fix: Exclude bundled QEMU binary from base image (#2185)

Dockerfile

@@ -1,13 +1,12 @@
-# syntax=docker/dockerfile:1
+# syntax=docker/dockerfile:1.19
 
 ARG VERSION_ARG="latest"
 FROM scratch AS build-amd64
 
-COPY --from=qemux/qemu:7.48 / /
+COPY --from=qemux/qemu:7.49 --exclude=usr/bin/qemu-system-x86_64 / /
 
 ARG TARGETARCH
 
-ARG VERSION_UDF="1.2.0"
 ARG VERSION_WSDD="1.27"
 ARG VERSION_VIRTIO="1.9.60"
 ARG VERSION_BLINTER="1.0.112"
@@ -39,16 +38,14 @@ RUN <<EOF
   wget "https://github.com/gershnik/wsdd-native/releases/download/v${VERSION_WSDD}/wsddn_${VERSION_WSDD}_${TARGETARCH}.deb" -O /tmp/wsddn.deb -q --timeout=10
   dpkg -i /tmp/wsddn.deb
 
-  # Install UDFread package
-  wget "https://github.com/qemus/udfread/releases/download/v${VERSION_UDF}/udfread_${VERSION_UDF}_${TARGETARCH}.deb" -O /tmp/udfread.deb -q --timeout=10
-  dpkg -i /tmp/udfread.deb
-
   apt-get clean
   rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 EOF
 
 COPY --chmod=755 ./src /run/
 COPY --chmod=755 ./assets /run/assets
+COPY --from=qemux/udfread:1.2.0 /udfread /usr/bin/
+COPY --from=qemux/qemu-helios:1.0.0 /usr/bin/qemu-system-x86_64 /usr/bin/
 
 ADD --chmod=664 https://github.com/qemus/virtiso-whql/releases/download/v${VERSION_VIRTIO}-0/virtio-win-${VERSION_VIRTIO}.tar.xz /var/drivers.txz
 

docs/environment.md

@@ -33,6 +33,7 @@ An empty default means the variable is unset and its value is determined automat
 | `VMX` | `N` | Exposes Intel VMX virtualization extensions to the guest. |
 | `HV` | `Y` | Enables Hyper-V enlightenments for Windows guests. |
 | `RAM_SIZE` | `4G` | Amount of RAM assigned to Windows, such as `8G`, `half`, or `max`. |
+| `RAM_BACKEND` |  | Guest RAM backing mechanism, set `memfd` for memfd-backed memory. |
 | `RAM_CHECK` | `Y` | Checks whether enough host memory is available before starting Windows. |
 
 ## 💾 Storage
@@ -113,8 +114,8 @@ An empty default means the variable is unset and its value is determined automat
 | `PCI_BUS` | `pcie.0` | Overrides the PCI bus used for attached devices. |
 | `RNG` | `Y` | Adds the Virtio RNG device to the machine. |
 | `UUID` |  | UUID assigned to Windows. |
-| `HPET` | `off` | HPET timer setting. |
+| `HPET` | `N` | HPET timer setting. |
-| `VMPORT` | `off` | VMware port setting. |
+| `VMPORT` | `N` | VMware port setting. |
 | `MOUSE` | `usb-tablet` | Pointing device used by the machine. |
 | `SOUND` | `intel-hda` | Audio device used when `AUDIO=Y`. |
 | `SM_BIOS` |  | Additional arguments passed to QEMU’s `-smbios` option. |