Use git clone with LFS pull to properly resolve LFS files

Docker COPY doesn't resolve LFS files, only copies pointer files.
This approach clones the repo inside Docker and runs git lfs pull
to get the actual ONNX models and WASM files.

Co-Authored-By: Claude <noreply@anthropic.com>

Dockerfile

@@ -3,26 +3,37 @@ FROM node:20-slim
 # Set noninteractive installation
 ENV DEBIAN_FRONTEND=noninteractive
 
-# Build timestamp to force cache invalidation: 2026-01-12T22:15
+# Build timestamp to force cache invalidation: 2026-01-12T22:25
 
-# Install build dependencies
+# Install build dependencies including git-lfs
 RUN apt-get update && apt-get install -y \
     curl \
     git \
+    git-lfs \
     && rm -rf /var/lib/apt/lists/*
 
+# Initialize git-lfs
+RUN git lfs install
+
 # Create app directory
 WORKDIR /app
 
-# Copy package files first for better caching
-COPY trigo-web/package*.json ./
-COPY trigo-web/app/package*.json ./app/
-COPY trigo-web/backend/package*.json ./backend/
+# Clone the repo with LFS files
+ARG REPO_URL=https://huggingface.co/spaces/k-l-lambda/trigo
+RUN git clone --depth 1 ${REPO_URL} /tmp/repo && \
+    cd /tmp/repo && \
+    git lfs pull
+
+# Copy files from cloned repo
+RUN mkdir -p app backend && \
+    cp -r /tmp/repo/trigo-web/package*.json ./ && \
+    cp -r /tmp/repo/trigo-web/app/package*.json ./app/ && \
+    cp -r /tmp/repo/trigo-web/backend/package*.json ./backend/
 
 # Copy .env files
-COPY trigo-web/.env* ./
-COPY trigo-web/app/.env* ./app/
-COPY trigo-web/backend/.env* ./backend/
+RUN cp /tmp/repo/trigo-web/.env* ./ 2>/dev/null || true && \
+    cp /tmp/repo/trigo-web/app/.env* ./app/ 2>/dev/null || true && \
+    cp /tmp/repo/trigo-web/backend/.env* ./backend/ 2>/dev/null || true
 
 # Install build tools globally
 RUN npm install -g tsx jison typescript esbuild
@@ -36,23 +47,27 @@ RUN cd app && npm install --omit=dev
 # Install backend dependencies
 RUN cd backend && npm install
 
-# Copy pre-built frontend dist folder (includes ONNX models and WASM files via LFS)
-COPY trigo-web/app/dist/ ./app/dist/
+# Copy pre-built frontend dist folder (with LFS files properly resolved)
+RUN cp -r /tmp/repo/trigo-web/app/dist/ ./app/dist/
 
 # Copy public folder
-COPY trigo-web/public/ ./public/
+RUN cp -r /tmp/repo/trigo-web/public/ ./public/
 
 # Copy inc folder (shared types)
-COPY trigo-web/inc/ ./inc/
+RUN cp -r /tmp/repo/trigo-web/inc/ ./inc/
 
 # Copy backend source and build with esbuild
-COPY trigo-web/backend/src/ ./backend/src/
-COPY trigo-web/backend/tsconfig.json ./backend/
+RUN cp -r /tmp/repo/trigo-web/backend/src/ ./backend/src/ && \
+    cp /tmp/repo/trigo-web/backend/tsconfig.json ./backend/
+
 RUN mkdir -p backend/dist/backend/src && \
     esbuild backend/src/server.ts --bundle --platform=node --target=node20 --format=esm --outfile=backend/dist/backend/src/server.js --external:express --external:socket.io --external:cors --external:dotenv --external:uuid
 
 # Copy the pre-built parser
-COPY trigo-web/public/lib/tgnParser.cjs ./public/lib/
+RUN cp /tmp/repo/trigo-web/public/lib/tgnParser.cjs ./public/lib/
+
+# Cleanup
+RUN rm -rf /tmp/repo
 
 # Set environment variables for Hugging Face Spaces
 ENV PORT=7860