Windows 2003 in a docker container

Dockerfile

FROM alpine
WORKDIR /root
ADD system.tar.gz /root
RUN apk add --update qemu-system-x86_64 qemu-img spice-server qemu-hw-display-qxl
EXPOSE 80
EXPOSE 3001
ENTRYPOINT ["qemu-system-x86_64", \
            "-m", "512", \
            "-drive", "file=/root/system.qcow2", \
            "--spice", "disable-ticketing=on,addr=0.0.0.0,port=3001", \
            "-vga", "qxl" \
]

# Build original system.tar.gz
#
# 1. Download Micro2003-Without-Driverpacks.iso from the internet archive
# 2. Run the following commands:
#    ```sh
#    docker run --rm -it -v "$(pwd):/base" -p 3001:3001 alpine
#    apk add --update qemu-system-x86_64 qemu-img spice-server qemu-hw-display-qxl
#    qemu-img create -f qcow2 /base/system.qcow2 512m
#    qemu-system-x86_64 -m 512 -drive file=/base/system.qcow2 -cdrom /base/Micro2003-Without-Driverpacks.iso --spice disable-ticketing=on,addr=0.0.0.0,port=3001 -vga qxl
#    ```
# 3. Install virt viewer on your main operating system and connect to spice://localhost:3001
# 4. Install windows uising virt viewer
# 5. Shut down windows normally
# 6. In the docker container shell execute `cd /base; tar -cvzf system.tar.gz system.qcow2