added [check-valid-until=no] for eol debian-9

Author: AhmedBM

devops/docker/debian-9-amd64/Dockerfile

@@ -3,9 +3,9 @@ ARG DEBIAN_FRONTEND=noninteractive
 
 # debian-9 is EOL, update sources.list to use snapshot.debian.org mirrors
 RUN cat <<EOF > /etc/apt/sources.list
-deb http://snapshot.debian.org/archive/debian/20220622T000000Z stretch main
-deb http://snapshot.debian.org/archive/debian-security/20220622T000000Z stretch/updates main
-deb http://snapshot.debian.org/archive/debian/20220622T000000Z stretch-updates main
+deb [check-valid-until=no] http://snapshot.debian.org/archive/debian/20220622T000000Z stretch main
+deb [check-valid-until=no] http://snapshot.debian.org/archive/debian-security/20220622T000000Z stretch/updates main
+deb [check-valid-until=no] http://snapshot.debian.org/archive/debian/20220622T000000Z stretch-updates main
 EOF
 
 RUN apt -y update && apt-get -y install software-properties-common