firebase.json

{
  "hosting": [ 
    
    {
      "_comment": "HTTP header setting for production channel",
      "_comment-details": "All caches to 1 week, archives must revalidate, others have stale-while-revalidate for 1 month",

      "target": "production",
      "public": "_site",
      "cleanUrls": true,
      "trailingSlash": false,
      "headers": [ {
        "source": "assets/archives/**",
        "headers": [ {
          "key": "Cache-Control",
          "value": "public, max-age=604800, must-revalidate"
        } ]
      }, {
        "source": "assets/!(archives)/**",
        "headers": [ {
          "key": "Cache-Control",
          "value": "public, max-age=604800, stale-while-revalidate=2678400"
        } ]
      }, {
        "source": "**",
        "headers": [  {
          "key": "Referrer-Policy",
          "value": "no-referrer-when-downgrade"
        }, {
          "key": "X-Content-Type-Options",
          "value": "nosniff"
        }, {
          "key": "X-Frame-Options",
          "value": "SAMEORIGIN"
        }, {
          "key": "Report-To",
          "value": "{\"group\":\"default\",\"max_age\":10886400,\"endpoints\":[{\"url\":\"https://nkas07xe.uriports.com/reports\"}],\"include_subdomains\":true}"
        }, {
          "key": "Reporting-Endpoints",
          "value": "default=\"https://nkas07xe.uriports.com/reports\""
        }, {
          "key": "NEL",
          "value": "{\"report_to\": \"default\", \"max_age\": 2592000, \"include_subdomains\": true, \"failure_fraction\": 1.0}"
        }, {
          "key": "Content-Security-Policy-Report-Only",
          "value": "default-src 'self'; font-src 'self' https://cdnjs.cloudflare.com https://fonts.gstatic.com https://ka-f.fontawesome.com; img-src 'self'; script-src 'self' https://cdnjs.cloudflare.com https://kit.fontawesome.com; script-src-elem 'self' https://cdnjs.cloudflare.com https://kit.fontawesome.com https://fadmin.fi.muni.cz; connect-src 'self' https://ka-f.fontawesome.com; style-src 'self' 'unsafe-inline' https://cdnjs.cloudflare.com https://fonts.googleapis.com; style-src-elem 'self' 'unsafe-inline' https://cdnjs.cloudflare.com https://fonts.googleapis.com; style-src-attr 'self'; report-uri https://nkas07xe.uriports.com/reports/report; report-to default"
        }, {
          "key": "Expect-CT",
          "value": "max-age=86400, report-uri=\"https://nkas07xe.uriports.com/reports/report\""
        }, {
          "key": "Permissions-Policy",
          "value": "microphone=(), camera=(), geolocation=()"
        }, {
          "key": "Cross-Origin-Embedder-Policy-Report-Only",
          "value": "require-corp; report-to='default'"
        }, {
          "key": "Cross-Origin-Opener-Policy-Report-Only",
          "value": "same-origin; report-to='default'"
        } ]
      } ]
    },
    
    {
      "_comment": "HTTP header setting for preview channels",
      "_comment-details": "All asset caches down to 5 minutes, report URI is empty",

      "target": "preview",
      "public": "_site",
      "cleanUrls": true,
      "trailingSlash": false,
      "headers": [ {
        "source": "assets/**",
        "headers": [ {
          "key": "Cache-Control",
          "value": "public, max-age=300"
        } ]
      }, {
        "source": "**",
        "headers": [  {
          "key": "Referrer-Policy",
          "value": "no-referrer-when-downgrade"
        }, {
          "key": "X-Content-Type-Options",
          "value": "nosniff"
        }, {
          "key": "X-Frame-Options",
          "value": "SAMEORIGIN"
        }, {
          "key": "NEL",
          "value": "{\"report_to\": \"default\", \"max_age\": 2592000, \"include_subdomains\": true, \"failure_fraction\": 1.0}"
        }, {
          "key": "Content-Security-Policy-Report-Only",
          "value": "default-src 'self'; font-src 'self' https://cdnjs.cloudflare.com https://fonts.gstatic.com https://ka-f.fontawesome.com; img-src 'self'; script-src 'self' https://cdnjs.cloudflare.com https://kit.fontawesome.com; script-src-elem 'self' https://cdnjs.cloudflare.com https://kit.fontawesome.com https://fadmin.fi.muni.cz; connect-src 'self' https://ka-f.fontawesome.com; style-src 'self' 'unsafe-inline' https://cdnjs.cloudflare.com https://fonts.googleapis.com; style-src-elem 'self' 'unsafe-inline' https://cdnjs.cloudflare.com https://fonts.googleapis.com; style-src-attr 'self';"
        }, {
          "key": "Expect-CT",
          "value": "max-age=86400"
        }, {
          "key": "Permissions-Policy",
          "value": "microphone=(), camera=(), geolocation=()"
        }, {
          "key": "Cross-Origin-Embedder-Policy-Report-Only",
          "value": "require-corp; report-to='default'"
        }, {
          "key": "Cross-Origin-Opener-Policy-Report-Only",
          "value": "same-origin; report-to='default'"
        } ]
      } ]
    } 

  ]
}