build: Add Docker files (#3)

2026-07-27 16:54:51 +07:00 · 2026-05-25 18:08:58 +02:00
parent bc6d672669
commit 3eb74c5160
5 changed files with 116 additions and 0 deletions
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+.dockerignore
+.devcontainer
+.git
+.github
+.gitignore
+.gitlab-ci.yml
+.gitmodules
+Dockerfile
+Dockerfile.archive
+compose.yml
+compose.yaml
+docker-compose.yml
+docker-compose.yaml
+*.md
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+
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+FROM debian:trixie-slim
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install prerequisites
+RUN apt-get update && apt-get install -y --no-install-recommends wget ca-certificates
+
+# Add Proxmox archive keyring
+RUN wget https://enterprise.proxmox.com/debian/proxmox-archive-keyring-trixie.gpg \
+      -O /usr/share/keyrings/proxmox-archive-keyring.gpg && \
+    echo "136673be77aba35dcce385b28737689ad64fd785a797e57897589aed08db6e45  /usr/share/keyrings/proxmox-archive-keyring.gpg" | sha256sum -c -
+
+# Add Proxmox VE no-subscription repository (deb822 format required for Debian 13)
+RUN printf 'Types: deb\nURIs: http://download.proxmox.com/debian/pve\nSuites: trixie\nComponents: pve-no-subscription\nSigned-By: /usr/share/keyrings/proxmox-archive-keyring.gpg\n' \
+    > /etc/apt/sources.list.d/pve-install-repo.sources
+
+# Prevent services from starting during install
+RUN printf '#!/bin/sh\nexit 101\n' > /usr/sbin/policy-rc.d && chmod +x /usr/sbin/policy-rc.d
+
+# Stub commands unavailable / problematic in Docker build:
+#
+# unshare: kernel postinst calls "/usr/bin/unshare --mount --propagation private -- cmd"
+#   Strip everything up to and including "--", then exec the rest.
+#   If no "--" present, consume all args and exit 0.
+#
+# update-initramfs: called via absolute path /usr/sbin/update-initramfs by kernel hooks.
+#   Divert the real binary so the stub is used regardless of PATH.
+#
+# ifreload: ifupdown2 postinst calls it with unshare for netns reload.
+#
+# systemctl: silence daemon-reload/enable calls from postinst scripts.
+RUN dpkg-divert --local --rename --add /usr/bin/unshare && \
+    printf '#!/bin/sh\nwhile [ $# -gt 0 ] && [ "$1" != "--" ]; do shift; done\n[ "$1" = "--" ] && shift\n[ $# -gt 0 ] && exec "$@"\nexit 0\n' \
+      > /usr/bin/unshare && chmod +x /usr/bin/unshare && \
+    dpkg-divert --local --rename --add /usr/sbin/update-initramfs && \
+    printf '#!/bin/sh\nexit 0\n' > /usr/sbin/update-initramfs && chmod +x /usr/sbin/update-initramfs && \
+    dpkg-divert --local --rename --add /usr/sbin/ifreload && \
+    printf '#!/bin/sh\nexit 0\n' > /usr/sbin/ifreload && chmod +x /usr/sbin/ifreload && \
+    printf '#!/bin/sh\nexit 0\n' > /usr/local/sbin/systemctl && chmod +x /usr/local/sbin/systemctl
+
+# pve-manager postinst copies this file — pre-create it so the cp doesn't fail
+RUN mkdir -p /usr/share/doc/pve-manager && touch /usr/share/doc/pve-manager/aplinfo.dat
+
+# Pin ifupdown2 to the Proxmox repo — pve-manager checks for their patched version
+RUN printf 'Package: ifupdown2\nPin: origin download.proxmox.com\nPin-Priority: 1001\n' \
+    > /etc/apt/preferences.d/proxmox-ifupdown2
+
+# Update system and install Proxmox VE
+RUN apt-get update && \
+    apt-get full-upgrade -y && \
+    apt-get install -y \
+      proxmox-ve \
+      postfix \
+      open-iscsi \
+      chrony && \
+    apt-get remove -y os-prober && \
+    # Remove enterprise repo added by Proxmox packages — keep only no-subscription
+    rm -f /etc/apt/sources.list.d/pve-enterprise.list \
+          /etc/apt/sources.list.d/pve-enterprise.sources \
+          /etc/apt/sources.list.d/ceph.list \
+          /etc/apt/sources.list.d/ceph.sources && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* && \
+    # Remove kernel modules and boot files — useless in a container (~960 MB)
+    rm -rf /usr/lib/modules /boot && \
+    # Remove hardware firmware blobs — no physical hardware in a container (~520 MB)
+    rm -rf /usr/lib/firmware && \
+    # Remove GPU/display/media libs — no display server, no GPU passthrough needed
+    rm -f \
+      /usr/lib/x86_64-linux-gnu/libLLVM*.so* \
+      /usr/lib/x86_64-linux-gnu/libgallium*.so* \
+      /usr/lib/x86_64-linux-gnu/libvulkan_*.so* \
+      /usr/lib/x86_64-linux-gnu/libz3.so* \
+      /usr/lib/x86_64-linux-gnu/libx265.so* \
+      /usr/lib/x86_64-linux-gnu/libcodec2.so* \
+      /usr/lib/x86_64-linux-gnu/libavcodec.so* \
+      /usr/lib/x86_64-linux-gnu/libavfilter.so* \
+      /usr/lib/x86_64-linux-gnu/libSvtAv1Enc.so* \
+      /usr/lib/x86_64-linux-gnu/libplacebo.so* && \
+    rm -rf \
+      /usr/lib/x86_64-linux-gnu/dri \
+      /usr/lib/x86_64-linux-gnu/gstreamer-1.0 && \
+    # Remove share assets not needed at runtime
+    rm -rf \
+      /usr/share/pocketsphinx \
+      /usr/share/X11 \
+      /usr/share/alsa \
+      /usr/share/fonts \
+      /usr/share/grub \
+      /usr/share/groff \
+      /usr/share/mime \
+      /usr/share/doc \
+      /usr/share/man
+
+RUN echo 'root:root' | chpasswd
+
+EXPOSE 8006
+
+CMD ["/sbin/init"]
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