A Ruby on Rails + React developer's common VSCode debug configurations

vscode_launch_ror_react.json

{
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Rails server",
      "type": "Ruby",
      "request": "launch",
      "cwd": "${workspaceRoot}",
      "program": "${workspaceRoot}/bin/rails",
      "args": [
        "server"
      ],
      "useBundler": true,
      "pathToBundler": "${workspaceRoot}/bin/bundle",
      "env": {
        "WEB_CONCURRENCY": 0
      }
    },
    {
      "name": "Rspec",
      "type": "Ruby",
      "request": "launch",
      "cwd": "${workspaceRoot}",
      "useBundler": true,
      "debuggerPort": "1235",
      "pathToBundler": "${workspaceRoot}/bin/bundle",
      "program": "${workspaceRoot}/bin/rspec",
      "args": [
          "${file}"
      ],
      "env": {
        "DISABLE_SPRING": 1
      }
    },
    {
      "type": "node",
      "request": "launch",
      "name": "Jest Test",
      "program": "${workspaceFolder}/node_modules/jest/bin/jest",
      "args": ["--ci", "${file}"],
      "console": "integratedTerminal",
      "internalConsoleOptions": "neverOpen",
      "sourceMaps": true
    }
  ]
}

Source for "WEB_CONCURRENCY": 0 - rubyide/vscode-ruby#426. Without it, the code may stop on a breakpoint while VSCode is listening to the debugger on a different thread, hanging the server without handling the breakpoint correctly in the IDE. Thank you @jonmchan!