Fix Traefik config for DocumentServer virtual path (#3)

Reviewed-on: https://git.onlyoffice.com/ONLYOFFICE/document-server-proxy/pulls/3
Co-authored-by: danilapog <danil.titarenko@onlyoffice.com>
Co-committed-by: danilapog <danil.titarenko@onlyoffice.com>

Author: danilapog

traefik/minimal.toml traefik/v1/minimal.tomltraefik/minimal.toml renamed to traefik/v1/minimal.toml

@@ -1,7 +1,10 @@
-
+# Traefik_v1 example config
+# -------------------------
 # Use this example for the proxy document server running at 'backendserver-address'
 # into the virtual directory 'documentserver-virtual-path'.
 # Replace {{TRAEFIK_HOST}} with a name or an ip of the traefik server
+#
+# Tested with DocumentServer (separate server) + Traefik_v1 (separate server) + onlyoffice/docs-example (separate server)
 
 defaultEntryPoints = ["http"]
 [entryPoints]
@@ -21,7 +24,7 @@ defaultEntryPoints = ["http"]
   passHostHeader = true
 
     [frontends.docservice.headers.customrequestheaders]
-    X-Forwarded-Host = "{{TRAEFIK_HOST}}/documentserver-virtual-path"
+    X-Forwarded-Host = "{{TRAEFIK_HOST}}"
 
     [frontends.docservice.routes.vpath]
-    rule = "PathPrefixStrip:/documentserver-virtual-path/"
+    rule = "Host:{{TRAEFIK_HOST}};PathPrefixStrip:/documentserver-virtual-path/"

traefik/proxy-https-to-http.toml traefik/v1/proxy-https-to-http.tomltraefik/proxy-https-to-http.toml renamed to traefik/v1/proxy-https-to-http.toml

@@ -0,0 +1,36 @@
+# Traefik_v2/v3 example config
+# -------------------------
+# Use this example for the proxy document server running at 'backendserver-address'
+# into the virtual directory 'documentserver-virtual-path'.
+# Replace {{TRAEFIK_HOST}} with a name or an ip of the traefik server
+#
+# Tested with DocumentServer (separate server) + Traefik_v2/v3 (separate server) + onlyoffice/docs-example (separate server)
+
+http:
+  routers:
+    ds:
+      rule: Host(`{{TRAEFIK_HOST}}`) && PathPrefix(`/documentserver-virtual-path`)
+      service: ds
+      middlewares:
+        - strip-vpath
+        - fix-location
+
+  services:
+    ds:
+      loadBalancer:
+        servers:
+          - url: "http://backendserver-address"
+
+  middlewares:
+    strip-vpath:
+      stripPrefix:
+        prefixes:
+          - "/documentserver-virtual-path"
+
+    fix-location:
+      plugin:
+        rewriteResponseHeaders:
+          rewrites:
+            - header: "Location"
+              regex: "^/(.*)$"
+              replacement: "/documentserver-virtual-path/$1"