diff --git a/.hadolint.yaml b/.hadolint.yaml
index 6ee0f3754f078193f8068ea9d1a015d7bbde3776..8f7e23e459df52ebbd66d768be22912a79d80eca 100644
--- a/.hadolint.yaml
+++ b/.hadolint.yaml
@@ -1 +1,2 @@
 ignored:
+  - DL3008
diff --git a/context/Dockerfile b/context/Dockerfile
index 2a211c2c8ec4739f79d4b814b72120c4bd486337..ae8aaf252dfd7ab97779964b12a2232cf6264146 100644
--- a/context/Dockerfile
+++ b/context/Dockerfile
@@ -11,5 +11,5 @@ RUN apt-get update \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
-ADD s3-purge.sh /usr/local/bin/s3-purge
-ADD crontab /etc/cron.d/s3-purge
+COPY s3-purge.sh /usr/local/bin/s3-purge
+COPY crontab /etc/cron.d/s3-purge