Update

infra/copycat-db/Dockerfile

@@ -3,16 +3,11 @@ FROM ubuntu:latest
 RUN apt-get update && apt-get install -y curl gnupg
 RUN apt-get install -y tini
 
-# Install pg_dump (via Postgres client)
+# Install Postgres client (needed for restores, and for local testing)
 # https://www.postgresql.org/download/linux/ubuntu/
 #
-# We don't need it for production backups, but this is useful for local testing.
-RUN \
-    apt-get install -y lsb-release && \
-    sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list' && \
-    curl https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add - && \
-    apt-get update && \
-    apt-get -y install postgresql-client-12
+# We don't have specific dependencies on Postgres, so just use the latest.
+RUN apt-get update && apt-get -y install postgresql-client
 
 # Install SCW CLI
 # Latest release: https://github.com/scaleway/scaleway-cli/releases/latest