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I have problem after upgrading PHP image from 8.0 to PHP image 8.1 and on stackoverflow they sent me there

this is my dockerfile:

FROM php:8.1-apache AS apache RUN a2enmod rewrite WORKDIR /bin WORKDIR ../ RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 0E98404D386FA1D9 6ED0E7B82643E131 F8D2585B8783D481 BDE6D2B9216EC7A8 RUN apt update \ && apt install \ curl \ git \ unzip \ cron \ libzip-dev \ libcurl4-openssl-dev \ pkg-config \ libssl-dev \ libpng-dev \ libjpeg62-turbo-dev \ libicu-dev \ wget \ libcap2-bin \ procps \ -y \ && setcap 'cap_net_bind_service=+ep' /usr/sbin/apache2 \ && chown www-data:www-data /var/log/apache2 \ && wget https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6.1-3/wkhtmltox_0.12.6.1-3.bookworm_amd64.deb \ && apt install -y ./wkhtmltox_0.12.6.1-3.bookworm_amd64.deb \ && rm wkhtmltox_0.12.6.1-3.bookworm_amd64.deb \ && apt-get clean autoclean \ && apt-get autoremove --yes etc...

During image building I have error;

[0mGet:1 http://deb.debian.org/debian bookworm InRelease [151 kB] Get:2 http://deb.debian.org/debian bookworm-updates InRelease [52.1 kB] Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB] Err:1 http://deb.debian.org/debian bookworm InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 0E98404D386FA1D9 NO_PUBKEY 6ED0E7B82643E131 NO_PUBKEY F8D2585B8783D481 Err:2 http://deb.debian.org/debian bookworm-updates InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 0E98404D386FA1D9 NO_PUBKEY 6ED0E7B82643E131 Err:3 http://deb.debian.org/debian-security bookworm-security InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 54404762BBB6E853 NO_PUBKEY BDE6D2B9216EC7A8

If I am adding line:

RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 0E98404D386FA1D9 6ED0E7B82643E131 F8D2585B8783D481 BDE6D2B9216EC7A8

There is error:

[91mE: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation

If I am adding apt installer of gnupg in dockerfile... there is the same error with public keys so I cannot install it

What should I do?

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I'm not getting the missing key errors when I try your Dockerfile. I removed the RUN apt-key ... line and the rest just works. Maybe the php:8.1-apache was buggy at the time you wrote this question.

Since it is difficult to test a solution to a problem that can't be replicated, I only have a suggestion: You could take the key files from a working system and just copy them into the image (they should be in /etc/apt/trusted.gpg.d/). That should return apt to a working state.

Other options that should work:

  1. If you already have a valid local cache of the available packages you could just (re-)install the debian-archive-keyring package, which contains the files. But on a fresh Docker image this is not likely.

  2. You can just download the debian-archive-keyring .deb file from a mirror and install it manually.

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