Initial commit: STL Storage Application

- Complete web-based STL file storage and 3D viewer
- Express.js backend with SQLite database
- Interactive Three.js 3D viewer with orbit controls
- File upload with drag-and-drop support
- Security features: rate limiting, input validation, helmet
- Container deployment with Docker/Podman
- Production-ready configuration management
- Comprehensive logging and monitoring

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

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

.dockerignore

@@ -0,0 +1,50 @@
+# Node modules
+node_modules
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Database files (will be created in container)
+*.db
+*.db-journal
+
+# Upload files (will be persistent volume)
+uploads
+
+# Logs
+*.log
+server.log
+
+# Environment files
+.env*
+
+# Git
+.git
+.gitignore
+
+# Documentation
+README.md
+*.md
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# IDE files
+.vscode
+.idea
+*.swp
+*.swo
+
+# Test files
+test-*
+*test.html
+
+# Temporary files
+tmp
+temp