diff --git a/Dockerfile.zefie b/Dockerfile.zefie
index 5075799..7bc15fa 100644
--- a/Dockerfile.zefie
+++ b/Dockerfile.zefie
@@ -159,10 +159,10 @@ RUN wget "https://github.com/openssl/openssl/releases/download/openssl-${OPENSSL
 
 # --- ncurses ---
 ENV NCURSES_VERSION=6.6
-RUN wget "https://ftp.gnu.org/gnu/ncurses/ncurses-${NCURSES_VERSION}.tar.gz" -O "ncurses-${NCURSES_VERSION}.tar.gz" && \
-    tar -zxf "ncurses-${NCURSES_VERSION}.tar.gz" && \
-    rm -f "ncurses-${NCURSES_VERSION}.tar.gz" && \
+ENV NCURSES_SNAPSHOT_COMMIT=26ceb3cbd343d2e503ca21d90077143a12727c22
+RUN git clone --depth=1 --revision "${NCURSES_SNAPSHOT_COMMIT}" "https://github.com/ThomasDickey/ncurses-snapshots.git" "ncurses-${NCURSES_VERSION}" && \
     cd "ncurses-${NCURSES_VERSION}" && \
+    sed -i '1i #include <wchar.h>' ncurses/build.priv.h && \
     ${TOOLCHAIN_PREFIX}/wrapper.sh \
         --with-fallbacks=ansi,xterm,xterm-256color \
         --disable-database \
@@ -294,7 +294,7 @@ RUN wget "https://downloads.xiph.org/releases/vorbis/libvorbis-${LIBVORBIS_VERSI
     tar -Jxf "libvorbis-${LIBVORBIS_VERSION}.tar.xz" && \
     rm -f "libvorbis-${LIBVORBIS_VERSION}.tar.xz" && \
     cd "libvorbis-${LIBVORBIS_VERSION}" && \
-    ${TOOLCHAIN_PREFIX}/wrapper.sh --cmake -DBUILD_SHARED_LIBS=OFF && \
+    ${TOOLCHAIN_PREFIX}/wrapper.sh --cmake -DBUILD_SHARED_LIBS=OFF -DCMAKE_POLICY_VERSION_MINIMUM=3.5 && \
     cd /src && \
     rm -rf "libvorbis-${LIBVORBIS_VERSION}" build-libvorbis && \
     for f in $TARGET_TRIPLETS; do rm -rf "${TOOLCHAIN_PREFIX}/${f}/share/"{doc,man,info,examples}; done
@@ -381,6 +381,7 @@ RUN wget "https://github.com/libsndfile/libsndfile/releases/download/${LIBSNDFIL
         -DBUILD_TESTING=OFF \
         -DBUILD_PROGRAMS=OFF \
         -DBUILD_EXAMPLES=OFF \
+        -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
         -DCMAKE_C_FLAGS="-DFLAC__NO_DLL=1" && \
     cd /src && \
     rm -rf "libsndfile-${LIBSNDFILE_VERSION}" build-sndfile && \
@@ -396,6 +397,7 @@ RUN wget "https://github.com/libsndfile/libsamplerate/releases/download/${LIBSAM
         -DBUILD_SHARED_LIBS=OFF \
         -DBUILD_TESTING=OFF \
         -DLIBSAMPLERATE_EXAMPLES=OFF \
+        -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
         -DCMAKE_C_FLAGS="-DFLAC__NO_DLL=1" && \
     cd /src && \
     rm -rf "libsamplerate-${LIBSAMPLERATE_VERSION}" build-samplerate && \
@@ -473,4 +475,4 @@ RUN wget "https://sourceforge.net/projects/freeglut/files/freeglut/${FREEGLUT_VE
 
 USER ubuntu
 WORKDIR /src
-CMD ["/bin/bash"]
\ No newline at end of file
+CMD ["/bin/bash"]
diff --git a/docker.sh b/docker.sh
new file mode 100755
index 0000000..ce9da16
--- /dev/null
+++ b/docker.sh
@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+DOCKER_IMAGE="zefie/llvm-mingw"
+CURDIR="$(realpath "$(dirname "${0}")")"
+
+get_latest() {
+# Find all tags for ${DOCKER_IMAGE}, sort by creation timestamp (descending), return the newest
+	latest_image=$(docker images --format '{{.CreatedAt}}\t{{.Repository}}:{{.Tag}}' ${DOCKER_IMAGE} \
+	  | sort -r \
+	  | cut -f2- \
+	  | grep -v latest \
+	  | head -n 1)
+
+	if [[ -z "$latest_image" ]]; then
+		echo "No images found for repository '${DOCKER_IMAGE}'" >&2
+  		exit 1
+	fi
+
+	echo "$latest_image"
+}
+
+if [ "${1}" == "build" ]; then
+	THETAG=$(date +%Y%m%d)
+	cd "$(realpath "$(dirname "${0}")")"
+	docker buildx build --tag "${DOCKER_IMAGE}:${THETAG}" .
+elif [ "${1}" == "mklatest" ]; then
+	LATEST=$(get_latest)
+	if [ -z "${LATEST}" ]; then
+		exit 1;
+	fi
+	docker tag "${LATEST}" ${DOCKER_IMAGE}:latest
+	echo "Set ${DOCKER_IMAGE}:latest to ${LATEST}"
+elif [ "${1}" == "run" ]; then
+	shift
+	IMAGE=$(get_latest)
+	if [ -z "${IMAGE}" ]; then
+		exit 1;
+	fi
+	export EMBEDDED=1
+	CMD=(docker run --rm -it "${IMAGE}" "${@}")
+	echo "Executing ${CMD[@]}"
+	"${CMD[@]}"
+elif [ "${1}" == "push" ]; then
+	# push dated one first, then latest
+	"${0}" mklatest
+	IMAGE=$(get_latest)
+	echo "Pushing ${IMAGE}"
+	docker push "${IMAGE}"
+	echo "Pushing ${DOCKER_IMAGE}:latest"
+	docker push "${DOCKER_IMAGE}:latest"
+else
+	echo "Usage: ${0} [build|run|mklatest]"
+	exit 1;
+fi
+