Add Dockerfile for EasyPanel deployment

.dockerignore

@@ -0,0 +1,68 @@
+# Git
+.git
+.gitignore
+
+# Node modules (rebuilt inside Docker)
+frontend/node_modules
+
+# Python cache
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python
+*.so
+*.egg
+*.egg-info
+dist
+build
+
+# Virtual envs
+.venv
+venv/
+ENV/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Docs & markdown (not needed in container)
+docs/
+docs-site/
+*.md
+
+# GitHub meta
+.github/
+
+# Frontend build is copied separately via --from
+# so exclude the local build dir to keep context small
+frontend/build/
+frontend/.env
+frontend/.env.local
+frontend/.env.production
+
+# Backend env
+.env
+.env.*
+!backend/env_template.txt
+
+# Test files
+**/test/
+**/tests/
+*.test.py
+*.spec.py
+
+# Logs
+*.log
+logs/
+
+# Temp
+tmp/
+temp/
+*.tmp