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Python/Django + JWT auth backend

Technical Stack

- Python/Django: python 3.6,

- Database: PostgreSQL

- JWT auth based RESTful API

Setup environments

1. Install python3.6 

2. Install virtual environment for python3.6

```
$ python3.6 -m venv env3

$ source env3/bin/activate

$ pip install -r requirements.txt

  
### Get static files

  ```
  $ mkdir static_backend/js
  
  $ mkdir static_backend/css

  $ mkdir static_backend/fonts

  $ mkdir static_backend/images

  $ ./manage.py collectstatic
  ```

### Create database on db tool

- create `headshot` database on db tool such as `pgAdmin` or `TablePlus`

### Migrate models into database
  ```
  $ ./manage.py makemigrations
  ```

### Create tables with migration files and create admin user on server

  ```
  $ ./manage.py migrate

  $ ./manage.py createsuperuser
  ```

### Run server with command line
  ```
  $ ./manage.py runserver 0.0.0.0:8000
  ```

### Server urls

- admin page: http://localhost:8000/admin

- api page: http://localhost:8000/apis


### Add productions and quentities for each productions on admin page

- add more productions than 2
- add more quentities than 3

### Deploy server with Docker

- Run these commands on production server

$ docker stop headshot-backend $ echo y | docker container prune $ echo y | docker image prune

$ docker pull valeriia333/headshot-backend

$ docker network create --subnet=172.17.0.0/16 headshotnet

$ docker run -d
-e DATABASE_ENGINE=django.db.backends.postgresql_psycopg2
-e DATABASE_NAME=headshot
-e DATABASE_USER_NAME=postgres
-e DATABASE_PASSWORD=postgres
-e DATABASE_HOST=206.189.193.17
-e DATABASE_PORT=5432
-p 8000:8000
--net headshotnet
--ip 172.20.0.2
--name headshot-backend
valeriia333/headshot-backend


- Run docker from docker hub on local

$ docker run -d
-e DATABASE_ENGINE=django.db.backends.postgresql_psycopg2
-e DATABASE_NAME=headshot
-e DATABASE_USER_NAME=postgres
-e DATABASE_PASSWORD=postgres
-e DATABASE_HOST=192.168.0.121
-e DATABASE_PORT=5432
-p 8000:8000
--name headshot-backend
valeriia333/headshot-backend


- Build docker and run it on local

$ docker build . -t headshot-backend

$ docker run -d
-e DATABASE_ENGINE=django.db.backends.postgresql_psycopg2
-e DATABASE_NAME=headshot
-e DATABASE_USER_NAME=postgres
-e DATABASE_PASSWORD=postgres
-e DATABASE_HOST=192.168.0.121
-e DATABASE_PORT=5432
-p 8000:8000
--name headshot-backend
headshot-backend

If you want to stop docker and rebuild / restart it, run these commands.

$ docker stop headshot-backend $ docker rm headshot-backend $ echo y | docker container prune $ echo y | docker image prune

run above commands for building and running


### Troubleshooting

- Remove all migrations

$ find . -path "*/migrations/*.py" -not -name "__init__.py" -delete
$ find . -path "*/migrations/*.pyc"  -delete


### Additional 

- Rendering doc file to image for preview-generate package

$ brew upgrade glibmm
$ brew cask install xquartz
$ brew cask install inkscape
$ brew install xorg-server
$ ln -s /opt/local/bin/inkscape /Applications/Inkscape
$ brew install unoconv

In the case Mac OS, 

$ brew install freetype 
$ brew install imagemagick
$ brew install libmagic
$ brew install ghostscript

$ brew install imagemagick@6
$ ln -s /usr/local/Cellar/imagemagick@6/6.9.10-9/lib/libMagickWand-6.Q16.dylib /usr/local/lib/libMagickWand.dylib

In the case Ubuntu,
$ apt-get install zlib1g-dev libjpeg-dev

In the case CentOS
$ yum install zlib1g-dev libjpeg-dev