diff --git a/docker/webapp.Dockerfile b/docker/webapp.Dockerfile
index 81748e0..ba7cbff 100644
--- a/docker/webapp.Dockerfile
+++ b/docker/webapp.Dockerfile
@@ -10,11 +10,18 @@ ARG APP_IMAGE_CODE=${APP_IMAGE}:${APP_IMAGE_TAG_CODE}
 FROM $APP_IMAGE_CODE as code
 
 # copy public constants into the Docker image to brand it
+COPY tools/ tools/
 COPY branding/static/ static/
 COPY branding/constants/ constants/
-COPY branding/locales/ locales/
+COPY branding/locales/html/ locales/html/
+# COPY branding/locales/index.js locales/index.js
+COPY branding/locales/*.json locales/tmp/
 COPY branding/assets/styles/imports/ assets/styles/imports/
 
+RUN apk add --no-cache bash jq
+
+RUN tools/merge-locales.sh
+
 ##################################################################################
 # BUILD ##########################################################################
 ##################################################################################
diff --git a/tools/merge-locales.sh b/tools/merge-locales.sh
new file mode 100755
index 0000000..21d2632
--- /dev/null
+++ b/tools/merge-locales.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+for locale in `ls locales/*.json`;
+do
+    file=$(basename $locale);
+    if [ -f locales/tmp/$file ]; then
+        jq -s '.[0] * .[1]' $locale locales/tmp/$file > locales/tmp/tmp.json;
+        mv locales/tmp/tmp.json $locale;
+    fi;
+done;
+
+rm -r locales/tmp/