Initial commit: Alpine Zero-OS initramfs build system with cleaned Docker configuration

build/Dockerfile.alpine

@@ -0,0 +1,71 @@
+# Alpine-based Zero-OS Initramfs Builder
+FROM alpine:3.22
+
+# Set build arguments
+ARG TARGETARCH=amd64
+ARG BUILDMODE=debug
+ARG MINIMAL_MODE=false
+
+# Set environment variables
+ENV BUILDMODE=${BUILDMODE}
+ENV TARGETARCH=${TARGETARCH}
+ENV MINIMAL_MODE=${MINIMAL_MODE}
+ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+
+# Install build dependencies
+RUN apk add --no-cache \
+    # Build tools
+    build-base \
+    linux-headers \
+    cmake \
+    git \
+    wget \
+    curl \
+    cpio \
+    xz \
+    gzip \
+    bc \
+    perl \
+    python3 \
+    # Kernel build dependencies
+    linux-lts-dev \
+    linux-lts \
+    elfutils-dev \
+    openssl-dev \
+    flex \
+    bison \
+    # Archive tools
+    tar \
+    bzip2 \
+    unzip \
+    # Text processing
+    sed \
+    grep \
+    findutils \
+    # JSON processing for GitHub API
+    jq
+
+# Create directories
+RUN mkdir -p /build/initramfs /build/kernel /build/output /build/github /build/configs/zinit /mnt/zinit
+
+# Set working directory
+WORKDIR /build
+
+# Copy build scripts and configs
+COPY scripts/ /build/scripts/
+COPY configs/ /build/configs/
+
+# Make scripts executable
+RUN chmod +x /build/scripts/*.sh
+
+# Create build configuration
+RUN echo "BUILDMODE=${BUILDMODE}" > /build/build.conf && \
+    echo "TARGETARCH=${TARGETARCH}" >> /build/build.conf && \
+    echo "MINIMAL_MODE=${MINIMAL_MODE}" >> /build/build.conf && \
+    echo "INITRAMFS_ROOT=/build/initramfs" >> /build/build.conf && \
+    echo "KERNEL_DIR=/build/kernel" >> /build/build.conf && \
+    echo "OUTPUT_DIR=/build/output" >> /build/build.conf && \
+    echo "CONFIG_DIR=/build/configs" >> /build/build.conf
+
+# Default command
+CMD ["/build/scripts/build-initramfs.sh"]