Add dual ACE-Step music studio interfaces

experiments/acestep15-xl-sft/ace-step-ui/Dockerfile

@@ -0,0 +1,38 @@
+FROM node:22-bookworm AS build
+
+ARG ACE_STEP_UI_COMMIT
+RUN test -n "$ACE_STEP_UI_COMMIT"
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends git python3 make g++ \
+    && rm -rf /var/lib/apt/lists/*
+RUN git clone https://github.com/fspecii/ace-step-ui.git /src \
+    && cd /src \
+    && git checkout --detach "$ACE_STEP_UI_COMMIT"
+COPY patch-source.mjs /tmp/patch-source.mjs
+RUN node /tmp/patch-source.mjs /src
+RUN cd /src \
+    && npm ci \
+    && npm run build
+RUN cd /src/server \
+    && npm ci \
+    && npm run build \
+    && npm prune --omit=dev
+
+FROM node:22-bookworm-slim AS runtime
+
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends nginx curl ca-certificates ffmpeg \
+    && rm -rf /var/lib/apt/lists/*
+COPY --from=build /src/dist /usr/share/nginx/html
+COPY --from=build /src/server/dist /app/server/dist
+COPY --from=build /src/server/node_modules /app/server/node_modules
+COPY --from=build /src/server/package.json /app/server/package.json
+COPY --from=build /src/server/public /app/server/public
+COPY --from=build /src/server/audio-editor /app/server/audio-editor
+COPY nginx.conf /etc/nginx/nginx.conf
+COPY entrypoint.sh /usr/local/bin/ace-step-ui-entrypoint
+RUN chmod 0755 /usr/local/bin/ace-step-ui-entrypoint \
+    && mkdir -p /data/audio /data/datasets/uploads
+
+EXPOSE 3000 3001
+ENTRYPOINT ["/usr/local/bin/ace-step-ui-entrypoint"]