Dockerfile – COPY with change of ownership
In order to change the owner of the copied files in the container, it is necessary to add the key “–chown” to the “COPY” command Example:
Tag: Docker
FIX ERROR – Ubuntu: Docker – Error saving credentials
When I try to run a “docker login” on Ubuntu, the following error appears: Error saving credentials: error storing credentials - err: exit status 1, out: `Cannot autolaunch D-Bus without X11 $DISPLAY` Solution:
FIX ERROR – Docker: Err http://http.debian.net jessie-backports/main amd64 Packages
When I try to update the list of repositories in the Docker image based on “node: 8“, the following error appears: Err http://http.debian.net jessie-backports/main amd64 Packages Solution Dockerfile:
FIX ERROR – Docker: the input device is not a TTY
When I try to execute a command inside the Docker container with Jenkins, the following error appears: Solution: Use instead: following:
Jenkins – Deploy in Docker Swarm using Stack Deploy
An example deployment in Docker Swarm from Jenkins using stack deploy. Jenkinsfile:
Docker Swarm over TLS
In this example, there are 3 servers with Docker installed on it. If docker is not installed, you can see the installation here. There will be one manager and two workers: Master – manager (IP: 1.1.1.1) Slave_1 – worker (IP: 1.1.2.1) Slave_2 – worker (IP: 1.1.2.2) Required ports for Docker Swarm to work: 2376 and … Continue reading "Docker Swarm over TLS"
Docker – API over TCP
All steps are relevant for distributions with systemd (tested on CentOS 7 and Ubuntu 18.04) We look at the Docker launch command: Ubuntu 18.04 has a different path, “/lib/systemd/system/docker.service“ We get something similar: Now create the “override.conf” file, just enter: We insert the following there:
Docker – Install (CentOS, Ubuntu)
CentOS 7: Install the necessary utilities: Add the Docker repository to install the current version: Install Docker: