Flask

Deploy

reference: https://www.jianshu.com/p/60f361822a7e

MacOS Deploy

1. App Store install XCode

2. Terminal install Xcode command line tool

   $ xcode-select --install
   

3. Install Home-brew

   $ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
   

   1. check Home-brew status (if ready will show ‘Your system is ready to brew.’ )

      $ brew doctor
      

4. Install pyenv and pyenv-virtualenv.
   ref: https://github.com/pyenv/pyenv
   ref: https://github.com/pyenv/pyenv-virtualenv
   ref: https://www.jianshu.com/p/60f361822a7e

   $ brew install pyenv
   $ brew install pyenv-virtualenv
   

   1. below 3 line add to ~/.bash_profile

      PATH="$HOME/.pyenv/bin:$PATH"
      eval "$(pyenv init -)"
      eval "$(pyenv virtualenv-init -)"
      

5. Install python version.

   $ pyenv install 3.6.3
   

   1. See install versions (you can see python 3.6.3 version).

      $ pyenv versions
      

6. Set virtualenv.
   command like : pyenv virtualenv {python version} {alias name}

   $ pyenv virtualenv 3.6.3 python3.6.3
   

7. Set folder python version.
   When enter someone folder. (ex: cd foo).
   command like : pyenv local {alias name}

   $ pyenv local python3.6.3
   

   1. See is it work?

      $ python -V
      

8. Pip install
   If you have pip install list. You can run pip command like this.

   $ pip install -r requirements.txt
   

   1. requirements.txt sample

      Flask==0.12.2
      flask-restplus==0.10.1
      Flask-SQLAlchemy==2.3.2
      Flask-Script==2.0.6
      Flask-Testing
      gunicorn==19.7.1
      gevent==1.2.2
      psycopg2==2.7.3.2
      raven
      

Flask configuration

https://spacewander.github.io/explore-flask-zh/5-configuration.html

It may like this.

app/
    ....
config/
    default.py
    development.py
    staging.py
    production.py
instance/
    config.py

# main.py code writed
app.config.from_object('config.default')
app.config.from_envvar('APP_CONFIG_FILE') # APP_CONFIG_FILE by different environment
app.config.from_pyfile('config.py') # from app/instance/config.py

Create a start.sh to assign different environment configuration.

APP_CONFIG_FILE=/var/www/yourapp/config/production.py \
python run.py