diff --git a/lib/lib.sh b/lib/lib.sh
index be371ff..7448536 100644
--- a/lib/lib.sh
+++ b/lib/lib.sh
@@ -178,6 +178,10 @@ function clobber() {
     rm -fr /tmp/forgejo-end-to-end
 }
 
+: ${GITLAB_USER:=root}
+: ${GITLAB_PASSWORD:=Wrobyak4}
+: ${GITLAB_PORT:=8181}
+
 function start_gitlab_cache_load() {
     local image=$1
     local d=$DIR_BINARIES/gitlab
@@ -202,17 +206,17 @@ function start_gitlab() {
 
     start_gitlab_cache_load $image
 
-    local GITLAB_OMNIBUS_CONFIG="nginx['listen_https'] = false ; nginx['listen_port'] = 8181 ; external_url 'http://0.0.0.0:8181'; gitlab_rails['gitlab_shell_ssh_port'] = 2221;"
+    local GITLAB_OMNIBUS_CONFIG="nginx['listen_https'] = false ; nginx['listen_port'] = 8181 ; external_url 'http://$IP:$GITLAB_PORT'; gitlab_rails['gitlab_shell_ssh_port'] = 2221; $config"
     docker run --name="test-gitlab" --shm-size=128M -d \
 	   -e GITLAB_OMNIBUS_CONFIG="$GITLAB_OMNIBUS_CONFIG" \
-	   -p 2221:22 -p 8181:8181 \
+	   -p 2221:22 -p $GITLAB_PORT:8181 \
 	   $image >& /dev/null < /dev/null
 
     start_gitlab_cache_save $image
 
     for i in $(seq 10) ; do
-	if test $(curl --silent http://0.0.0.0:8181 -o /dev/null -w "%{http_code}") = 302 ; then
-	    docker exec test-gitlab gitlab-rails runner "user = User.find_by_username 'root'; user.password = 'Wrobyak4'; user.password_confirmation = 'Wrobyak4'; user.password_automatically_set = false ; user.save!"
+	if test $(curl --silent http://$IP:$GITLAB_PORT -o /dev/null -w "%{http_code}") = 302 ; then
+	    docker exec test-gitlab gitlab-rails runner "user = User.find_by_username 'root'; user.password = '$GITLAB_PASSWORD'; user.password_confirmation = '$GITLAB_PASSWORD'; user.password_automatically_set = false ; user.save!"
 	    docker exec test-gitlab$serial gitlab-rails runner "Gitlab::CurrentSettings.current_application_settings.update(default_vcs_type: 'git')"
 	    log_info "GitLab is ready"
 	    return