Consistent variable use in build scripts

docker/docker-entrypoint.sh

@@ -1,6 +1,27 @@
 #!/bin/bash
 set -e
 
+# inform about deprecation
+
+depraction_warning() {
+  echo ""
+  echo ""
+  echo ""
+  echo "⚠️ WARNING ⚠️ WARNING ⚠️ WARNING ⚠️"
+  echo ""
+  echo "📣️ The docker images for Netbox have moved to 'netboxcommunity/netbox'."
+  echo ""
+  echo "❌ Your setup will not get any updates anymore."
+  echo "❌ Your setup will break after 2019."
+  echo ""
+  echo "ℹ️ Just rename 'ninech/netbox' to 'netboxcommunity/netbox' and your good again."
+  echo ""
+  echo ""
+  echo ""
+}
+
+depraction_warning
+
 # wait shortly and then run db migrations (retry on error)
 while ! ./manage.py migrate 2>&1; do
   echo "⏳ Waiting on DB..."
@@ -49,6 +70,8 @@ done
 
 echo "✅ Initialisation is done."
 
+depraction_warning
+
 # launch whatever is passed by docker
 # (i.e. the RUN instruction in the Dockerfile)
 exec ${@}