Add config file env fix to azure.rs as well

Signed-off-by: Denys Fedoryshchenko <denys.f@collabora.com>

Author: nuclearcat

src/azure.rs

@@ -42,7 +42,11 @@ struct AzureConfig {
 /// Get Azure credentials from config.toml
 fn get_azure_credentials(name: &str) -> AzureConfig {
     let args = Args::parse();
-    let cfg_file = args.config_file;
+    let mut cfg_file = args.config_file;
+    // check if env variable available KCI_STORAGE_CONFIG
+    if let Ok(env_cfg_file) = std::env::var("KCI_STORAGE_CONFIG") {
+        cfg_file = env_cfg_file;
+    }
     let cfg_content = std::fs::read_to_string(cfg_file).unwrap();
     let cfg: Table = toml::from_str(&cfg_content).unwrap();
     let azure_cfg = cfg.get(name).unwrap();