feat: use parser to load dynamic config from file.

pkg/provider/file/fixtures/toml/simple_file_01.toml

@@ -1,5 +1,5 @@
 [http.routers]
- 
+
   [http.routers."router1"]
     service = "application-1"
 

pkg/provider/file/fixtures/toml/simple_file_02.toml

@@ -66,7 +66,7 @@
 
   [tcp.services.applicationtcp-1.loadBalancer]
     [[tcp.services.applicationtcp-1.loadBalancer.servers]]
-      url = "http://172.17.0.9:80"
+      address = "http://172.17.0.9:80"
 
 [udp.routers]
 
@@ -77,4 +77,4 @@
 
   [udp.services.applicationudp-1.loadBalancer]
     [[udp.services.applicationudp-1.loadBalancer.servers]]
-      url = "http://172.17.0.10:80"
+      address = "http://172.17.0.10:80"

pkg/provider/file/fixtures/toml/template_in_directory_file02.toml

@@ -1,6 +1,6 @@
 [http.services]
 {{ range $i, $e := until 20 }}
-  [http.services.application-{{ $e }}]
-    [[http.services.application-{{ $e }}.servers]]
-    url="http://127.0.0.1"
+  [http.services.application-{{ $e }}.loadBalancer]
+    [[http.services.application-{{ $e }}.loadBalancer.servers]]
+    url = "http://127.0.0.1"
 {{ end }}

pkg/provider/file/fixtures/yaml/template_in_directory_file01.yml

@@ -1,6 +1,6 @@
 http:
-{{ range $i, $e := until 20 }}
   routers:
+{{ range $i, $e := until 20 }}
     router{{ $e }}:
       service: application-1
 {{ end }}