buildx failed with: ERROR: failed to solve: process "/bin/sh -c set -x && addgroup --system --gid 101 nginx && adduser --system --disabled-login --ingroup nginx --no-create-home --home /nonexistent --gecos \"nginx user\" --shell /bin/false --uid 101 nginx && apt-get update && apt-get install --no-install-recommends --no-install-suggests -y ca-certificates gnupg1 lsb-release git wget make && NGINX_GPGKEY=573BFD6B3D8FBC641079A6ABABF5BD827BD9BF62; found=''; for server in hkp://keyserver.ubuntu.com:80 pgp.mit.edu ; do echo \"Fetching GPG key $NGINX_GPGKEY from $server\"; apt-key adv --keyserver \"$server\" --keyserver-options timeout=10 --recv-keys \"$NGINX_GPGKEY\" && found=yes && break; done; test -z \"$found\" && echo >&2 \"error: failed to fetch GPG key $NGINX_GPGKEY\" && exit 1; apt-get remove --purge --auto-remove -y gnupg1 && rm -rf /var/lib/apt/lists/* && nginxPackages=\" nginx-plus nginx-plus-module-njs \" && echo \"Acquire::https::pkgs.nginx.com::Verify-Peer \\\"true\\\";\" > /etc/apt/apt.conf.d/90nginx && echo \"Acquire::https::pkgs.nginx.com::Verify-Host \\\"true\\\";\" >> /etc/apt/apt.conf.d/90nginx && echo \"Acquire::https::pkgs.nginx.com::SslCert \\\"/etc/ssl/nginx/nginx-repo.crt\\\";\" >> /etc/apt/apt.conf.d/90nginx && echo \"Acquire::https::pkgs.nginx.com::SslKey \\\"/etc/ssl/nginx/nginx-repo.key\\\";\" >> /etc/apt/apt.conf.d/90nginx && printf \"deb https://pkgs.nginx.com/plus/ubuntu `lsb_release -cs` nginx-plus\\n\" > /etc/apt/sources.list.d/nginx-plus.list && mkdir -p /etc/ssl/nginx && cat nginx-repo.crt > /etc/ssl/nginx/nginx-repo.crt && cat nginx-repo.key > /etc/ssl/nginx/nginx-repo.key && apt-get update && apt-get install --no-install-recommends --no-install-suggests -y $nginxPackages curl gettext-base && apt-get remove --purge -y lsb-release && apt-get remove --purge --auto-remove -y && rm -rf /var/lib/apt/lists/* /etc/apt/sources.list.d/nginx-plus.list && rm -rf /etc/apt/apt.conf.d/90nginx /etc/ssl/nginx" did not complete successfully: exit code: 1

Process completed with exit code 2.

nginx-crt= is not a valid secret