update centos 8 docker

Author: mevdschee

README.md

@@ -1397,7 +1397,7 @@ I am testing mainly on Ubuntu and I have the following test setups:
   - (Docker) Ubuntu 18.04 with PHP 7.2, MySQL 5.7, PostgreSQL 10.4 (PostGIS 2.4) and SQLite 3.22
   - (Docker) Debian 10 with PHP 7.3, MariaDB 10.3, PostgreSQL 11.4 (PostGIS 2.5) and SQLite 3.27
   - (Docker) Ubuntu 20.04 with PHP 7.4, MySQL 8.0, PostgreSQL 12.2 (PostGIS 3.0) and SQLite 3.31
-  - (Docker) CentOS 8 with PHP 8.1, MariaDB 10.6, PostgreSQL 12.8 (PostGIS 3.0) and SQLite 3.26
+  - (Docker) CentOS 8 with PHP 8.1, MariaDB 10.7, PostgreSQL 12.10 (PostGIS 3.0) and SQLite 3.26
   - (Docker) Debian 11 with PHP 7.4, MariaDB 10.5, PostgreSQL 13.4 (PostGIS 3.1) and SQLite 3.34
 
 This covers not all environments (yet), so please notify me of failing tests and report your environment. 

docker/centos8/Dockerfile

@@ -1,5 +1,10 @@
 FROM centos:8
 
+# centos has reached EOL on December 31st, 2021 use vault:
+RUN sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
+RUN sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
+RUN yum update -y
+
 # add this to avoid locale warnings
 RUN dnf -y install glibc-locale-source glibc-langpack-en
 RUN localedef -i en_US -f UTF-8 en_US.UTF-8

docker/centos8/run.sh

@@ -2,7 +2,7 @@
 echo "================================================"
 echo " CentOS 8 (PHP 8.1)"
 echo "================================================"
-echo -n "[1/4] Starting MariaDB 10.6 ..... "
+echo -n "[1/4] Starting MariaDB 10.7 ..... "
 # initialize mysql
 mysql_install_db > /dev/null
 chown -R mysql:mysql /var/lib/mysql
@@ -21,7 +21,7 @@ FLUSH PRIVILEGES;
 EOF
 echo "done"
 
-echo -n "[2/4] Starting PostgreSQL 12.8 .. "
+echo -n "[2/4] Starting PostgreSQL 12.10 .. "
 # initialize postgresql
 su - -c "/usr/pgsql-12/bin/initdb --auth-local peer --auth-host password -D /var/lib/pgsql/data" postgres > /dev/null
 # run postgres server