ledger accounts improvement

api/ledger/config.dev.yml

@@ -0,0 +1,40 @@
+runtime:
+  shutdown_timeout_seconds: 15
+
+grpc:
+  network: tcp
+  address: ":50052"
+  advertise_host: "dev-ledger"
+  enable_reflection: true
+  enable_health: true
+
+metrics:
+  address: ":9401"
+
+database:
+  driver: mongodb
+  settings:
+    host_env: LEDGER_MONGO_HOST
+    port_env: LEDGER_MONGO_PORT
+    database_env: LEDGER_MONGO_DATABASE
+    user_env: LEDGER_MONGO_USER
+    password_env: LEDGER_MONGO_PASSWORD
+    auth_source_env: LEDGER_MONGO_AUTH_SOURCE
+    replica_set_env: LEDGER_MONGO_REPLICA_SET
+
+messaging:
+  driver: NATS
+  settings:
+    url_env: NATS_URL
+    host_env: NATS_HOST
+    port_env: NATS_PORT
+    username_env: NATS_USER
+    password_env: NATS_PASSWORD
+    broker_name: Ledger Service
+    max_reconnects: 10
+    reconnect_wait: 5
+    buffer_size: 1024
+
+fees:
+  address: "dev-billing-fees:50060"
+  timeout_seconds: 3