hi
its a nice post. i had a qns.
i noticed almost everywhere people use the 'image: docker:latest' in build along with dind service.
whats the purpose of using docker:17 image , cant i use alpine image with dind service and build image? , as dind launches the docker daemon ?
appreciate if you can help me understand . thanks
Hi Vishnu,
When building Docker images, we need both Docker client and Docker daemon. That's why we:
docker:17
docker:dind
There is a simple example of this interaction on Docker hub hub.docker.com/_/docker without involving GitLab CI.
p.s. FYI there are alternative solutions that allow building docker images without docker client, but these are out of scope and require more effort.
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hi
its a nice post. i had a qns.
i noticed almost everywhere people use the 'image: docker:latest' in build along with dind service.
whats the purpose of using docker:17 image , cant i use alpine image with dind service and build image? , as dind launches the docker daemon ?
appreciate if you can help me understand . thanks
Hi Vishnu,
When building Docker images, we need both Docker client and Docker daemon. That's why we:
docker:17as a base image for the job to call Docker client;docker:dindto the job as a service for the daemon.There is a simple example of this interaction on Docker hub hub.docker.com/_/docker without involving GitLab CI.
p.s. FYI there are alternative solutions that allow building docker images without docker client, but these are out of scope and require more effort.