Add tsc-alias to resolve path aliases at runtime

Node.js doesn't understand @/* path aliases at runtime.
Added tsc-alias to replace them with relative paths after compilation.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: pktikkani

Dockerfile

@@ -6,17 +6,20 @@ WORKDIR /app
 COPY package*.json ./
 COPY prisma ./prisma/
 
-# Install dependencies
+# Install all dependencies (including dev for build)
 RUN npm ci
 
 # Copy source code
 COPY . .
 
-# Build
+# Build (includes tsc-alias to resolve path aliases)
 RUN npm run build
 
+# Remove dev dependencies
+RUN npm prune --production
+
 # Expose port
 EXPOSE 3000
 
 # Start
-CMD ["npm", "run", "start"]
+CMD ["node", "dist/src/server.js"]