Test: run TypeScript directly with tsx

Dockerfile

@@ -2,35 +2,20 @@ FROM node:20-slim
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-# Build timestamp: 2026-01-13T04:00
+# Build timestamp: 2026-01-13T04:10
 
 WORKDIR /app
 
-# Install esbuild globally
-RUN npm install -g esbuild
-
-# Copy backend package.json and install deps
+# Copy backend package.json and install ALL deps (including dev for tsx)
 COPY trigo-web/backend/package.json ./package.json
-RUN npm install --omit=dev
+RUN npm install
 
 # Copy backend source
-RUN mkdir -p backend/dist/backend/src
 COPY trigo-web/backend/src/ ./backend/src/
 
-# Copy inc folder (needed for esbuild)
+# Copy inc folder
 COPY trigo-web/inc/ ./inc/
 
-# Bundle with ESM format, 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
-
-# Create symlinks so node can find modules from deep paths
-RUN ln -s /app/node_modules /app/backend/node_modules && \
-    ln -s /app/node_modules /app/backend/dist/node_modules && \
-    ln -s /app/node_modules /app/backend/dist/backend/node_modules && \
-    ln -s /app/node_modules /app/backend/dist/backend/src/node_modules
-
 # Copy frontend dist
 COPY trigo-web/app/dist/ ./app/dist/
 
@@ -44,4 +29,5 @@ ENV NODE_ENV=production
 
 EXPOSE 7860
 
-CMD ["node", "backend/dist/backend/src/server.js"]
+# Run TypeScript directly with tsx
+CMD ["npx", "tsx", "backend/src/server.ts"]