Flask API Docker

---

app.py

from flask import Flask, jsonify, request

app = Flask(__name__)

@app.route("/",methods=['GET','POST'])
def home():
    return jsonify({"payload":"Hello world, I am Leo."})

if __name__ == "__main__":
    app.run(debug=True,host='0.0.0.0',port=1111) # must be 0000
    

requirements.txt

Flask==1.1.2
Flask-Bcrypt==0.7.1
Flask-Classful==0.14.2
Flask-Cors==3.0.10
Flask-Ext==0.1
Flask-Jsonpify==1.5.0
Flask-Login==0.5.0
Flask-Markdown==0.3
Flask-MySQL==1.5.1
Flask-SocketIO==4.3.1
Flask-SQLAlchemy==2.4.3
Flask-WTF==0.14.3
    

Dockerfile

FROM python:3.8

COPY requirements.txt ./requirements.txt
COPY app.py ./app.py

RUN pip install -r requirements.txt

CMD ["python","./app.py"]
    

Commands

1. Start container,

docker build -t app_docker -f Dockerfile .
docker run -d -p 2222:1111 app_docker # out:in
    

2. Stop and remove containers and images,

# list image
docker image list
# list container
docker ps -a
# stop and remove
docker stop `docker ps -a | grep app_docker | awk '{print $NF}'`
docker rm `docker ps -a | grep app_docker | awk '{print $NF}'`
## or
docker rm --force `docker ps -a | grep app_docker | awk '{print $NF}'`
# remove image
docker image rm app_docker
    

References

---