Fix user/group creation

Author: FaramosCZ

10.11/Dockerfile.rhel10

@@ -35,9 +35,12 @@ LABEL summary="${SUMMARY}" \
 
 EXPOSE 3306
 
-# This image must forever use UID 27 for mysql user so our volumes are
-# safe in the future. This should *never* change, the last test is there
-# to make sure of that.
+# This image must forever use UID 27 for mysql user so our volumes are safe in the future. This should *never* change.
+# Instead of relying on the package, we will do the setup ourselves before the package is installed
+RUN /usr/sbin/groupadd -g 27 -o -r mysql >/dev/null 2>&1 || : && \
+    /usr/sbin/useradd -M -N -g mysql -o -r -d ${HOME} -s /sbin/nologin -c "MySQL Server" -u 27 mysql >/dev/null 2>&1 || : && \
+    test "$(id mysql)" = "uid=27(mysql) gid=27(mysql) groups=27(mysql)"
+
 RUN INSTALL_PKGS="policycoreutils rsync tar xz gettext hostname bind-utils groff-base ${NAME}${MARIADB_SHORT_VERSION}-server" && \
     dnf install -y --setopt=tsflags=nodocs ${INSTALL_PKGS} && \
     rpm -V ${INSTALL_PKGS} && \