How do you use tools like dig or nslookup to troubleshoot DNS issues in containers? How do you implement service discovery using environment variables in Docker?

Sep 24, 2021 ... The container has /data/nextcloud/config, data etc. It also has /var/www/nextcloud/config, data etc. It also has /data/etc/apache2 and /etc/apache2. A Docker image is a file used to execute code in a Docker container. Docker images act as a set of instructions to build a Docker cotainer, such as a template. Oct 12, 2022 ... Docker images and Docker containers are not the same. A Docker image, also known as a Docker snapshot, is an immutable template for creating a Docker container. Container. Container images​. Official container image: jellyfin/jellyfin jellyfin Docker Pull Count . LinuxServer.io image: ... When pulling Docker images, Apptainer may be unable to determine the container size if the image was stored using an old Docker format, resulting in a pipeline ... Mar 21, 2025 ... Docker Image is an executable package of software that includes everything needed to run an application. This image informs how a container should instantiate. docker inspect and docker history show the information according to the configuration. Trivy scans the configuration of container images for. Misconfigurations ... leading solution for containerization is Docker containers; the popular image repository Docker Hub, with over nine million accounts, has around 42 billion ... Jul 1, 2016 ... It depends on the driver being used, but the default is: $HOME/Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/Docker.qcow2 A Docker image is a snapshot or blueprint of the libraries and dependencies required inside a container for an application to run.