Docker not exposing the port – CentOS
There is a python application which I'm trying to run inside a docker container. So inside the container when I'm trying to curl I can see the output but when I try to see the output on my host machine…
How does Docker build cache detect a change in a layer when building images?
When I build an image from a Dockerfile in my project, how does Docker know if there has been any change in the packages I import. For example, lets say I have RUN pip install flask in my Dockerfile, and…
DOCKER "Error response from daemon: dockerfile parse error line 38: unknown instruction: ENTRYPOINT["/BIN/ENTRYPOINT.SH"]" – Ubuntu
I'm new to docker and I'd like to understand the reason for this error, I'm creating a dockerfile where to start Elasticsearch, Mysql and the application, when I build it gives me this error "Error response from daemon: dockerfile parse…
Communicate with GET request between 2 applications – only one of them run as a docker container
I have created an image of my application and run a container on one machine. my inner container port is: 8081. I see that the container is running. I would like to talk with that container from another machine from…
Copy file from dockerfile build to host – bandit
I just started learning docker. To teach myself, I managed to containerize bandit (a python code scanner) but I'm not able to see the output of the scan before the container destroys itself. How can I copy the output file…
How to install package in Dockerfile by using Python -m pip install – Ubuntu
I am installing Onnxruntime-extensions from official git repo but fail in Dockerfile: the packages are not ready yet, so it could be installed from source. Please make sure the compiler toolkit like gcc(later than g++ 8.0) or clang, and the…
How can I run two PHP scripts using Docker?
I have an application, that work with rabbitmq. There is 2 php scripts (send and receive messages) but i can run only one script using Dockerfile CMD ["php", "./send.php"] But i have to run two scripts. My tutor ask me…
Renamed docker image and now I cant start the container
As title says I was renaming one of my docker images I built using Dockerfile and docker-compose.yml using the command docker tag old-image-name new-image-name, after that I used docker images to check on my current images and I had BOTH…
Dockerfile showing error "failed to compute cache key: "/Pipfile.lock" not found"
Dockerfile : FROM python:3.8-slim-buster RUN apt-get update && apt-get -y upgrade && apt-get install -y --no-install-recommends make && apt-get clean && rm -rf /var/lib/apt/lists/* && pip install --no-cache-dir --upgrade pip && pip install --no-cache-dir pipenv WORKDIR /sphinxtechnicalwriting COPY Pipfile Pipfile.lock…
Docker mount available in in-container shell, but not from Dockerfile
I have a strange situation where a shell launched from within the container is able to see a mounted volume, but any CMD cannot see that volume for some reason. I have the following source tree: [~/workspace/docker-test]$ tree . ├──…