Creating a custom docker image for VTKWeb with multi-user support (apache proxy)

Sorry for late reply,

json configuration looks like:

{
"resources": [ {"port_range": [9019, 9019], "host": "0.0.0.0"} ],
"sessionData": {
"updir": "/Home"
},
"configuration": {
"log_dir": "/data/pvw/logs",
"host": "0.0.0.0",
"endpoint": "paraview",
"sessionURL": "ws://localhost/proxy?sessionId=${id}&path=ws",
"timeout": 45,
"upload_dir": "/data/pvw/upload",
"fields": ["file", "host", "port", "updir"],
"port": 9020,
"proxy_file": "/data/proxy.txt"
},
"properties": {
"dataDir": "/home/pvw-user/",
"vtkpython" : "/data/pv/pv-5.9/bin/vtkpython",
"vtk_python_path": "/data/pv/pv-5.9/share/vtkjsserver"
},
"apps": {
"cone" : {
"cmd" : [
"${vtkpython}", "${vtk_python_path}/vtkw-server.py", "--port", "${port}", "--updir","${dataDir}","--session", "${id}","--host","0.0.0.0"] ,
"ready_line" : "Starting factory"
}
}
}