firebase.json

{
    "firestore": {
        "rules": "firestore.rules",
        "indexes": "firestore.indexes.json"
    },
    "hosting": {
        "public": "dist/base",
        "headers": [
            {
                "source": "**/*.@(eot|otf|ttf|ttc|woff|font.css)",
                "headers": [
                    {
                        "key": "Access-Control-Allow-Origin",
                        "value": "*"
                    }
                ]
            },
            {
                "source": "**/*.@(js|css)",
                "headers": [
                    {
                        "key": "Cache-Control",
                        "value": "max-age=31536000"
                    }
                ]
            },
            {
                "source": "**/*.@(jpg|jpeg|gif|png)",
                "headers": [
                    {
                        "key": "Cache-Control",
                        "value": "max-age=31536000"
                    }
                ]
            }
        ],
        "ignore": ["firebase.json", "**/.*", "**/node_modules/**"],
        "rewrites": [
            {
                "source": "**",
                "destination": "/index.html"
            }
        ]
    },
    "functions": {
        "predeploy": ["npm --prefix \"$RESOURCE_DIR\" run lint", "npm --prefix \"$RESOURCE_DIR\" run build"]
    }
}