firebase.json

{
  "database": {
    "rules": "database.rules.json"
  },
  "hosting": {
    "public": "public",
    "rewrites": [
      {
        "source": "/api/v1/**",
        "function": "webApi"
      },
      {
        "source": "/sendemail",
        "function": "sendEmail"
      },
      {
        "source": "!/@(js|img|node_modules)/**",
        "destination": "/index.html"
      }
    ],
    "redirects": [ {
      "source": "/slides",
      "destination": "https://docs.google.com/presentation/d/1fOXyFDFC-qjj-6yFft6S7XHlt0fHSqYhBjPpkCbIN8Q/edit?usp=sharing",
      "type": 301
    },
    {
      "source": "/amp.html",
      "destination": "/",
      "type": 301
    }],
    "headers": [{
      "source": "**/*.@(eot|otf|ttf|ttc|woff|font.css|jpg|jpeg|gif|png|svg)",
      "headers": [ {
        "key": "Access-Control-Allow-Origin",
        "value": "*"
      } ]
    }]
  },
  "functions": {
    "predeploy": [
      "npm --prefix \"$RESOURCE_DIR\" run lint",
      "npm --prefix \"$RESOURCE_DIR\" run build"
    ]
  }
}