Fix strelka-backend build

Signed-off-by: reyesj2 <[email protected]>

so-strelka-backend/Dockerfile

@@ -39,10 +39,13 @@ RUN mkdir /strelka && \
     cp -fr /tmp/strelka/src/python/* /strelka/ && \
     cp -fr /tmp/strelka/configs/python/backend/* /etc/strelka/ && \
     cp -fr /tmp/strelka/build/python/backend/pin.pref /etc/apt/preferences.d/ && \
-    cp -fr /tmp/strelka/build/python/backend/mantic.list /etc/apt/sources.list.d/ && \
+    # cp -fr /tmp/strelka/build/python/backend/mantic.list /etc/apt/sources.list.d/ && \
     rm -fr /tmp/strelka && \
     chown -R ${USER_UID}:${USER_GID} /var/log/strelka/
 
+# Use local version of Mantic.list until upstream https://github.com/target/strelka/pull/476 is merged
+ADD mantic.list /etc/apt/sources.list.d/mantic.list
+
 # Install build packages
 RUN apt-get -q update && \
     apt-get install -q -y --no-install-recommends \

so-strelka-backend/mantic.list

@@ -1,2 +1,2 @@
-deb [arch=amd64] http://archive.ubuntu.com/ubuntu mantic main restricted universe multiverse
-deb [arch=arm64] http://ports.ubuntu.com/ mantic main restricted universe multiverse
+deb [arch=amd64] http://old-releases.ubuntu.com/ubuntu mantic main restricted universe multiverse
+deb [arch=arm64] http://old-releases.ubuntu.com/ubuntu mantic-backports main restricted universe multiverse