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## Compose sample application
### Python/FastAPI application
Project structure:
```
├── compose.yaml
├── Dockerfile
├── requirements.txt
├── app
├── main.py
├── __init__.py
```
[_compose.yaml_](compose.yaml)
```
services:
api:
build: .
container_name: fastapi-application
environment:
PORT: 8000
ports:
- '8000:8000'
restart: "no"
```
## Deploy with docker compose
```shell
docker-compose up -d --build
```
## 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
7087a6e79610 5c1778a60cf8 "/start.sh" About a minute ago Up About a minute 80/tcp, 0.0.0.0:8000->8000/tcp, :::8000->8000/tcp fastapi-application
```
After the application starts, navigate to `http://localhost:8000` in your web browser and you should see the following json response:
```
{
"message": "OK"
}
```
Stop and remove the containers
```
$ docker compose down
```
## Use with Docker Development Environments
You can use this sample with the Dev Environments feature of Docker Desktop.
To develop directly on the services inside containers, use the HTTPS Git url of the sample: