Flask App & google app engine not seeing files in Static folder?

Question

SQLite

in order to learn, I made a small Flask application with BLUEPRINT and a database (SQLITE)
The operation of the application on the local machine suits me.
Decided to upload it to the cloud. Like an application - then I started with GOOGLE APP ENGINE
By analogy with the placement of the "Hallowe World" application, I did the same. Since I have already written it and there is a lot of material there, I uploaded the entire folder to the cloud through the cloude editor, created my own folders and applauded the files.
I created a virtual environment and put my requests.txt there.
Locally, on port 8080, the application works fine.
I deployed the application - launched it - does not see the STATIC folder with styles and all sorts of images.
does not write new entries to the database (says that the type is read-only)
directory tree

./FlaskBlog
./FlaskBlog/static
./FlaskBlog/static/Stabilyty
./FlaskBlog/static/Input Type
./FlaskBlog/static/Input Quality
./FlaskBlog/static/profile_pics
./FlaskBlog/static/Rules
./FlaskBlog/errors
./FlaskBlog/errors/__pycache__
./FlaskBlog/posts
./FlaskBlog/posts/__pycache__
./FlaskBlog/users
./FlaskBlog/users/__pycache__
./FlaskBlog/templates
./FlaskBlog/__pycache__
./FlaskBlog/RPA
./FlaskBlog/ RPA/__pycache__
./FlaskBlog/main
./FlaskBlog/main/__pycache__

App.Yaml

entrypoint: "gunicorn -b :$PORT main:app"
handlers: 
  - 
    static_dir: static
    url: static
  - 
    script: auto
    url: /.*
runtime: python37

At the same time, if only
runtime: python37
the result of the work remained there, the same

question 1: the pachima does not see the STATIC folder
2: HOW TO FILL READY PROJECTS ON THE CLOUD?

THANKS FOR THE ANSWERS AND HINTS!!