fix: Refactor update script for bash interpreter

Dockerfile

@@ -17,7 +17,11 @@ ENV LANGUAGE en_US:en
 ENV LC_ALL en_US.UTF-8
 
 RUN apt-get update && apt-get upgrade -y && apt-get install -y --no-install-recommends \
-      jq && \
+      curl \
+      jq \
+      locales && \
+    sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && \
+    locale-gen &&
     npm install -g --omit=optional --omit=dev \
       json-server && \
     npm cache clean --force && \

charts/json-server/templates/configmap.yaml

@@ -55,7 +55,7 @@ data:
       </body>
     </html>
   update.sh: |
-    #!/bin/sh
+    #!/bin/bash
 
     while getopts u: flag
     do
@@ -75,18 +75,18 @@ data:
     do
       echo '['$(date "+%Y-%m-%d %H:%M:%S")']' $(curl -ks https://$URL/components | jq length) 'known releases in database'
 
-      echo -n $(helm list --all-namespaces --output json | jq -c '.[]') | while IFS= read -r release;
-      do
-        APP_NAME=$(echo $release | jq -r '.name')
+      for entry in $(helm list --all-namespaces --output json | jq -r '.[] | @base64'); do
+        RELEASE=$(echo $entry | base64 -d)
+        APP_NAME=$(echo $RELEASE | jq -r '.name')
         APP_ID=$(curl -ks https://$URL/components?name=$APP_NAME | jq -r '.[0].id')
 
         # Release is not yet in database
         [ "$APP_ID" == null ] && {
-          curl -ks -X POST https://$URL/components -H 'Content-Type: application/json' --data "$release"
+          curl -ks -X POST https://$URL/components -H 'Content-Type: application/json' --data "$RELEASE" -o /dev/null
         }
         # Release is already in database
         [ "$APP_ID" != null ] && {
-          curl -ks -X PATCH https://$URL/components/$APP_ID -H 'Content-Type: application/json' --data "$release"
+          curl -ks -X PATCH https://$URL/components/$APP_ID -H 'Content-Type: application/json' --data "$RELEASE" -o /dev/null
         }
       done