diff --git a/docs/Dockerfile b/docs/Dockerfile
index 0ed4e5266..a1b9a14af 100644
--- a/docs/Dockerfile
+++ b/docs/Dockerfile
@@ -1,26 +1,23 @@
 FROM docs/base:latest
 MAINTAINER Mary Anthony <mary@docker.com> (@moxiegirl)
 
+ENV PROJECT=registry
+
 # To get the git info for this repo
 COPY . /src
 
-COPY . /docs/content/registry/
+COPY . /docs/content/$PROJECT/
 
-# Sed to process GitHub Markdown
-# 1-2 Remove comment code from metadata block
-# 3 Change ](/word to ](/project/ in links
-# 4 Change ](word.md) to ](/project/word)
-# 5 Remove .md extension from link text
-# 6 Change ](./ to ](/project/word) 
-# 7 Change ](../../ to ](/project/ 
-# 8 Change ](../ to ](/project/ 
-# 
-RUN find /docs/content/registry -type f -name "*.md" -exec sed -i.old \
-    -e '/^<!.*metadata]>/g' \
-    -e '/^<!.*end-metadata.*>/g' \
-    -e 's/\(\]\)\([(]\)\(\/\)/\1\2\/registry\//g' \
-    -e 's/\(\][(]\)\([A-Za-z0-9]*\)\(\.md\)/\1\/registry\/\2/g' \
-    -e 's/\([(]\)\(.*\)\(\.md\)/\1\2/g'  \
-    -e 's/\(\][(]\)\(\.\/\)/\1\/registry\//g' \
-    -e 's/\(\][(]\)\(\.\.\/\.\.\/\)/\1\/registry\//g' \
-    -e 's/\(\][(]\)\(\.\.\/\)/\1\/registry\//g' {} \;
\ No newline at end of file
+# Processing GitHub Markdown
+# 1 Remove <!--[metadata]> and <![end-metadata]-->
+# 2 Remove any leading combination of dots and slashes (./, ../, ../../, etc)
+# 3 Prepend /$PROJECT to all links, remove any trailing .md, only for non http:// links and non internal anchors
+
+RUN find /docs/content/$PROJECT -type f -name "*.md" -not -name "*.compare.md" -exec sed -i.old \
+    -e '/^<!\(--\)\{0,1\}\[\(end-\)\{0,1\}metadata\]\(--\)\{0,1\}>/g' \
+    -e 's/\(\][(]\)\(\.*\/\)*/\1/g' \
+    -e 's/\(\][(]\)\([A-Za-z0-9_/-]\{1,\}\)\(\.md\)\{0,1\}\(#\{0,1\}\(#[A-Za-z0-9_-]*\)\{0,1\}\)[)]/\1\/'$PROJECT'\/\2\4)/g' \
+        {} \;
+
+# Prepare the compare file and expect an empty diff against test.md
+RUN sed -i.old -e 's/\/placeholder\//\/'$PROJECT'\//g' /docs/content/$PROJECT/test.compare.md && diff -u /docs/content/$PROJECT/test.md /docs/content/$PROJECT/test.compare.md
diff --git a/docs/test.compare.md b/docs/test.compare.md
new file mode 100644
index 000000000..86087a15c
--- /dev/null
+++ b/docs/test.compare.md
@@ -0,0 +1,16 @@
+
+WHATEVER
+
+
+WHATEVER AGAIN
+
+
+[display11](/placeholder/link-1) [display12](/placeholder/link_2) [display13](/placeholder/link/3)
+[display21](/placeholder/link-1) [display22](/placeholder/link_2) [display23](/placeholder/link/3)
+[display31.md](/placeholder/link-1) [display32.md](/placeholder/link_2) [display33.md](/placeholder/link/3)
+[display41](/placeholder/link-1) [display42](/placeholder/link_2) [display43](/placeholder/link/3)
+[display51](/placeholder/link-1) [display52](/placeholder/link_2) [display53](/placeholder/link/3)
+[display61](/placeholder/link-1) [display62](/placeholder/link_2) [display63](/placeholder/link/3)
+[display71](/placeholder/link-1#something-else) [display62](/placeholder/link_2#else) [display63](#else)
+
+[dont-touch](https://somewhere/foo.md#dont) [dont-touch](https://somewhere/foo.md#dont)
diff --git a/docs/test.md b/docs/test.md
new file mode 100644
index 000000000..3c139cb30
--- /dev/null
+++ b/docs/test.md
@@ -0,0 +1,16 @@
+<!--[metadata]>
+WHATEVER
+<![end-metadata]-->
+<!--[metadata]>
+WHATEVER AGAIN
+<![end-metadata]-->
+
+[display11](/link-1) [display12](/link_2) [display13](/link/3)
+[display21](link-1.md) [display22](link_2.md) [display23](link/3.md)
+[display31.md](link-1.md) [display32.md](link_2.md) [display33.md](link/3.md)
+[display41](./link-1.md) [display42](./link_2.md) [display43](./link/3.md)
+[display51](../link-1.md) [display52](../link_2.md) [display53](../link/3.md)
+[display61](../../link-1.md) [display62](../../link_2.md) [display63](../../link/3.md)
+[display71](link-1.md#something-else) [display62](link_2#else) [display63](#else)
+
+[dont-touch](https://somewhere/foo.md#dont) [dont-touch](https://somewhere/foo.md#dont)