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-rw-r--r--debian-bullseye-titan/Dockerfile8
1 files changed, 3 insertions, 5 deletions
diff --git a/debian-bullseye-titan/Dockerfile b/debian-bullseye-titan/Dockerfile
index 49650a0..c9f5392 100644
--- a/debian-bullseye-titan/Dockerfile
+++ b/debian-bullseye-titan/Dockerfile
@@ -9,11 +9,9 @@ RUN apt-get update && apt-get install -y \
ca-certificates \
gnupg
-COPY .common/Release.key /tmp/Release.key
-
-RUN apt-key add /tmp/Release.key && \
- rm /tmp/Release.key && \
- echo "deb " $OSMOCOM_REPO " ./" > /etc/apt/sources.list.d/osmocom-latest.list
+COPY .common/Release.key /usr/share/keyrings/osmocom-latest.asc
+RUN echo "deb [signed-by=/usr/share/keyrings/osmocom-latest.asc] $OSMOCOM_REPO ./" \
+ > /etc/apt/sources.list.d/osmocom-latest.list
ADD $OSMOCOM_REPO/Release /tmp/Release
RUN apt-get update && \