🐛 Fix entrypoint when AUTH_REGISTRIES is empty

entrypoint.sh

@@ -34,6 +34,8 @@ export ALLDOMAINS=${ALLDOMAINS:1} # remove the first comma and export
 # Now handle the auth part.
 echo -n "" > /etc/nginx/docker.auth.map
 
+# Only configure auth registries if the env var contains values
+if [ "$AUTH_REGISTRIES" ]; then
     # Ref: https://stackoverflow.com/a/47633817/219530
     AUTH_REGISTRIES_DELIMITER=${AUTH_REGISTRIES_DELIMITER:-" "}
     s=$AUTH_REGISTRIES$AUTH_REGISTRIES_DELIMITER
@@ -60,6 +62,7 @@ for ONEREGISTRY in "${auth_array[@]}"; do
         echo "Adding Auth for registry '${AUTH_HOST}' with user '${AUTH_USER}'."
         echo "\"${AUTH_HOST}\" \"${AUTH_BASE64}\";" >> /etc/nginx/docker.auth.map
     done
+fi
 
 echo "" > /etc/nginx/docker.verify.ssl.conf
 if [[ "a${VERIFY_SSL}" == "atrue" ]]; then