Support custom Azure publish endpoint

utils/config.go

@@ -82,6 +82,7 @@ type AzurePublishRoot struct {
 	AccountKey  string `json:"accountKey"`
 	Container   string `json:"container"`
 	Prefix      string `json:"prefix"`
+	Endpoint    string `json:"endpoint"`
 }
 
 // Config is configuration for aptly, shared by all modules

utils/config_test.go

@@ -124,7 +124,8 @@ func (s *ConfigSuite) TestSaveConfig(c *C) {
 		"      \"accountName\": \"\",\n"+
 		"      \"accountKey\": \"\",\n"+
 		"      \"container\": \"repo\",\n"+
-		"      \"prefix\": \"\"\n"+
+		"      \"prefix\": \"\",\n"+
+		"      \"endpoint\": \"\"\n"+
 		"    }\n"+
 		"  },\n"+
 		"  \"AsyncAPI\": false,\n"+