Dockerfile

FROM debian:12

ENV DEBIAN_FRONTEND=noninteractive
ENV LANG=C.UTF-8

# Cài package cần thiết
RUN apt-get update && apt-get install -y --no-install-recommends \
    qemu-system-x86 \
    qemu-utils \
    sudo \
    cloud-image-utils \
    software-properties-common \
    genisoimage \
    novnc \
    websockify \
    curl \
    unzip \
    python3-pip \
    openssh-client \
    net-tools \
    netcat-openbsd \
    bash \
    wget \
    && rm -rf /var/lib/apt/lists/* && apt clean

# Tạo thư mục cần thiết
RUN mkdir -p /data /novnc /opt/qemu /cloud-init && \
    chmod -R 777 /data /novnc /opt/qemu /cloud-init

# Download Alpine Cloud Image
RUN curl -L https://dl-cdn.alpinelinux.org/alpine/v3.22/releases/cloud/aws_alpine-3.22.1-x86_64-bios-tiny-r0.vhd \
    -o /opt/qemu/alpine.vhd && \
    chmod 666 /opt/qemu/alpine.vhd

# Convert sang raw + resize 64G + chmod
RUN qemu-img convert -f vpc -O raw /opt/qemu/alpine.vhd /opt/qemu/alpine.raw && \
    qemu-img resize /opt/qemu/alpine.raw 64G && \
    chmod 666 /opt/qemu/alpine.raw

# Tạo meta-data
RUN echo "instance-id: alpine-vm\nlocal-hostname: localhost" > /cloud-init/meta-data && \
    chmod 666 /cloud-init/meta-data

# Tạo user-data
RUN printf "#cloud-config\n\
preserve_hostname: false\n\
hostname: localhost\n\
users:\n\
  - name: alpine\n\
    gecos: alpine\n\
    shell: /bin/sh\n\
    lock_passwd: false\n\
    passwd: \$6\$abcd1234\$W6wzBuvyE.D1mBGAgQw2uvUO/honRrnAGjFhMXSk0LUbZosYtoHy1tUtYhKlALqIldOGPrYnhSrOfAknpm91i0\n\
    sudo: ALL=(ALL) NOPASSWD:ALL\n\
disable_root: false\n\
ssh_pwauth: true\n\
chpasswd:\n\
  list: |\n\
    alpine:root\n\
  expire: false\n\
runcmd:\n\
  - systemctl enable ssh\n\
  - systemctl restart ssh\n" > /cloud-init/user-data && \
    chmod 666 /cloud-init/user-data

# Tạo ISO cloud-init
RUN genisoimage -output /opt/qemu/seed.iso -volid cidata -joliet -rock \
    /cloud-init/user-data /cloud-init/meta-data && \
    chmod 666 /opt/qemu/seed.iso

# Setup noVNC
RUN curl -L https://github.com/novnc/noVNC/archive/refs/tags/v1.3.0.zip -o /tmp/novnc.zip && \
    unzip /tmp/novnc.zip -d /tmp && \
    mv /tmp/noVNC-1.3.0/* /novnc && \
    rm -rf /tmp/novnc.zip /tmp/noVNC-1.3.0 && \
    chmod -R 777 /novnc

# Copy start.sh
COPY start.sh /start.sh
RUN chmod +x /start.sh

EXPOSE 7860 2222

CMD ["bash", "/start.sh"]