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Shared Environment Variables for Make, Bash and Docker
It is possible to define a set of variables and share them in Make, Bash and the Docker containers that are orchestrated by docker-compose. Docker-compose can use an .env file to substitute variables in a docker-compose...
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Job Control in Bash Scripts
One should be careful when considering an option like this. Sending processes to the background in a script, are you sure this is what you want? However, sometimes ducktape is the only thing that works...
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Docker Authentication
Authenticating to a private registry docker login <url> But make sure to use the complete url, not just the domain. Alternatively, edit your $HOME/.docker/config.json and put your credentials there. Sources https://stackoverflow.com/questions/46418652/docker-pull-returns-denied-access-forbidden-from-private-gitlab-registry ..
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Docker Cleanup
List all images docker images -a Remove dangling images docker rmi -f $(docker images -f "dangling=true" -q) Remove all images docker rmi $(docker images -a -q) Remove unused volumes docker volume prune Remove all dangling data docker system prune Additionally remove also stopped containers and unused images:..
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Docker Networking
Find the Ip Address of the Host within a Docker Container /sbin/ip route|awk '/default/ { print $3 }' ..