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## Compose sample application
### Python/Flask application with Nginx proxy and a Mongo database
Project structure:
```
.
├── docker-compose.yaml
├── app
├── Dockerfile
├── requirements.txt
└── app.py
```
[_docker-compose.yaml_](docker-compose.yaml)
```
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 two containers 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: