Some Essential Docker Notes for Python Developers

Alpine

Web Development

$ docker build -f ./web/01_alpine/Dockerfile-alpine -t web-alpine ./web/01_alpine

$ docker images | grep web-alpine

web-alpine    latest    a2a2c0dbff74    About a minute ago    102MB

Data Science

$ docker build -f ./data-science/01_alpine/Dockerfile-alpine -t ds-alpine ./data-science/01_alpine

$ docker images | grep ds-alpine

ds-alpine    latest    c397ae021682    About a minute ago    634MB

Multi-stage Builds

Web Development

$ docker build -f ./web/02_multi/Dockerfile-multi -t web-multi ./web/02_multi

$ docker images | grep web-multi

web-multi    latest    fc6cb94f7a72    About a minute ago    103MB

Data Science

$ docker build -f ./data-science/02_multi/Dockerfile-multi -t ds-multi ./data-science/02_multi

$ docker images | grep ds-multi

ds-multi    latest    a437d9c9974c    About a minute ago    365MB

Order

$ docker build -t web-order ./web/03_order

User

Web Development

$ docker build -t web-user ./web/04_user

Data Science

$ docker build -t ds-user ./data-science/03_user

Docker Compose

Web Development

Build images and spin up the containers:

$ docker-compose -f web/05_compose/docker-compose.yml up -d --build

Create the db table:

$ docker-compose -f web/05_compose/docker-compose.yml run web python manage.py recreate_db

Add a user:

$ docker-compose -f web/05_compose/docker-compose.yml run web python manage.py seed_db

Test:

1. http://localhost:5001/users
2. http://localhost:5001/users/ping

Data Science

Build images and spin up the containers:

$ docker-compose up -d --build

Get the token from the logs:

$ docker-compose logs -f

Test: http://localhost:8888