Making sure URLs are always lower-case.

packages/builder/src/components/settings/tabs/General.svelte

@@ -43,7 +43,7 @@
   }
 
   async function checkUrl(url) {
-    urlError = await checkValidation({ url }, urlValidation)
+    urlError = await checkValidation({ url: url.toLowerCase() }, urlValidation)
   }
 
   onMount(async () => {

packages/server/src/api/controllers/application.js

@@ -72,7 +72,7 @@ async function getAppUrlIfNotInUse(ctx) {
   } else {
     url = encodeURI(`${ctx.request.body.name}`)
   }
-  url = `/${url.replace(/\/|\\/g, "")}`
+  url = `/${url.replace(/\/|\\/g, "")}`.toLowerCase()
   const hostingInfo = await getHostingInfo()
   if (hostingInfo.type === HostingTypes.CLOUD) {
     return url

packages/server/src/api/controllers/static/index.js

@@ -29,7 +29,7 @@ function objectStoreUrl() {
 
 async function checkForSelfHostedURL(ctx) {
   // the "appId" component of the URL may actually be a specific self hosted URL
-  let possibleAppUrl = `/${encodeURI(ctx.params.appId)}`
+  let possibleAppUrl = `/${encodeURI(ctx.params.appId).toLowerCase()}`
   const apps = await getDeployedApps()
   if (apps[possibleAppUrl] && apps[possibleAppUrl].appId) {
     return apps[possibleAppUrl].appId