new file: .dockerignore

new file:   .env.example
	new file:   Dockerfile
	modified:   backend/.env.example
	modified:   backend/package.json
	renamed:    backend/src/migrations/run.ts -> backend/src/scripts/run.ts
	renamed:    backend/src/migrations/seed.ts -> backend/src/scripts/seed.ts
	new file:   docker-compose.external-db.yml
	new file:   docker-compose.yml

.dockerignore

@@ -0,0 +1,44 @@
+# Dependencies
+node_modules
+**/node_modules
+
+# Build outputs (will be rebuilt in container)
+dist
+**/dist
+build
+**/build
+
+# Git
+.git
+.gitignore
+
+# IDE
+.idea
+.vscode
+*.swp
+*.swo
+
+# Logs
+*.log
+logs
+
+# Environment files
+.env
+.env.local
+.env.*.local
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# Test files
+coverage
+.nyc_output
+
+# Project-specific (not needed in app container)
+.claude
+.git_backup
+db_connections
+final_endpoints_v2
+nowContext
+queries