firebase.json

{
    "database": {
        "rules": "database.rules.json"
    },
    "hosting": {
        "public": "dist",
        "rewrites": [
            { "source": "/sitemap.txt", "function": "generateSitemap" },
            { "source": "/404", "function": "notFoundError" },
            {
                "source": "**",
                "destination": "/index.html"
            }
        ],
        "headers": [
            // {
            //   "source": "/",
            //   "headers": [
            //     {
            //       "key": "Link",
            //       "value": "</app-admin-admin-module-ngfactory.c238cc83e9597f3b1593.js>;rel=preload;as=script,</main.14df1986f4959c379a78.js>;rel=preload;as=script,</runtime.55af723e44788f68523c.js>;rel=preload;as=script,</safety-worker.js>;rel=preload;as=script,</styles.4f278958c767cb999df1.css>;rel=preload;as=style,</webfont.js>;rel=preload;as=script,"
            //     }
            //   ]
            // },
            {
                "source": "**/*.js",
                "headers": [
                    {
                        "key": "Cache-Control",
                        "value": "max-age=14400"
                    }
                ]
            },
            {
                "source": "blog/*",
                "headers": [
                    {
                        "key": "Content-Type",
                        "value": "text/html"
                    }
                ]
            },
            {
                "source": "bio",
                "headers": [
                    {
                        "key": "Content-Type",
                        "value": "text/html"
                    }
                ]
            }
        ]
    },
    "functions": {
        "predeploy": "npm --prefix functions run build"
    }
}