fix(enterprise): validate domain as URI

This prevents the user from accidentally using an invalid URI for the
`domain` field (e.g. a domain that's missing the protocol prefix).

garden-service/src/config/project.ts

@@ -333,8 +333,9 @@ export const projectDocsSchema = () =>
       // TODO: Refer to enterprise documentation for more details.
       domain: joi
         .string()
+        .uri()
         .meta({ internal: true })
-        .description("The domain to use for cloud features. Should point to the API/backend base URL."),
+        .description("The domain to use for cloud features. Should be the full API/backend URL."),
       // Note: We provide a different schema below for actual validation, but need to define it this way for docs
       // because joi.alternatives() isn't handled well in the doc generation.
       environments: joi

garden-service/test/unit/src/commands/login.ts

@@ -32,7 +32,7 @@ function makeCommandParams(garden: TestGarden) {
 describe("LoginCommand", () => {
   let tmpDir: tmp.DirectoryResult
   let projectConfig: ProjectConfig
-  const dummyDomain = "dummy-domain"
+  const dummyDomain = "http://dummy-domain.com"
 
   before(async () => {
     tmpDir = await tmp.dir({ unsafeCleanup: true })