firebase.json

{
  "hosting": {
    "public": "build",
    "ignore": [
      "firebase.json",
      "**/.*",
      "**/node_modules/**"
    ],
    "redirects": [
      {
        "regex": "/(es|pt)/topics/([a-z0-9\\-]+)/\\d{2}-([a-z0-9\\-]+)/\\d{2}-([a-z0-9\\-]+)/\\d{2}-([a-z0-9\\-]+)",
        "destination": "/:1/topics/:2/:3/:4/:5",
        "type": 301
      },
      {
        "regex": "/(es|pt)/topics/([a-z0-9\\-]+)/\\d{2}-([a-z0-9\\-]+)/\\d{2}-([a-z0-9\\-]+)",
        "destination": "/:1/topics/:2/:3/:4",
        "type": 301
      },
      {
        "regex": "/(es|pt)/topics/([a-z0-9\\-]+)/\\d{2}-([a-z0-9\\-]+)",
        "destination": "/:1/topics/:2/:3",
        "type": 301
      },
      {
        "regex": "/(es|pt)/js/(topics|gym)",
        "destination": "/:1/web-dev/:2",
        "type": 301
      },
      {
        "regex": "/(es|pt)/js",
        "destination": "/:1/web-dev",
        "type": 301
      }
    ],
    "rewrites": [
      {
        "source": "**",
        "destination": "/index.html"
      }
    ],
    "trailingSlash": false
  }
}