feat(t229): load ERP credentials from dotenv

backend-api/cmd/api/main.go

@@ -34,7 +34,7 @@ func main() {
 }
 
 func run() error {
-	cfg, err := config.Load(os.LookupEnv)
+	cfg, err := loadConfig(os.LookupEnv, config.DefaultERPEnvironmentFile)
 	if err != nil {
 		return err
 	}
@@ -93,6 +93,20 @@ func run() error {
 	}
 }
 
+func loadConfig(
+	lookup config.LookupEnvironment,
+	environmentFile string,
+) (config.Config, error) {
+	effectiveLookup, err := config.WithERPEnvironmentFile(
+		environmentFile,
+		lookup,
+	)
+	if err != nil {
+		return config.Config{}, err
+	}
+	return config.Load(effectiveLookup)
+}
+
 func shutdownServer(
 	server *http.Server,
 	serverErrors <-chan error,