3344 Adds keys for repositories.

docker/multi-process/scripts/standalone-packages

@@ -6,7 +6,7 @@ apt-get update
 apt-get install -y gnupg
 
 mkdir -m700 $HOME/.gnupg
-gpg --no-default-keyring --keyring /usr/share/keyrings/mysql-keyring.gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys B7B3B788A8D3785C
+gpg --no-default-keyring --keyring /usr/share/keyrings/mysql-keyring.gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 5072E1F5 3A79BD29 B7B3B788A8D3785C 40976EAF437D05B5
 echo "deb [signed-by=/usr/share/keyrings/mysql-keyring.gpg] http://repo.mysql.com/apt/ubuntu/ bionic mysql-5.7" > /etc/apt/sources.list.d/mysql.list
 apt-get update