Add fastapi on the awesome-compose project

Signed-off-by: vjanz <valon.januzaj98@gmail.com>

fastapi/Dockerfile

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+FROM python:3.8
+
+WORKDIR /app
+
+RUN apt update
+
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+CMD ["uvicorn", "--host", "0.0.0.0", "--port", "8000", "src.app:app"]

fastapi/README.md

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+## Compose sample application
+### Python/FastAPI application
+
+Project structure:
+```
+.
+├── docker-compose.yaml
+├── Dockerfile
+├── requirements.txt
+├── src
+    ├── app.py
+    ├── __init__.py
+
+```
+
+[_docker-compose.yaml_](docker-compose.yaml)
+```
+version: '3.7'
+services:
+  api:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: fastapi-service
+    ports:
+      - '8000:8000'
+```
+
+## 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
+69893120c355   fastapi_api   "uvicorn --host 0.0.…"   About a minute ago   Up About a minute   0.0.0.0:8000->8000/tcp   fastapi-service
+```
+
+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
+```
+
+

fastapi/docker-compose.yml

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+version: '3.7'
+services:
+  api:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: fastapi-service
+    ports:
+      - '8000:8000'

fastapi/requirements.txt

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+fastapi
+uvicorn

fastapi/src/app.py

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+from fastapi import FastAPI
+import uvicorn
+
+app = FastAPI(debug=True)
+
+
+@app.get("/")
+def hello_world():
+    return {"message": "OK"}
+
+