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Ryuichi Watanabe a92c067f75
Rename docker-compose.yml to docker-compose.yaml (#92)
Signed-off-by: watanabe.ryuichi <jpz2046@linecorp.com>
4 years ago
..
app Updated Dockerfile for flask app 5 years ago
README.md correct reference to number of containers 4 years ago
docker-compose.yaml Rename docker-compose.yml to docker-compose.yaml (#92) 4 years ago

README.md

Compose sample application

Python/Flask application

Project structure:

.
├── docker-compose.yaml
├── app
    ├── Dockerfile
    ├── requirements.txt
    └── app.py

docker-compose.yaml

services: 
  web: 
    build: app 
    ports: 
      - '5000:5000'

Deploy with docker-compose

$ docker-compose up -d
Creating network "flask_default" with the default driver
Building web
Step 1/6 : FROM python:3.7-alpine
...
...
Status: Downloaded newer image for python:3.7-alpine
Creating flask_web_1 ... done

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
c126411df522        flask_web                    "python3 app.py"         About a minute ago  Up About a minute   0.0.0.0:5000->5000/tcp flask_web_1

After the application starts, navigate to http://localhost:5000 in your web browser or run:

$ curl localhost:5000
Hello World!

Stop and remove the containers

$ docker-compose down