// flatpak run org.mozilla.firefox --start-debugger-server { "version": "0.2.0", "configurations": [{ "type": "firefox", "request": "attach", "name": "Attach Firefox", "url": "http://127.0.0.1:8080/", "webRoot": "${workspaceFolder}", "pathMappings": [{ "url": "http://127.0.0.1:8080", "path": "${workspaceFolder}/public" }] }, { "type": "node", "request": "attach", "name": "Node: Nodemon", "processId": "${command:PickProcess}", "restart": true, "protocol": "inspector" } ] }