Add rename URL script to update nginx config with prefix path ENV

Dockerfile

@@ -112,6 +112,9 @@ RUN cp -R /src/web/dist/. /usr/local/lib/web/frontend/
 
 COPY image /
 
+# This has to be called in deriving images
+RUN python /etc/RenameURL.py
+
 EXPOSE 80
 WORKDIR /root
 ENV HOME=/home/ubuntu \

image/etc/RenameURL.py

@@ -0,0 +1,19 @@
+import os, fnmatch
+
+toFind = "/app"
+toReplace = os.getenv("PREFIX_PATH", "/app")
+
+print("using path {0} ...".format(toReplace))
+
+def findReplace(directory, find, replace):
+    print("Rename {0} into {1} at {2}".format(toFind, toReplace, directory))
+    for path, dirs, files in os.walk(os.path.abspath(directory)):
+        for filename in files:
+            filepath = os.path.join(path, filename)
+            with open(filepath) as f:
+                s = f.read()
+            s = s.replace(find, replace)
+            with open(filepath, "w") as f:
+                f.write(s)
+
+findReplace("/etc/nginx/sites-enabled/", toFind, toReplace)