set up and first commit

• echo "# flask_mega_tutorial" >> README.md
• git init
• git add README.md
• git commit -m "first commit"
• git remote add origin https://github.com/rmania/flask_mega_tutorial.git In order to avoid annoying required username password when pushing
• git remote set-url origin git+ssh://git@github.com/rmania/ml_deployment.git
• git push -u origin master

Ch4 Key concepts: flask-sqlalchemy Flask-friendly wrapper to the popular SQLAlchemy package, which is an Object Relational Mapper or ORM. ORMs allow applications to manage a database using high-level entities such as classes, objects and methods instead of tables and SQL. The job of the ORM is to translate the high-level operations into database commands. flask-migrate Flask wrapper for Alembic, a database migration framework for SQLAlchemy https://ondras.zarovi.cz/sql/demo/ a SQL designer tool to make diagrams. Migratation Repository using ##Alembic** a lightweight database migration tool for usage with the SQLAlchemy Database Toolkit for Python (https://alembic.sqlalchemy.org/en/latest/)

Ch13 Key concepts: Internationalization and Localization, commonly abbreviated I18n and L10n. Flask-Babel is an extension to Flask that adds i18n and l10n support to any Flask application with the help of babel, pytz and speaklater. https://pythonhosted.org/Flask-Babel/ Adding _() and _l() wrapper objects in the html code to render translations pybabel command to extract them to a .pot file (portable object template). this generates a Language Catalog. Create flask translate init <language-code> , flask translate update and flask translate compile sub-commands with a new cli.py file (relying on click module)