Upgrade doesn't work when installed with subfolder

One thing to note – I have two subfolders not one. If it’s helpful, here’s the run section of my app.yml.

run:
  - exec: echo "Beginning of custom commands"

  - exec:
        cd: $home
        cmd:
          - mkdir -p public/ep/support
          - cd public/ep/support && ln -s ../../uploads && ln -s ../../backups
          - rm public/uploads
          - rm public/backups
  - replace:
       global: true
       filename: /etc/nginx/conf.d/discourse.conf
       from: proxy_pass http://discourse;
       to: |
          rewrite ^/(.*)$ /ep/support/$1 break;
          proxy_pass http://discourse;
  - replace:
       filename: /etc/nginx/conf.d/discourse.conf
       from: etag off;
       to: |
          etag off;
          location /ep/support {
             rewrite ^/ep/support/?(.*)$ /$1;
          }
  - replace:
         filename: /etc/nginx/conf.d/discourse.conf
         from: $proxy_add_x_forwarded_for
         to: $http_fastly_client_ip
         global: true