The OpenWrt-dockerbuilder uses pre-compiled packages to build the final image. Go here if you are looking for a docker images to compile OpenWrt completely ...
OpenWrt Docker repository This repository contains scripts to create Docker containers for OpenWrt. The scripts are run via an CI and upload such containers to docker.io. Used variables are VERSION, TARGET, DOCKER_USER, DOCKER_PASS and DOCKER_IMAGE.
May 28, 2020 · GitHub - PearInc/openwrt_docker README.md Container daemons for OpenWrt This feed provides various container-related tools and daemons for OpenWrt. Due to complexity or other factors these are currently not suitable for upstream submission. Prerequisites: