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 <CA+OCxoz0JKkgw5tkiqK1FemLhB3O4FuXu7MOBF0B=6EYyvBqQA@mail.gmail.com>
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 <CA+OCxoz0JKkgw5tkiqK1FemLhB3O4FuXu7MOBF0B=6EYyvBqQA@mail.gmail.com>
From: Dave Page <dpage@pgadmin.org>
Date: Fri, 5 Feb 2021 13:47:11 +0000
Message-ID: 
 <CA+OCxoyNaokyPNgJi0yi4dBSxJR-FH8ueE62_VSPfKSQyBZxUQ@mail.gmail.com>
Subject: Re: UBI based container patch
To: pgadmin-hackers <pgadmin-hackers@postgresql.org>
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Precedence: bulk

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* Do not commit this! *

For the archives....

I reworked the patch to minimise the size of the resulting container. I
managed to knock 52MB off, taking it down to 410MB. In parallel, I also
managed to reduce the size of the Alpine container by about 25MB as I
realised we were shipping some files that aren't required.

To reduce the size of the UBI container, I essentially built a 'ubi-micro'
container, by installing only the RPMs that are actually required into an
alternate root directory from within the standard UBI container, and then
copied that directory into the root of a 'FROM scratch' container.
Unfortunately it seems that the issue is essentially the RPM packaging;
pulling in things like Postfix also pulls in a huge amount of dependencies
that aren't really required (for pgAdmin). Alpine avoids this by minimising
their package dependencies.

So, I think it's not feasible to move to UBI, without adding a lot to the
size of the resulting container.

Here's the patch anyway!

On Mon, Feb 1, 2021 at 4:21 PM Dave Page <dpage@pgadmin.org> wrote:

> * Do not commit this! *
>
> The dev team have discussed moving the pgAdmin container to be based on
> Redhat's UBI instead of Alpine Linux. I got some time today to work on
> that, and a patch is attached for interest/archives.
>
> Whilst the build process is arguably cleaner with this patch, plus it
> would be easier to maintain the versions of the PostgreSQL tools that are
> included, unfortunately using UBI takes the size of the container from
> ~278MB to ~462MB.
>
> So... unless someone finds a huge error in the patch that causes this
> bloat, I think we have no choice but to stick with Alpine Linux.
>
> Any thoughts/comments?
>
> --
> Dave Page
> Blog: http://pgsnake.blogspot.com
> Twitter: @pgsnake
>
> EDB: http://www.enterprisedb.com
>
>

-- 
Dave Page
Blog: http://pgsnake.blogspot.com
Twitter: @pgsnake

EDB: http://www.enterprisedb.com

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<div dir=3D"ltr"><div dir=3D"ltr">* Do not commit this! *<br></div><div dir=
=3D"ltr"><br></div><div>For the archives....</div><div><br></div><div>I rew=
orked the patch to minimise the size of the resulting container. I managed =
to knock 52MB off, taking it down to 410MB. In parallel, I also managed to =
reduce the size of the Alpine container by about 25MB as I realised we were=
 shipping some files that aren&#39;t required.</div><div><br></div><div>To =
reduce the size of the UBI container, I essentially built a &#39;ubi-micro&=
#39; container, by installing only the RPMs that are actually required into=
 an alternate root directory from within the standard UBI container, and th=
en copied that directory into the root of a &#39;FROM scratch&#39; containe=
r. Unfortunately it seems that the issue is essentially the RPM packaging; =
pulling in things like Postfix also pulls in a huge amount of dependencies =
that aren&#39;t really required (for pgAdmin). Alpine avoids this by minimi=
sing their package dependencies.</div><div><br></div><div>So, I think it=
9;s not feasible to move to UBI, without adding a lot to the size of the re=
sulting container.</div><div><br></div><div>Here&#39;s the patch anyway!</d=
iv><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On =
Mon, Feb 1, 2021 at 4:21 PM Dave Page &lt;<a href=3D"mailto:dpage@pgadmin.o=
rg">dpage@pgadmin.org</a>&gt; wrote:<br></div><blockquote class=3D"gmail_qu=
ote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,20=
4);padding-left:1ex"><div dir=3D"ltr">* Do not commit this! *<div><br></div=
><div>The dev team have discussed moving the pgAdmin container to be based =
on Redhat&#39;s=C2=A0UBI instead of Alpine Linux. I got some time today to =
work on that, and a patch is attached for interest/archives.</div><div><br>=
</div><div>Whilst the build process is arguably cleaner with this patch, pl=
us it would=C2=A0be easier to maintain the versions of the PostgreSQL tools=
 that are included, unfortunately using UBI takes the size of the container=
 from ~278MB to ~462MB.=C2=A0</div><div><br></div><div>So... unless someone=
 finds a huge error in the patch that causes this bloat, I think we have no=
 choice but to stick with Alpine Linux.</div><div><br></div><div>Any though=
ts/comments?<br clear=3D"all"><div><br></div>-- <br><div dir=3D"ltr"><div d=
ir=3D"ltr">Dave Page<br>Blog: <a href=3D"http://pgsnake.blogspot.com" targe=
t=3D"_blank">http://pgsnake.blogspot.com</a><br>Twitter: @pgsnake<br><br>ED=
B: <a href=3D"http://www.enterprisedb.com" target=3D"_blank">http://www.ent=
erprisedb.com</a><br><br></div></div></div></div>
</blockquote></div><br clear=3D"all"><div><br></div>-- <br><div dir=3D"ltr"=
 class=3D"gmail_signature"><div dir=3D"ltr">Dave Page<br>Blog: <a href=3D"h=
ttp://pgsnake.blogspot.com" target=3D"_blank">http://pgsnake.blogspot.com</=
a><br>Twitter: @pgsnake<br><br>EDB: <a href=3D"http://www.enterprisedb.com"=
 target=3D"_blank">http://www.enterprisedb.com</a><br><br></div></div></div=
>

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