Display project id on project admin page

app/views/admin/projects/show.html.haml

@@ -54,6 +54,11 @@
           %strong
             = @project.created_at.to_s(:medium)
 
+        %li
+          %span.light ID:
+          %strong
+            = @project.id
+
         %li
           %span.light http:
           %strong

changelogs/unreleased/60949-display-projectid-on-project-admin-page.yml

@@ -0,0 +1,5 @@
+---
+title: Display project id on project admin page
+merge_request: 29734
+author: Zsolt Kovari
+type: added

spec/features/admin/admin_projects_spec.rb

@@ -60,6 +60,7 @@ describe "Admin::Projects" do
       expect(page).to have_content(project.name)
       expect(page).to have_content(project.full_name)
       expect(page).to have_content(project.creator.name)
+      expect(page).to have_content(project.id)
     end
   end