Date: Tue, 17 Mar 2020 12:29:43 +0700 From: Victor Sudakov <vas@sibptus.ru> To: freebsd-questions@freebsd.org Subject: Re: Technological advantages over Linux Message-ID: <20200317052943.GE19098@admin.sibptus.ru> In-Reply-To: <20200217194207.rxmcomsn4jvmoc7c@sea-ll-10936> References: <mailman.19796.1581888762.21075.freebsd-questions@freebsd.org> <8a9a33b3-4eb1-419c-a9e3-fca4db430619@www.fastmail.com> <20200217194207.rxmcomsn4jvmoc7c@sea-ll-10936>
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--ryJZkp9/svQ58syV Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Ihor Antonov wrote: [dd] >=20 > Basically docker "image" is just collection of layers.=20 > When you work on the dockerfile and > rebuild it regularly - you don't want to rebuild parts that have not > changed. And so docker came up with the idea of image layers. Each > command in Dockerfile creates a layer. And if you did not touch that > specific line in dockerfile - layer will be re-used > When you are finished - your "image" is just a resulting set of layers. > (overly simplified, but the gist of it)=20 This is what the current FreeBSD jail system is lacking. At best, jail management systems like ezjail offer two layers: the base jail and the overlay jail. This is AFAIK. If someone is better informed please correct me. --=20 Victor Sudakov, VAS4-RIPE, VAS47-RIPN 2:5005/49@fidonet http://vas.tomsk.ru/ --ryJZkp9/svQ58syV Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEcBAEBAgAGBQJecGBHAAoJEA2k8lmbXsY0iz4IAI6rzmbwIgK3nM5fK1TKSwNo rvGHaQ91ZQ4XGggCMvpJQ0pu5NvSKCLHdr3OdkR+6QLHC6EF8RFUfwHLWTVfzbv6 wLsqADdJKYnpAh3xhzlK072yF/BwtKyI8lKFKrBKWHLHnPjXmPGtsL+auS+y9PoO qvMwVPIMuaxF6cgYMiKUt/c/K6qv3vxBfuFAbCeOdMlRaOlznqGeobIc/kVjG+J3 pAq005BkKqN/fpNfEhwF/adQgjLU5t+pd7qcOlLmpuXVfuJ+p5RzdHzfbSn6rvnW 2eg/QjDbw0Lka1uZSKQTW/M2gNH+yA1FwyIiafrvZMb0t/si1gwxpz2nX3DEF58= =nOsq -----END PGP SIGNATURE----- --ryJZkp9/svQ58syV--
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