sudo apt install postgresql postgresql-contrib libpq-dev postgresql-9.6-postgis-scripts git-all
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python3 get-pip.pysudo -u postgres psql postgres
CREATE DATABASE capel;
\c capel
CREATE EXTENSION postgis;
CREATE EXTENSION postgis_topology;
\qmkdir capel-venv
cd capel-venv
sudo /usr/bin/pip3 install virtualenv # contemporary version:
virtualenv -p python3 . # python3 -m venv capel-venv
source ./capel-venv/bin/activate
pip install psycopg2-binary geoalchemy2 Flask flask_sqlalchemy flask_cors pyjwt Flask-Migrate sendgrid reportlab PyPDF2 certifi
# IOS: Applications/Python\ 3.6/Install\ Certificates.commandgit clone https://github.com/NaturalSolutions/capel-server.gitCreate/edit app.conf
cd capel-server# sample conf
from datetime import timedelta
try:
from credentials import dbcredentials as dba
except Exception:
dba = 'postgres@'
SQLALCHEMY_DATABASE_URI = f'postgresql://{dba}localhost/capel'
SQLALCHEMY_TRACK_MODIFICATIONS = False
JWTSECRET = b'SECRET_ENCRYPTION_KEY'
JWT_AUTH_TYPE = 'Bearer'
JWT_ID_TK_EXP = timedelta(seconds=30)
VALID_PWD_MIN_LEN = 6
SENDGRID_API_KEY = 'SENDGRID_API_KEY'
WEBAPP_URL = 'WEBAPP_URL'
SERVER_URL = 'SERVER_URL'
PERMITS_DIR = 'permits'cd capel-server
source ../capel-venv/bin/activate
export FLASK_APP=app.py
# export APP_DEBUG=true
# export CAPEL=/path/to/special_capel_conf.py
flask db init # on first run
flask db migrate # on subsequent runs with an updated db schema
flask db upgrade
flask runcurl https://cli-assets.heroku.com/install-standalone.sh | sh
heroku login
pip install gunicorn
echo 'web: gunicorn app:app' > Procfile
echo 'release: FLASK_APP=app.py flask db upgrade' >> Procfile
pip freeze > requirements.txt
# commit changes# run app locally, interrupt with CTRL-C
heroku local
# create "heroku" git remote
heroku create capel-beta
echo 'python-3.6.4' > runtime.txt
# install Heroku postgres free plan
heroku addons:create heroku-postgresql:hobby-devheroku pg:psql --app capel-betaCREATE EXTENSION postgis;
CREATE EXTENSION postgis_topology;
\q# Copy/paste DATABASE_URL value to app_conf.py SQLALCHEMY_DATABASE_URI
heroku config
git commit -am 'Update SQLALCHEMY_DATABASE_URI from "heroku config".'
FLASK_APP=app.py flask db initPatch migrations/env.py to ignore 'spatial_ref_sys' table.
--- a/migrations/env.py
+++ b/migrations/env.py
@@ -26,6 +26,11 @@ target_metadata = current_app.extensions['migrate'].db.metadata
# can be acquired:
# my_important_option = config.get_main_option("my_important_option")
# ... etc.
+def include_object(object, name, type_, reflected, compare_to):
+ if (name == 'spatial_ref_sys'):
+ return False
+ else:
+ return True
def run_migrations_offline():
@@ -41,7 +46,10 @@ def run_migrations_offline():
"""
url = config.get_main_option("sqlalchemy.url")
- context.configure(url=url)
+ context.configure(
+ url=url,
+ include_object=include_object
+ )
with context.begin_transaction():
context.run_migrations()
@@ -73,6 +81,7 @@ def run_migrations_online():
context.configure(connection=connection,
target_metadata=target_metadata,
process_revision_directives=process_revision_directives,
+ include_object=include_object,
**current_app.extensions['migrate'].configure_args)
try:Update lastest migrations/versions/<migration_id>.py withimport geoalchemy2
FLASK_APP=app.py flask db migrate
git push heroku <branchname>:master
heroku run upgrade
# Ensure that at least one instance of the app is running
heroku ps:scale web=1
heroku config:set WEB_CONCURRENCY=3
heroku open
heroku logs -theroku run python -app <app name>
import os
db = os.environ.get('DATABASE_URL')
export DATABASE_URL = db
export FLASK_APP=app.py
flask db migrate
git push heroku master
PS: import geoalchemy2 in last migrate version update divesites d1
set heart_id = d2.id
from divesites d2
where
st_contains(d2.geom_poly, ST_GeomFromText('POINT(' || d1.longitude || ' ' ||d1.latitude || ')',4326))
and d1.category='site'
and d2.category='coeur'
and d2.status='enabled';CREATE OR REPLACE FUNCTION add_heart_to_site_function()
RETURNS trigger AS
$$
BEGIN
update divesites d1
set heart_id = d2.id
from divesites d2
where
st_contains(d2.geom_poly, ST_GeomFromText('POINT(' || d1.longitude || ' ' ||d1.latitude || ')',4326))
and d1.category='site'
and d2.category='coeur'
and d2.status='enabled'
and d1.id = NEW.id;
RETURN NEW;
END;
$$
LANGUAGE 'plpgsql';
CREATE TRIGGER add_heart_to_site
AFTER INSERT
ON divesites
FOR EACH ROW
EXECUTE PROCEDURE add_heart_to_site_function();
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