launch.json

{
   // Use IntelliSense to find out which attributes exist for C# debugging
   // Use hover for the description of the existing attributes
   // For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
   "version": "0.2.0",
   "configurations": [
    {
        "name": ".NET Core Attach",
        "type": "coreclr",
        "request": "attach",
        "processId": "${command:pickProcess}"
    },
    {
        "name": ".NET Core Launch (core-tenant) with Dapr",
        "type": "coreclr",
        "request": "launch",
        "preLaunchTask": "daprd-debug",
        "program": "${workspaceFolder}/Core/Tenant/src/Core.Tenant.Service/bin/Debug/netcoreapp3.1/Core.Tenant.Service.dll",
        "args": [],
        "cwd": "${workspaceFolder}/Core/Tenant/src/Core.Tenant.Service",
        "stopAtEntry": false,
        "serverReadyAction": {
            "action": "openExternally",
            "pattern": "^\\s*Now listening on:\\s+(https?://\\S+)"
        },
        "env": {
            "ASPNETCORE_ENVIRONMENT": "Development",
            "ASPNETCORE_URLS": "http://+:5000,https://+:5001"
        },
        "sourceFileMap": {
            "/Views": "${workspaceFolder}/Views"
        },
        "postDebugTask": "daprd-down"
    },
],"compounds": [
    {
        "name": "All Services",
        "configurations": [".NET Core Launch (core-tenant) with Dapr"],
        "preLaunchTask": "build"

    }
]
}

tasks.json

{
    // See https://go.microsoft.com/fwlink/?LinkId=733558
    // for the documentation about the tasks.json format
    "version": "2.0.0",
    "tasks": [
        {
            "label": "build",
            "command": "dotnet",
            "type": "shell",
            "args": [
                "build",
                "${workspaceFolder}/Core/Tenant/src/Core.Tenant.sln",
                "/property:GenerateFullPaths=true",
                "/consoleloggerparameters:NoSummary"
            ],
            "group": "build",
            "presentation": {
                "reveal": "silent"
            },
            "problemMatcher": "$msCompile"
        },
        {
            "appId": "core-tenant",
            "appPort": 5000,
            "label": "daprd-debug",
            "type": "daprd",
            "placementAddress": "dapr_placement_dapr-dev-container:50005"
        },
        {
            "appId": "core-tenant",
            "label": "daprd-down",
            "type": "daprd-down"
        }
    ]
}

https://gist.github.com/ElanHasson/798ac6d2c1dc1592f52f91fbc702f746#file-tasks-json-L27
Is the really important part.