Basic Flask API with Docker
1. Create Flask File
./apy.py
from flask import Flask
app = Flask(__name__)
@app.route('/api/test')
def get_test():
return 'test'
if __name__ == '__main__':
app.run(host = '0.0.0.0', port = 80, debug = True)2. Create pip requirements.txt File
./requirements.txt
Flask==0.123. Create Dockerfile
./Dockerfile
FROM python:2
#The python image uses /usr/src/app as the default run directory:
WORKDIR /usr/src/app
#Copy from the local current dir to the image workdir:
COPY . .
#Install any dependencies listed in our ./requirements.txt:
RUN pip install --no-cache-dir -r requirements.txt
#Run api.py on container startup:
CMD [ "python", "./api.py" ]4. Create Image
sudo docker build -t my_flask_api_img .5. Run Container
sudo docker run -dit --name my_flask_api_container -p 80:80 my_flask_api_img6. Test
Test by going to http://localhost/api/test