Dawn linxuedong

OpenCV

APP_NAME: heroku app name 例如：sushi
DATABASE_URL: global name for postgres add-on 例如：postgresql-curly-xxx

创建备份
heroku pg:backups:capture --app APP_NAME

\copy (select * from t1) To 'filename.csv' With CSV HEADER

OR

COPY (select * from t1) TO '/var/lib/postgresql/f.csv' WITH CSV HEADER;

REF

sudo service postgresql restart

from flask import jsonify
@app.route("/hello")
def hello(): 
    return jsonify({'hello': 'world'})

Test:

import json
class MyTestCase(unittest.TestCase):

Alembic：

alembic revision --autogenerate -m "init"

相当于 Django 中：

python manage.py makemigrations

Alembic:

gzip filename

# eg
gzip test.sql