go: make URI_PREFIX configurable

3 files changed, 16 insertions, 8 deletions

diff --git a/go/README.markdown b/go/README.markdown
index e21a132d..56378151 100644
--- a/go/README.markdown
+++ b/go/README.markdown
@@ -12,10 +12,11 @@
 
 ## run service
 
-    HOSTN=go PORT=80 node .
+    HOSTN=go PORT=80 URI_PREFIX=http://go node .
 
   if you omit `HOSTN`, then relative shortened uris will be generated.
   if you omit `PORT`, then it's `1337`.
+  if you omit `URI_PREFIX`, then it will be generated from `HOSTN` änd `PORT`.
 
 ## add uri
 
diff --git a/go/etc/conf.d/go.env b/go/etc/conf.d/go.env
index 1767ffce..1b8c980b 100644
--- a/go/etc/conf.d/go.env
+++ b/go/etc/conf.d/go.env
@@ -1,2 +1,3 @@
 HOSTN=go
 PORT=1337
+URI_PREFIX=http://go
diff --git a/go/index.js b/go/index.js
index 16b6df98..44ff79b5 100644
--- a/go/index.js
+++ b/go/index.js
@@ -1,15 +1,21 @@
-// configuration (and defaults)
+// configuration
 var hostname = process.env.HOSTN;
-var httpPort = process.env.PORT || 1337;
+var httpPort = process.env.PORT;
+var uriPrefix = process.env.URI_PREFIX;
 var redisPrefix = 'go:';
 
 
 // automatic configuration
-var uriPrefix = '';
-if (hostname) {
-  uriPrefix += 'http://' + hostname;
-  if (httpPort != 80) {
-    uriPrefix += ':' + httpPort;
+if (!httpPort) {
+  httpPort = 1337;
+}
+if (!uriPrefix) {
+  uriPrefix = '';
+  if (hostname) {
+    uriPrefix += 'http://' + hostname;
+    if (httpPort != 80) {
+      uriPrefix += ':' + httpPort;
+    }
   }
 }