-entry.sh"]
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# ------------------------------------------------------------
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# Image cleanup (reduce final size)
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# ------------------------------------------------------------
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RUN /usr/local/bin/slim.sh
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CMD ["pkgmgr", "--help"]
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