## Compose sample application ### Use with Docker Development Environments You can open this sample in the Dev Environments feature of Docker Desktop version 4.12 or later. [Open in Docker Dev Environments Open in Docker Dev Environments](https://open.docker.com/dashboard/dev-envs?url=https://github.com/docker/awesome-compose/tree/master/flask-redis) ### Python/Flask application using a Redis database Project structure: ``` . ├── Dockerfile ├── README.md ├── app.py ├── compose.yaml └── requirements.txt ``` [_compose.yaml_](compose.yaml) ``` services: redis: image: redislabs/redismod ports: - '6379:6379' web: build: . ports: - "8000:8000" volumes: - .:/code depends_on: - redis ``` ## Deploy with docker compose ``` $ docker compose up -d [+] Running 24/24 ⠿ redis Pulled ... ⠿ 565225d89260 Pull complete [+] Building 12.7s (10/10) FINISHED => [internal] load build definition from Dockerfile ... [+] Running 3/3 ⠿ Network flask-redis_default Created ⠿ Container flask-redis-redis-1 Started ⠿ Container flask-redis-web-1 Started ``` ## Expected result Listing containers must show one container running and the port mapping as below: ``` $ docker compose ps NAME COMMAND SERVICE STATUS PORTS flask-redis-redis-1 "redis-server --load…" redis running 0.0.0.0:6379->6379/tcp flask-redis-web-1 "/bin/sh -c 'python …" web running 0.0.0.0:8000->8000/tcp ``` After the application starts, navigate to `http://localhost:8000` in your web browser or run: ``` $ curl localhost:8000 This webpage has been viewed 2 time(s) ``` ## Monitoring Redis keys Connect to redis database by using ```redis-cli``` command and monitor the keys. ``` redis-cli -p 6379 127.0.0.1:6379> monitor OK 1646634062.732496 [0 172.21.0.3:33106] "INCRBY" "hits" "1" 1646634062.735669 [0 172.21.0.3:33106] "GET" "hits" ``` Stop and remove the containers ``` $ docker compose down ```