prodimage: bump to focal

Change-Id: I502ef4bbc593dae4db900eb10dc4ad93daad3985
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1382
Reviewed-by: q3k <q3k@hackerspace.pl>
diff --git a/WORKSPACE b/WORKSPACE
index f4f29a2..e9a701b 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -142,6 +142,14 @@
 )
 
 container_pull(
+    name = "prodimage-focal",
+    digest = "sha256:fb6159a3ddf2f783092f1169792d1fba6f108714026ad2aa08204e8356825a13",
+    registry = "registry.k0.hswaw.net",
+    repository = "q3k/prodimage-focal",
+    tag = "20211214-0108",
+)
+
+container_pull(
     name = "gerrit-3.3.2",
     digest = "sha256:f7fc8b749706f38475f94191117091973914a8f084e69518deff7dbc9c2c557d",
     registry = "index.docker.io",
diff --git a/devtools/prodimage/Dockerfile b/devtools/prodimage/Dockerfile
index 9cdf8a2..df20145 100644
--- a/devtools/prodimage/Dockerfile
+++ b/devtools/prodimage/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:bionic-20190515
+FROM ubuntu:focal
 
 RUN set -e -x ;\
     sed -i 's/archive/pl.archive/' /etc/apt/sources.list
@@ -7,6 +7,7 @@
     export DEBIAN_FRONTEND=noninteractive ;\
     apt-get -y update ;\
     apt-get -y install \
+        lib32stdc++6 \
         ca-certificates \
         gnupg2 \
         rsync \