buildx failed with: ERROR: failed to solve: process "/bin/sh -c apt-get update && apt-cache showpkg postgresql-$PG_MAJOR-postgis-$POSTGIS_MAJOR && apt-get install -y --no-install-recommends ca-certificates elephant-shed-pgbackrest elephant-shed-pgbadger htop iputils-ping openssh-server supervisor postgresql-$PG_MAJOR-postgis-$POSTGIS_MAJOR=$POSTGIS_VERSION postgresql-$PG_MAJOR-postgis-$POSTGIS_MAJOR-scripts postgresql-$PG_MAJOR-pgaudit postgresql-$PG_MAJOR-set-user postgresql-$PG_MAJOR-repack postgresql-$PG_MAJOR-pgpool2 && rm -rf /var/lib/apt/lists/* && mkdir -p /docker-entrypoint-initdb.d" did not complete successfully: exit code: 100