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debian_bootc_dockerfile.txt

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+FROM debian:trixie-slim
+
+# Install essential packages for bootc compatibility
+RUN apt-get update && apt-get install -y \
+    ostree \
+    ostree-boot \
+    systemd \
+    systemd-boot \
+    linux-image-amd64 \
+    grub-efi-amd64 \
+    openssh-server \
+    sudo \
+    curl \
+    wget \
+    ca-certificates \
+    polkitd \
+    pkexec \
+    libpolkit-gobject-1-0 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Download and install bootc package
+RUN wget https://git.raines.xyz/robojerk/-/packages/debian/bootc/1.6.0-1~trixie1/files/495 -O bootc_1.6.0-1~trixie1_amd64.deb && \
+    dpkg -i bootc_1.6.0-1~trixie1_amd64.deb && \
+    rm bootc_1.6.0-1~trixie1_amd64.deb
+
+# Create a default user
+RUN useradd -m -s /bin/bash -G sudo debian && \
+    echo "debian:debian123" | chpasswd
+
+# Configure SSH
+RUN mkdir -p /home/debian/.ssh && \
+    chmod 700 /home/debian/.ssh && \
+    chown debian:debian /home/debian/.ssh
+
+# ===== OSTREE FILESYSTEM TRANSFORMATION =====
+# This is the critical step that transforms traditional Debian to OSTree
+
+# Initialize OSTree repository
+RUN mkdir -p /ostree/repo && \
+    ostree init --repo=/ostree/repo --mode=bare-user
+
+# Create OSTree deployment structure
+RUN ostree admin init-fs / && \
+    ostree admin stateroot-init debian
+
+# Create a simple OSTree commit from the current filesystem
+RUN mkdir -p /tmp/ostree-commit && \
+    cd /tmp/ostree-commit && \
+    # Copy only the files we want in OSTree (exclude special filesystems)
+    cp -r /bin . && \
+    cp -r /lib . && \
+    cp -r /lib64 . && \
+    cp -r /sbin . && \
+    cp -r /usr . && \
+    cp -r /etc . && \
+    cp -r /var . && \
+    cp -r /home . && \
+    cp -r /root . && \
+    cp -r /boot . && \
+    # Create essential directories properly
+    mkdir -p proc && \
+    mkdir -p sys && \
+    mkdir -p dev && \
+    mkdir -p tmp && \
+    mkdir -p run && \
+    mkdir -p media && \
+    mkdir -p mnt && \
+    mkdir -p ostree && \
+    # Create OSTree-expected kernel locations
+    mkdir -p usr/lib/ostree-boot && \
+    # Debug: check what's in boot directory
+    echo "Boot directory contents:" && ls -la boot/ && \
+    # Move kernel and initrd to OSTree-expected location
+    if [ -f boot/vmlinuz-6.12.41+deb13-amd64 ]; then \
+        cp boot/vmlinuz-6.12.41+deb13-amd64 usr/lib/ostree-boot/ && \
+        echo "Kernel copied successfully"; \
+    else \
+        echo "Kernel not found!" && \
+        find boot/ -name "*vmlinuz*" -o -name "*kernel*" 2>/dev/null; \
+    fi && \
+    if [ -f boot/initrd.img-6.12.41+deb13-amd64 ]; then \
+        cp boot/initrd.img-6.12.41+deb13-amd64 usr/lib/ostree-boot/ && \
+        echo "Initrd copied successfully"; \
+    else \
+        echo "Initrd not found!" && \
+        find boot/ -name "*initrd*" 2>/dev/null; \
+    fi && \
+    # Create the commit
+    ostree commit \
+        --repo=/ostree/repo \
+        --branch=debian/trixie/x86_64 \
+        --subject="Debian trixie system" \
+        --tree=dir=. && \
+    echo "OSTree commit created successfully" && \
+    # Clean up
+    cd / && rm -rf /tmp/ostree-commit
+
+# Deploy the OSTree commit to create proper deployment structure
+# Note: Deployment will be done at runtime when the container boots
+RUN echo "OSTree commit created, deployment will be done at runtime" && \
+    echo "Commit hash: $(ostree rev-parse --repo=/ostree/repo debian/trixie/x86_64)"
+
+# Configure OSTree
+RUN mkdir -p /etc/ostree && \
+    echo "[origin]" > /etc/ostree/remotes.d/origin.conf && \
+    echo "repo=/ostree/repo" >> /etc/ostree/remotes.d/origin.conf
+
+# Configure bootloader
+RUN mkdir -p /boot/loader/entries
+
+# Add bootc compatibility layer script
+COPY bootc-compat.sh /usr/local/bin/bootc-compat.sh
+RUN chmod +x /usr/local/bin/bootc-compat.sh
+
+# Set up bootc status directory
+RUN mkdir -p /usr/lib/bootc
+
+# Create bootc status file
+RUN echo '{' > /usr/lib/bootc/status.json && \
+    echo '  "apiVersion": "org.containers.bootc/v1alpha1",' >> /usr/lib/bootc/status.json && \
+    echo '  "kind": "BootcHost",' >> /usr/lib/bootc/status.json && \
+    echo '  "spec": {' >> /usr/lib/bootc/status.json && \
+    echo '    "image": {' >> /usr/lib/bootc/status.json && \
+    echo '      "image": "localhost/debian-bootc:latest"' >> /usr/lib/bootc/status.json && \
+    echo '    }' >> /usr/lib/bootc/status.json && \
+    echo '  },' >> /usr/lib/bootc/status.json && \
+    echo '  "status": {' >> /usr/lib/bootc/status.json && \
+    echo '    "booted": {' >> /usr/lib/bootc/status.json && \
+    echo '      "image": {' >> /usr/lib/bootc/status.json && \
+    echo '        "image": "localhost/debian-bootc:latest",' >> /usr/lib/bootc/status.json && \
+    echo '        "imageDigest": "sha256:$(echo -n '\''debian-bootc'\'' | sha256sum | cut -d'\'' '\'' -f1)"' >> /usr/lib/bootc/status.json && \
+    echo '      }' >> /usr/lib/bootc/status.json && \
+    echo '    }' >> /usr/lib/bootc/status.json && \
+    echo '  }' >> /usr/lib/bootc/status.json && \
+    echo '}' >> /usr/lib/bootc/status.json
+
+# Set proper labels
+LABEL bootc.filesystem="ext4"
+LABEL bootc.architecture="x86_64"
+LABEL ostree.commit="debian/trixie/x86_64"
+
+CMD ["/usr/local/bin/bootc-compat.sh"]