Make a virtual environment

python3.9 -m venv .venv

Activate the virtual environment

source .venv/bin/activate

Deactivate the virtual environment

deactivate

Freeze requirements

pip freeze > requirements.txt

Build docker image

sudo docker build -t flask-test .

Run docker container from image

sudo docker run -d -v "$(pwd)"/app:/app -p 5000:5000 --name flask-test flask-test

Restart docker container

sudo docker restart flask-test

Remove all stopped containers

#sudo docker rm $(sudo docker ps -a -q)
sudo docker container prune

Remove all dangling images

#sudo docker rmi $(sudo docker images -f "dangling=true" -q)
sudo docker image prune

Run bash in docker container

sudo docker exec -it flask-test bash

Start docker-compose sudo docker-compose up -d

Start docker-compose in dev sudo docker-compose -f docker-compose.yml -f docker-compose.dev.yml up -d

Stop docker-compose in dev sudo docker-compose -f docker-compose.yml -f docker-compose.dev.yml down

Rebuild container sudo docker-compose up -d --build web

View site http://localhost:5000

View site http://localhost:5454

Make sure to connect to database on db.hostname from docker-compose.yml postgres-host

Can be set in /etc/environment to persist through restarts

FLASK_APP_PGADMIN_DEFAULT_EMAIL=user@domain.com
FLASK_APP_PGADMIN_DEFAULT_PASSWORD=password
FLASK_APP_POSTGRES_USER=user
FLASK_APP_POSTGRES_PASSWORD=password
FLASK_ENV=development

Default settings from app/settings/default_settings.cfg

Environment specific settings from app/settings/environment_settings.cfg will override any default settings.

Need to restart flask container (sudo docker restart flask) to pick up setting changes

Set up database (from inside flask container)

flask db init
flask db migrate
flask db upgrade