57 lines
1.2 KiB
Markdown
57 lines
1.2 KiB
Markdown
## Compose sample application
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### Python/Flask application
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Project structure:
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```
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.
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├── docker-compose.yaml
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├── app
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├── Dockerfile
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├── requirements.txt
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└── app.py
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```
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[_docker-compose.yaml_](docker-compose.yaml)
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```
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services:
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web:
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build: app
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ports:
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- '5000:5000'
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```
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## Deploy with docker-compose
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```
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$ docker-compose up -d
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Creating network "flask_default" with the default driver
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Building web
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Step 1/6 : FROM python:3.7-alpine
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...
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...
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Status: Downloaded newer image for python:3.7-alpine
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Creating flask_web_1 ... done
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```
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## Expected result
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Listing containers must show one container running and the port mapping as below:
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```
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$ docker ps
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CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
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c126411df522 flask_web "python3 app.py" About a minute ago Up About a minute 0.0.0.0:5000->5000/tcp flask_web_1
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```
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After the application starts, navigate to `http://localhost:5000` in your web browser or run:
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```
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$ curl localhost:5000
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Hello World!
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```
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Stop and remove the containers
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```
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$ docker-compose down
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```
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