Update .dockerignore to trim image

Change-Id: Id102d03526dbcb6c9cf3e52c030d96fe71f903af

.dockerignore

@@ -1,9 +1,137 @@
-.tox
-*.egg-info
+doc
+charts
 examples
+releasenotes
+swagger
+tools
+.editorconfig
+.gitreview
+.gitignore
+.stestr.conf
+.zuul.yaml
 CODE_OF_CONDUCT.rst
-ChangeLog
+Dockerfile
 LICENSE
+Makefile
+test-requirements.txt
+tox.ini
+
+# Copy of .gitignore below
+# ========================
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+etc/*.sample
+etc/hostname
+etc/hosts
+etc/resolv.conf
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.stestr
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+doc/build/
+doc/source/_static
+
+# PyBuilder
+target/
+
+# IPython Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# dotenv
+.env
+
+# virtualenv
+venv/
+ENV/
+
+# Spyder project settings
+.spyderproject
+
+# Rope project settings
+.ropeproject
+
+# Helm internals
+*.lock
+*/*.lock
+*.tgz
+**/*.tgz
+**/_partials.tpl
+**/_globals.tpl
+
+# OSX
+.DS_STORE
+
+AUTHORS
+ChangeLog
 etc/armada/armada.conf
 etc/armada/policy.yaml
-charts/*
+
+# IDEs
+.idea/
+.vscode/