Skip frontend build, use pre-built dist folder

- Remove app npm install and vite build (was failing)
- Copy pre-built dist folder directly
- Only build backend with esbuild
- Add check for LFS file integrity

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

Dockerfile

@@ -1,49 +1,35 @@
-FROM node:20
+FROM node:20-slim
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-# Build timestamp: 2026-01-12T23:10
+# Build timestamp: 2026-01-12T23:20
 
-RUN apt-get update && apt-get install -y curl git && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y curl git git-lfs && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
 
-RUN mkdir -p app backend
+# Initialize git-lfs
+RUN git lfs install
 
-# Copy package files explicitly (no wildcards)
+# Copy package files
+RUN mkdir -p app backend
 COPY trigo-web/package.json ./package.json
 COPY trigo-web/package-lock.json ./package-lock.json
-COPY trigo-web/app/package.json ./app/package.json
-COPY trigo-web/app/package-lock.json ./app/package-lock.json
 COPY trigo-web/backend/package.json ./backend/package.json
 COPY trigo-web/backend/package-lock.json ./backend/package-lock.json
 
 # Install build tools
-RUN npm install -g tsx jison typescript esbuild
+RUN npm install -g tsx esbuild
 
-# Install deps with verbose output
+# Install root deps (production only)
 RUN npm install --omit=dev
-RUN cd app && npm install --loglevel verbose 2>&1 || (echo "APP NPM INSTALL FAILED" && exit 1)
+
+# Install backend deps
 RUN cd backend && npm install
 
-# Copy source files
-COPY trigo-web/inc/ ./inc/
-COPY trigo-web/app/src/ ./app/src/
-COPY trigo-web/app/index.html ./app/
-COPY trigo-web/app/vite.config.ts ./app/
+# Copy backend source
 COPY trigo-web/backend/src/ ./backend/src/
 COPY trigo-web/backend/tsconfig.json ./backend/
-COPY trigo-web/public/ ./public/
-COPY trigo-web/tsconfig.json ./tsconfig.json
-
-# Copy env files (explicit, no wildcards)
-COPY trigo-web/.env ./.env
-COPY trigo-web/app/.env ./app/.env
-COPY trigo-web/backend/.env ./backend/.env
-COPY trigo-web/backend/.env.local ./backend/.env.local
-
-# Build frontend
-RUN cd app && NODE_OPTIONS="--max-old-space-size=4096" npm run build:prod
 
 # Build backend
 RUN mkdir -p backend/dist/backend/src && \
@@ -51,9 +37,29 @@ RUN mkdir -p backend/dist/backend/src && \
     --outfile=backend/dist/backend/src/server.js \
     --external:express --external:socket.io --external:cors --external:dotenv --external:uuid
 
+# Copy pre-built frontend dist directly (skip app npm install and vite build)
+COPY trigo-web/app/dist/ ./app/dist/
+
+# Copy public folder
+COPY trigo-web/public/ ./public/
+
+# Copy env files
+COPY trigo-web/.env ./.env
+COPY trigo-web/backend/.env ./backend/.env
+COPY trigo-web/backend/.env.local ./backend/.env.local
+
+# Copy inc folder (shared types)
+COPY trigo-web/inc/ ./inc/
+
 # Copy parser
 COPY trigo-web/public/lib/tgnParser.cjs ./public/lib/
 
+# Check that LFS files were properly copied
+RUN echo "=== Checking LFS files ===" && \
+    ls -la app/dist/assets/*.wasm 2>/dev/null || echo "No WASM files found" && \
+    ls -la app/dist/onnx/*/*.onnx 2>/dev/null | head -5 || echo "No ONNX files found" && \
+    file app/dist/assets/*.wasm 2>/dev/null | head -1 || echo "Cannot check file type"
+
 ENV PORT=7860
 ENV HOST=0.0.0.0
 ENV NODE_ENV=production