diff --git a/Dockerfile b/Dockerfile
index eea707f5..9b12e7eb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,6 +16,7 @@ WORKDIR /etc/shlink
 # Install required PHP extensions
 RUN \
     # Temp install dev dependencies needed to compile the extensions
+    # FIXME Delegated image-related extensions. They can be removed with QR-code support
     apk add --no-cache --virtual .dev-deps sqlite-dev postgresql-dev icu-dev libzip-dev zlib-dev libpng-dev linux-headers && \
     docker-php-ext-install -j"$(nproc)" pdo_mysql pdo_pgsql intl calendar sockets bcmath zip gd && \
     apk add --no-cache sqlite-libs && \