Use archive for buster

Author: pjeby

Dockerfile

@@ -1,5 +1,6 @@
 ARG UPSTREAM=2.3.10
 FROM analogic/poste.io:$UPSTREAM
+RUN echo "deb [arch=amd64] http://archive.debian.org/debian buster buster-updates buster-backports main contrib non-free" >> /etc/apt/sources.list
 RUN apt-get update && apt-get install less  # 'less' is Useful for debugging
 
 # Default to listening only on IPs bound to the container hostname