refactor: merge dockerfiles

Dockerfile

@@ -33,3 +33,42 @@ EXPOSE 3000
 
 # Default command
 CMD ["bun", "run", "dev"]
+
+# ============================================
+# Builder stage - copies source for production
+# ============================================
+FROM base AS builder
+
+# Copy dependencies from deps stage
+COPY --from=deps /app/node_modules ./node_modules
+
+# Copy source code
+COPY . .
+
+# ============================================
+# Production stage - minimal runtime image
+# ============================================
+FROM oven/bun:latest AS production
+WORKDIR /app
+
+# Copy only what's needed for production
+COPY --from=builder --chown=bun:bun /app/node_modules ./node_modules
+COPY --from=builder --chown=bun:bun /app/web/src ./web/src
+COPY --from=builder --chown=bun:bun /app/bot ./bot
+COPY --from=builder --chown=bun:bun /app/shared ./shared
+COPY --from=builder --chown=bun:bun /app/package.json .
+COPY --from=builder --chown=bun:bun /app/drizzle.config.ts .
+COPY --from=builder --chown=bun:bun /app/tsconfig.json .
+
+# Switch to non-root user
+USER bun
+
+# Expose web dashboard port
+EXPOSE 3000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+    CMD bun -e "fetch('http://localhost:3000/api/health').then(r => r.ok ? process.exit(0) : process.exit(1)).catch(() => process.exit(1))"
+
+# Run in production mode
+CMD ["bun", "run", "bot/index.ts"]