diff --git a/package.json b/package.json
index 14a35e6..6183dc5 100644
--- a/package.json
+++ b/package.json
@@ -35,9 +35,11 @@
     "body-parser": "^1.18.3",
     "commander": "^2.19.0",
     "express": "^4.16.4",
+    "express-http-proxy": "^1.4.0",
     "git-branch": "^2.0.1",
     "jsonwebtoken": "^8.3.0",
     "toml": "^2.3.3",
+    "url-pattern": "^1.0.3",
     "webpack": "^4.20.2"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 62af431..a4fefd5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -809,6 +809,12 @@ debug@3.1.0:
   dependencies:
     ms "2.0.0"
 
+debug@^3.0.1:
+  version "3.2.6"
+  resolved "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
+  dependencies:
+    ms "^2.1.1"
+
 decode-uri-component@^0.2.0:
   version "0.2.0"
   resolved "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
@@ -960,6 +966,10 @@ errno@^0.1.3, errno@~0.1.7:
   dependencies:
     prr "~1.0.1"
 
+es6-promise@^4.1.1:
+  version "4.2.5"
+  resolved "https://registry.npmjs.org/es6-promise/-/es6-promise-4.2.5.tgz#da6d0d5692efb461e082c14817fe2427d8f5d054"
+
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -1018,6 +1028,14 @@ expand-tilde@^2.0.0, expand-tilde@^2.0.2:
   dependencies:
     homedir-polyfill "^1.0.1"
 
+express-http-proxy@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.npmjs.org/express-http-proxy/-/express-http-proxy-1.4.0.tgz#36524e22f0b93869ca10119b551b23b2626d1e0e"
+  dependencies:
+    debug "^3.0.1"
+    es6-promise "^4.1.1"
+    raw-body "^2.3.0"
+
 express@^4.16.4:
   version "4.16.4"
   resolved "https://registry.npmjs.org/express/-/express-4.16.4.tgz#fddef61926109e24c515ea97fd2f1bdbf62df12e"
@@ -2232,7 +2250,7 @@ range-parser@~1.2.0:
   version "1.2.0"
   resolved "https://registry.npmjs.org/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
 
-raw-body@2.3.3:
+raw-body@2.3.3, raw-body@^2.3.0:
   version "2.3.3"
   resolved "https://registry.npmjs.org/raw-body/-/raw-body-2.3.3.tgz#1b324ece6b5706e153855bc1148c65bb7f6ea0c3"
   dependencies:
@@ -2783,6 +2801,10 @@ urix@^0.1.0:
   version "0.1.0"
   resolved "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
 
+url-pattern@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.npmjs.org/url-pattern/-/url-pattern-1.0.3.tgz#0409292471b24f23c50d65a47931793d2b5acfc1"
+
 url@^0.11.0:
   version "0.11.0"
   resolved "https://registry.npmjs.org/url/-/url-0.11.0.tgz#3838e97cfc60521eb73c525a8e55bfdd9e2e28f1"