firebase.json

{
  "database": {
    "rules": "database.rules.json"
  },
  "hosting": {
    "public": "dist",
    "ignore": [
      "firebase.json",
      "**/.*",
      "**/node_modules/**"
    ],
    "headers": [
      {
        "regex": ".*course/static/.+\\.[0-9a-f]{8}\\..+",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "public, max-age=31536000, immutable"
          }
        ]
      },
      {
        "regex": ".*course.*",
        "headers": [
          {
            "key": "Cross-Origin-Opener-Policy",
            "value": "same-origin"
          },
          {
            "key": "Cross-Origin-Embedder-Policy",
            "value": "require-corp"
          }
        ]
      }
    ]
  },
  "emulators": {
    "hosting": {
      "port": "3000"
    }
  }
}