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I’m experimenting with a self-hosted CI/CD setup where each pipeline step runs as a Docker container. However, some steps need to build and push their own Docker images I currently use Docker-in-Docker (dind), but I keep seeing mixed opinions about it.

My setup:

services:
  docker:
    image: docker:dind
    privileged: true

It works, but sometimes I get caching issues and network instability between inner and outer daemons.

What's the recommended and most stable approach for this — using docker:dind or mounting the host socket (/var/run/docker.sock)? What's the recommended approach for modern CI tools like GitLab CI or Jenkins agents?

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