Using the command terminal, I try to access the blockMeshDict file from the docker. I access the cavity folder, constant folder, then polyMesh folder. I know the blockMeshDict file is supposed to be within the polyMesh folder, but when I enter 'ls' to view what the polyMesh folder contains, it shows files "points", "owner", "boundary", "faces" and "neighbor", as shown in the first screenshot I uploaded.
I then tried another path by first going into the tutorials folder, which is shown in the second screenshot I uploaded. From tutorials, I went to incompressible -> icoFoam -> cavity -> constant -> polyMesh. But the polyMesh folder only contained "TransportProperties" as shown in the screenshot.
In short, please help me find the blockMeshDict file. enter image description here