Create an external server plugin example that does tool arg checking using Nemo Check guardrails server

.github/workflows/ci.yaml

@@ -42,6 +42,13 @@ jobs:
             git diff --stat
             exit 1
           }
-
-      # Future: testing
+      - name: Install nemocheck external plugin dependencies
+        working-directory: ./plugins/examples/nemocheck
+        run: |
+          echo "Running nemocheck ext plugin tests.."
+          uv sync --all-groups
+      - name: Run nemocheck external plugin tests
+        working-directory: ./plugins/examples/nemocheck
+        run: uv run pytest tests 
+
       # - name: Test

Makefile

@@ -50,6 +50,7 @@ deploy:
 
 lint:
 	uv run ruff check --fix
+	uv run ruff format
 
 redeploy: delete deploy
 
@@ -60,6 +61,9 @@ push_image_quay: build
 all: build load redeploy
 	@echo "All done!"
 
+port-forward-nemo:
+	kubectl port-forward -n istio-system service/nemo-guardrails-service 8000:8000
+
 deploy_quay: IMAGE=quay.io/julian_stephen/$(IMAGE_PUSH)
 deploy_quay: 
 	$(CONTAINER_RUNTIME) pull $(IMAGE)

plugins/examples/nemocheck/.dockerignore

@@ -0,0 +1,363 @@
+# syntax=docker/dockerfile:1
+#----------------------------------------------------------------------
+# Docker Build Context Optimization
+#
+# This .dockerignore file excludes unnecessary files from the Docker
+# build context to improve build performance and security.
+#----------------------------------------------------------------------
+
+#----------------------------------------------------------------------
+# 1. Development and source directories (not needed in production)
+#----------------------------------------------------------------------
+agent_runtimes/
+charts/
+deployment/
+docs/
+deployment/k8s/
+mcp-servers/
+tests/
+test/
+attic/
+*.md
+.benchmarks/
+
+# Development environment directories
+.devcontainer/
+.github/
+.vscode/
+.idea/
+
+#----------------------------------------------------------------------
+# 2. Version control
+#----------------------------------------------------------------------
+.git/
+.gitignore
+.gitattributes
+.gitmodules
+
+#----------------------------------------------------------------------
+# 3. Python build artifacts and caches
+#----------------------------------------------------------------------
+# Byte-compiled files
+__pycache__/
+*.py[cod]
+*.pyc
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+.wily/
+
+# PyInstaller
+*.manifest
+*.spec
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+#----------------------------------------------------------------------
+# 4. Virtual environments
+#----------------------------------------------------------------------
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+.python37/
+.python39/
+.python-version
+
+# PDM
+pdm.lock
+.pdm.toml
+.pdm-python
+
+#----------------------------------------------------------------------
+# 5. Package managers and dependencies
+#----------------------------------------------------------------------
+# Node.js
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.npm
+.yarn
+
+# pip
+pip-log.txt
+pip-delete-this-directory.txt
+
+#----------------------------------------------------------------------
+# 6. Docker and container files (avoid recursive copies)
+#----------------------------------------------------------------------
+Dockerfile
+Dockerfile.*
+Containerfile
+Containerfile.*
+docker-compose.yml
+docker-compose.*.yml
+podman-compose*.yaml
+.dockerignore
+
+#----------------------------------------------------------------------
+# 7. IDE and editor files
+#----------------------------------------------------------------------
+# JetBrains
+.idea/
+*.iml
+*.iws
+*.ipr
+
+# VSCode
+.vscode/
+*.code-workspace
+
+# Vim
+*.swp
+*.swo
+*~
+
+# Emacs
+*~
+\#*\#
+.\#*
+
+# macOS
+.DS_Store
+.AppleDouble
+.LSOverride
+
+#----------------------------------------------------------------------
+# 8. Build tools and CI/CD configurations
+#----------------------------------------------------------------------
+# Testing configurations
+.coveragerc
+.pylintrc
+.flake8
+pytest.ini
+tox.ini
+.pytest.ini
+
+# Linting and formatting
+.hadolint.yaml
+.pre-commit-config.yaml
+.pycodestyle
+.pyre_configuration
+.pyspelling.yaml
+.ruff.toml
+.shellcheckrc
+
+# Build configurations
+Makefile
+setup.cfg
+pyproject.toml.bak
+MANIFEST.in
+
+# CI/CD
+.travis.*
+.gitlab-ci.yml
+.circleci/
+.github/
+azure-pipelines.yml
+Jenkinsfile
+
+# Code quality
+sonar-code.properties
+sonar-project.properties
+.scannerwork/
+whitesource.config
+.whitesource
+
+# Other tools
+.bumpversion.cfg
+.editorconfig
+mypy.ini
+
+#----------------------------------------------------------------------
+# 9. Application runtime files (should not be in image)
+#----------------------------------------------------------------------
+# Databases
+*.db
+*.sqlite
+*.sqlite3
+mcp.db
+db.sqlite3
+
+# Logs
+*.log
+logs/
+log/
+
+# Certificates and secrets
+certs/
+*.pem
+*.key
+*.crt
+*.csr
+.env
+.env.*
+
+# Generated files
+public/
+static/
+media/
+
+# Application instances
+instance/
+local_settings.py
+
+#----------------------------------------------------------------------
+# 10. Framework-specific files
+#----------------------------------------------------------------------
+# Django
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+media/
+
+# Flask
+instance/
+.webassets-cache
+
+# Scrapy
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+docs/build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+*.ipynb
+
+# IPython
+profile_default/
+ipython_config.py
+
+# celery
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+#----------------------------------------------------------------------
+# 11. Backup and temporary files
+#----------------------------------------------------------------------
+*.bak
+*.backup
+*.tmp
+*.temp
+*.orig
+*.rej
+.backup/
+backup/
+tmp/
+temp/
+
+#----------------------------------------------------------------------
+# 12. Documentation and miscellaneous
+#----------------------------------------------------------------------
+*.md
+!README.md
+LICENSE
+CHANGELOG
+AUTHORS
+CONTRIBUTORS
+TODO
+TODO.md
+DEVELOPING.md
+CONTRIBUTING.md
+
+# Spelling
+.spellcheck-en.txt
+*.dic
+
+# Shell scripts (if not needed in container)
+test.sh
+scripts/test/
+scripts/dev/
+
+#----------------------------------------------------------------------
+# 13. OS-specific files
+#----------------------------------------------------------------------
+# Windows
+Thumbs.db
+ehthumbs.db
+Desktop.ini
+$RECYCLE.BIN/
+
+# Linux
+*~
+.fuse_hidden*
+.directory
+.Trash-*
+.nfs*
+
+#----------------------------------------------------------------------
+# End of .dockerignore
+#----------------------------------------------------------------------