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I build an image with Python installed and a Python application too. My Python application is a Hello, World! application, just printing "Hello, World!" on the screen. Dockerfile:
FROM python:2-onbuild
CMD ["python", "./helloworld.py"]
In the console I execute:
docker run xxx/zzz
I can see the Hello, World! output. Now I am trying to execute the same application, using the task from ECS. I already pulled it to Docker Hub.
How can I see the output Hello, World!? Is there a way to see that my container runs correctly?
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docker logs <container id> will show you all the output of the container run. If you're running it on ECS, you'll probably need to set DOCKER_HOST=tcp://ip:port for the host that ran the container.
1. Using COPY or ADD command: You can use COPY or ADD command within Dockerfile to copy your file/code into the Docker container. The following Dockerfile example shows how to add the current working directory files and folders into the directory /usr/Qxf2_POM of the container image.
docker logs <container id> will show you all the output of the container run. If you're running it on ECS, you'll probably need to set DOCKER_HOST=tcp://ip:port for the host that ran the container.
194
To view the logs of a Docker container in real time, use the following command:
docker logs -f <CONTAINER>
The -f or --follow option will show live log output. Also if the container is stopped it will fetch its logs.
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