Base Image of Development and Build are now the same

- libarchive-tools contains bsdtar. bsdtar is needed for meteor
  installation, it doesn't / or didn't work with docker and overlayfs.

  see also here:

  jshimko/meteor-launchpad#39
  anchore/anchore-engine#106
  coreos/bugs#1095

.devcontainer/Dockerfile

@@ -1,7 +1,7 @@
-FROM debian
+FROM quay.io/wekan/ubuntu:groovy-20210115
 LABEL maintainer="sgr"
 
-ENV BUILD_DEPS="gnupg gosu bsdtar wget curl bzip2 g++ build-essential python git ca-certificates iproute2"
+ENV BUILD_DEPS="gnupg gosu libarchive-tools wget curl bzip2 g++ build-essential python git ca-certificates iproute2"
 ENV DEBIAN_FRONTEND=noninteractive
 
 ENV \