Updated the config file format

templates/weatherapi/config.yml.j2

@@ -1,9 +1,13 @@
 ---
+server:
+  listen_addr: ":8080"
+  default_format: json
+
+databases:
   - name: weatherdb
     driver: postgres
-    params:
+    uri: postgres://{{ feedstack_weatherdb_user }}:{{ feedstack_weatherdb_password }}@weatherdb:5432/{{ feedstack_weatherdb_database }}?sslmode=disable
-      uri: postgres://weatherdb:5432/{{ feedstack_weatherdb_database }}?sslmode=disable
-      username: {{ feedstack_weatherdb_user }}
-      password: {{ feedstack_weatherdb_password }}
 
+templates:
+  base_dir: templates
 ...