fix: verify hosting response content types

config/hosting/cache-policy.json

@@ -4,21 +4,25 @@
     "index": {
       "path": "/",
       "cacheControl": "no-cache",
+      "contentTypes": ["text/html"],
       "securityHeaders": true
     },
     "runtimeConfig": {
       "path": "/config.json",
       "cacheControl": "no-store",
+      "contentTypes": ["application/json"],
       "securityHeaders": true
     },
     "releaseManifest": {
       "path": "/release-manifest.json",
       "cacheControl": "no-store",
+      "contentTypes": ["application/json"],
       "securityHeaders": true
     },
     "hashedAsset": {
       "pathPattern": "/assets/*",
       "cacheControl": "public, max-age=31536000, immutable",
+      "contentTypes": ["text/javascript", "application/javascript"],
       "securityHeaders": false
     },
     "sourceMap": {

config/hosting/response-headers.fixture.json

@@ -3,6 +3,7 @@
   "responses": {
     "index": {
       "cache-control": "no-cache",
+      "content-type": "text/html; charset=utf-8",
       "content-security-policy": "default-src 'self'; base-uri 'self'; object-src 'none'; frame-ancestors 'none'; form-action 'self'; script-src 'self'; style-src 'self'; img-src 'self' data:; connect-src 'self' https:; font-src 'self'; upgrade-insecure-requests",
       "strict-transport-security": "max-age=31536000; includeSubDomains",
       "x-frame-options": "DENY",
@@ -12,6 +13,7 @@
     },
     "runtimeConfig": {
       "cache-control": "no-store",
+      "content-type": "application/json; charset=utf-8",
       "content-security-policy": "default-src 'self'; base-uri 'self'; object-src 'none'; frame-ancestors 'none'; form-action 'self'; script-src 'self'; style-src 'self'; img-src 'self' data:; connect-src 'self' https:; font-src 'self'; upgrade-insecure-requests",
       "strict-transport-security": "max-age=31536000; includeSubDomains",
       "x-frame-options": "DENY",
@@ -21,6 +23,7 @@
     },
     "releaseManifest": {
       "cache-control": "no-store",
+      "content-type": "application/json; charset=utf-8",
       "content-security-policy": "default-src 'self'; base-uri 'self'; object-src 'none'; frame-ancestors 'none'; form-action 'self'; script-src 'self'; style-src 'self'; img-src 'self' data:; connect-src 'self' https:; font-src 'self'; upgrade-insecure-requests",
       "strict-transport-security": "max-age=31536000; includeSubDomains",
       "x-frame-options": "DENY",
@@ -29,7 +32,8 @@
       "permissions-policy": "camera=(), microphone=(), geolocation=()"
     },
     "hashedAsset": {
-      "cache-control": "public, max-age=31536000, immutable"
+      "cache-control": "public, max-age=31536000, immutable",
+      "content-type": "text/javascript; charset=utf-8"
     }
   }
 }