Pull code

git clone https://github.com/dakario/flask-docker.git
cd flask-docker

Create docker registry

docker run -d -p 5000:5000 --restart always --name registry registry:2

1 Build Docker Image

docker build -t flask-demo:latest .

2 Push Image to docker registry

docker tag flask-demo:latest localhost:5000/flask-demo:latest
docker push localhost:5000/flask-demo:latest

3 Start Flask Container

docker run -d -p 80:80 --name flask1 localhost:5000/flask-demo:latest

4 Change code, rebuild and push image to registry

docker build -t flask-demo:latest
docker tag flask-demo:latest localhost:5000/flask-demo:latest

5 Redeploy

docker rm -f flask1
docker run -d -p 80:80 --name flask1 flask-demo

6 Test ENTRYPOINT with CMD

docker run --name demo1 -p 1080:80 -d flask-demo --app formation run --host=0.0.0.0 --port=80