Bundle all dependencies (remove --external flags)

Dockerfile

@@ -2,27 +2,27 @@ FROM node:20-slim
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-# Build timestamp: 2026-01-13T02:45
+# Build timestamp: 2026-01-13T03:05
 
 WORKDIR /app
 
 # Install esbuild globally
 RUN npm install -g esbuild
 
-# Copy backend package.json and install deps at root level
+# Copy backend package.json and install deps for bundling
 COPY trigo-web/backend/package.json ./package.json
-RUN npm install --omit=dev
+RUN npm install
 
-# Copy backend source and build
+# Copy backend source
 RUN mkdir -p backend backend/dist/backend/src
 COPY trigo-web/backend/src/ ./backend/src/
 
 # Copy inc folder (needed for esbuild)
 COPY trigo-web/inc/ ./inc/
 
+# Bundle EVERYTHING into one file (no external deps)
 RUN 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
+    --outfile=backend/dist/backend/src/server.js
 
 # Copy frontend dist
 COPY trigo-web/app/dist/ ./app/dist/
@@ -31,19 +31,13 @@ COPY trigo-web/app/dist/ ./app/dist/
 COPY trigo-web/backend/.env ./backend/.env
 COPY trigo-web/backend/.env.local ./backend/.env.local
 
+# Verify server file
+RUN ls -la backend/dist/backend/src/server.js
+
 ENV PORT=7860
 ENV HOST=0.0.0.0
 ENV NODE_ENV=production
 
 EXPOSE 7860
 
-# Create a wrapper script to catch errors
-RUN echo '#!/bin/sh' > /start.sh && \
-    echo 'echo "Starting server..."' >> /start.sh && \
-    echo 'node --version' >> /start.sh && \
-    echo 'pwd' >> /start.sh && \
-    echo 'ls -la backend/dist/backend/src/server.js' >> /start.sh && \
-    echo 'exec node backend/dist/backend/src/server.js' >> /start.sh && \
-    chmod +x /start.sh
-
-CMD ["/start.sh"]
+CMD ["node", "backend/dist/backend/src/server.js"]