Add test mgr setup

docker/apache-mgr-foreground

@@ -0,0 +1,17 @@
+#!/bin/sh
+set -eux
+
+# Apache gets grumpy about PID files pre-existing
+rm -f /run/apache2/apache2.pid
+
+sed "s/@MYSQL_MGR_USER@/${MYSQL_MGR_USER}/g; s/@MYSQL_MGR_PASSWORD@/${MYSQL_MGR_PASSWORD}/g" \
+  /usr/local/etc/mgr-application.ini > /var/www/manager/application/configs/application.ini
+
+mysql -u "${MYSQL_MGR_USER}" -h db "-p${MYSQL_MGR_PASSWORD}" mgr <<-EOF
+REPLACE INTO system_user (id, system_role_id, login, user_client_crt_s_dn_i_dn)
+VALUES (2, 2,'${CLIENT_CERT_EMAIL}','/CN=${CLIENT_CERT_USERNAME}///C=AU/O=CAcert Inc./CN=Class 3 Test CA');
+EOF
+
+apache2ctl start "$@"
+
+exec tail -F --follow=name --retry /var/log/apache2/error.log