[ODS-6499] Fix 6.x docker images to work as non-root users

[semalaiappan]

For testing purpose update in compose-sandbox-env-build file

you need add ASPNETCORE_HTTP_PORTS: "8080" in under environment: for api: , sandbox-admin: & swagger:

you need add ports for api :

ports:
  - "81:8080"     

you need add ports for sandbox-admin:

ports:
  - "82:8080"     

you need add ports for swagger:

ports:
  - "83:8080"