How to reduce the size of docker image?
I build an image from a dockerfile, now I found that its size is 450 MB. But I wanted to reduce the size without deleting it or making changes in dockerfile. How can I do that ? I didn't find…
My container is being exiting itself while creating , What is the solution to solve this issue? – Docker
Am trying to build a docker image for my django webapp and upload it to the docker hub . Then pull that image using kubernetes . Am in trouble creating container out of my docker image , Whenever I create…
i don't know how to access to my drupal website ubuntu – Nginx
I don't know much about Drupal and Drush, but I followed all the instructions and i was able to put a Drupal project on one of my servers. The problem now is that I don't know how to access to…
Run the container if the previous container ran with cmd/entrypoint script successfully – Docker
Im using docker to run container app A, When i upgrade version of container app A i will upgrade remote db using pgsql with image postgres. In k8s, i use init container to init images posgres and run script update.sh…
Do Docker secrets provide any additional security over a bind mount?
From what I understand, Docker secrets and mounts (bind and volume) are all secure ways of managing secrets within a Docker container. I am wondering whether secrets has any security advantages? I have an arbitrarily sized group of secrets. The…
Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist – CentOS
I am trying to download java using yum on centOs which I specified in Dockerfile. After pulling centOs image the run crushed and throw this error!? also to mention that my server instance is AWS EC2! Step 2/9 : RUN…
How is Podman different from Docker?
I know that Docker and Kubernetes solve the same problem. Most users can simply alias Docker to Podman (alias docker=podman) without any problems. So what is the difference between them?
Jenkins CI/CD how to stop running container and start the new pushed one – Docker
I am building a simple Jenkins pipeline, but when I push the deployment from git is said that the port is already used and I need to stop the running one. I can't get the container ID stage("Deploy ") {…
Docker overlay2 folder eating Disk
i have problem with docker overlay2 folder. When I enter du -sj /var/lib/docker/overlay2 in the time of writing it says: 85G overlay2/ And it keeps growing up. I tried to prune system with command like: docker system prune -a But…
Cannot kill container: <container-id>: tried to kill container, but did not receive an exit event – Docker
I cannot stop, remove or kill my docker container. Commands given below with their respective error messages: 1. docker stop <container-id> 2. docker kill <container-id> 3. docker rm <container-id> I get 1. Error response from daemon: cannot stop container: <container-id>:…