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a42a8531ab
The cache gives no benefit to a Docker image but it does add size, hence it's best left out. Signed-off-by: Andy Madge <andymadge@gmail.com> |
4 years ago | |
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.. | ||
app | 4 years ago | |
README.md | ||
docker-compose.yaml |
README.md
Compose sample application
Python/Flask application
Project structure:
.
├── docker-compose.yaml
├── app
├── Dockerfile
├── requirements.txt
└── app.py
services:
web:
build: app
ports:
- '5000:5000'
Deploy with docker-compose
$ docker-compose up -d
Creating network "flask_default" with the default driver
Building web
Step 1/6 : FROM python:3.7-alpine
...
...
Status: Downloaded newer image for python:3.7-alpine
Creating flask_web_1 ... done
Expected result
Listing containers must show one container running and the port mapping as below:
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
c126411df522 flask_web "python3 app.py" About a minute ago Up About a minute 0.0.0.0:5000->5000/tcp flask_web_1
After the application starts, navigate to http://localhost:5000
in your web browser or run:
$ curl localhost:5000
Hello World!
Stop and remove the containers
$ docker-compose down