Docker ------ [(Up)](../../README.md#topics) - - - - ### Web resources [dockerfile - Is it necessary to RUN apk update && apk upgrade in a docker build stage? - Stack Overflow](https://stackoverflow.com/questions/72045168/is-it-necessary-to-run-apk-update-apk-upgrade-in-a-docker-build-stage/76440791#76440791) ★ [From Docker Container to Bootable Linux Disk Image](https://iximiuz.com/en/posts/from-docker-container-to-bootable-linux-disk-image/) ★