version id, 2

Dockerfile

@@ -12,8 +12,8 @@ WORKDIR ${APP_DIR}
 RUN \
   apk add --no-cache build-base libpq-dev && \
   pip install -r requirements.txt && \
-  sed -i -e 's/VERSION_ID1/'$VERSION_ID1'/' ${APP_DIR}/templates/index.html && \ 
-  sed -i -e 's/VERSION_ID2/'$VERSION_ID2'/' ${APP_DIR}/templates/index.html 
+  if [ "${VERSION_ID2}" != "" ]; then VERSION_ID=${VERSION_ID2}; else VERSION_ID=${VERSION_ID1}; fi && \
+  sed -i -e 's/VERSION_ID/'$VERSION_ID'/' ${APP_DIR}/templates/index.html 
 
 EXPOSE 8080
 

src/templates/index.html

@@ -177,7 +177,7 @@ function updateTotalNutrition() {
     <nav id="navbar">
         <h1>Elo's Rezept Rechner</h1>
         <ul>
-	    <li class="versionid">VERSION_ID1 - VERSION_ID2</li>
+	    <li class="versionid">VERSION_ID</li>
             <li><a href="/" class="active">Rechner</a></li>
             <li><a href="/nutrition">Neue Lebensmittel</a></li>
         </ul>