diff --git a/.github/workflows/fedora.yml b/.github/workflows/fedora.yml
index 6a9b71c..41a3bff 100644
--- a/.github/workflows/fedora.yml
+++ b/.github/workflows/fedora.yml
@@ -48,6 +48,20 @@ jobs:
       env:
         DOCKER_PASS: ${{ secrets.DOCKER_PASS }}
 
+  fedora-clang-devel-san:
+    runs-on: ubuntu-latest
+    needs: fedora-clang-devel
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 10
+    - name: Build
+      run: |
+        ./build-image.sh fedora-clang-devel-san --no-cache
+      env:
+        DOCKER_PASS: ${{ secrets.DOCKER_PASS }}
+
   fedora-gcc:
     runs-on: ubuntu-latest
     needs: fedora
diff --git a/README.md b/README.md
index a3ac70a..8297b4d 100644
--- a/README.md
+++ b/README.md
@@ -10,18 +10,20 @@ Most subfolders correspond to a **platform configuration**, e.g. [debian-gcc-rel
 
 image            | description                               | size   | metrics | build status 
 ---------------- | ----------------------------------------- | ------ | ------- | --------------
-[debian-gcc-devel](https://hub.docker.com/r/rhub/debian-gcc-devel)            |  Debian Linux, R-devel, GCC   | [![](https://images.microbadger.com/badges/image/rhub/debian-gcc-devel.svg)](https://microbadger.com/images/rhub/debian-gcc-devel) | [![](https://img.shields.io/docker/pulls/rhub/debian-gcc-devel.svg)](https://hub.docker.com/r/rhub/debian-gcc-devel) |  [![](https://img.shields.io/docker/cloud/build/rhub/debian-gcc-devel.svg)](https://hub.docker.com/r/rhub/debian-gcc-devel/builds)
-[debian-gcc-devel-nold](https://hub.docker.com/r/rhub/debian-gcc-devel-nold)            |  Debian Linux, R-devel, GCC, no long double support | [![](https://images.microbadger.com/badges/image/rhub/debian-gcc-devel-nold.svg)](https://microbadger.com/images/rhub/debian-gcc-devel-nold) | [![](https://img.shields.io/docker/pulls/rhub/debian-gcc-devel-nold.svg)](https://hub.docker.com/r/rhub/debian-gcc-devel-nold) |  [![](https://img.shields.io/docker/cloud/build/rhub/debian-gcc-devel-nold.svg)](https://hub.docker.com/r/rhub/debian-gcc-devel-nold/builds)
-[debian-gcc-patched](https://hub.docker.com/r/rhub/debian-gcc-patched)            |  Debian Linux, R-patched, GCC   | [![](https://images.microbadger.com/badges/image/rhub/debian-gcc-patched.svg)](https://microbadger.com/images/rhub/debian-gcc-patched) | [![](https://img.shields.io/docker/pulls/rhub/debian-gcc-patched.svg)](https://hub.docker.com/r/rhub/debian-gcc-patched) |  [![](https://img.shields.io/docker/cloud/build/rhub/debian-gcc-patched.svg)](https://hub.docker.com/r/rhub/debian-gcc-patched/builds)
-[debian-gcc-release](https://hub.docker.com/r/rhub/debian-gcc-release)            |  Debian Linux, R-release, GCC   | [![](https://images.microbadger.com/badges/image/rhub/debian-gcc-release.svg)](https://microbadger.com/images/rhub/debian-gcc-release) | [![](https://img.shields.io/docker/pulls/rhub/debian-gcc-release.svg)](https://hub.docker.com/r/rhub/debian-gcc-release) |  [![](https://img.shields.io/docker/cloud/build/rhub/debian-gcc-release.svg)](https://hub.docker.com/r/rhub/debian-gcc-release/builds)
-[debian-clang-devel](https://hub.docker.com/r/rhub/debian-clang-devel)            |  Debian Linux, R-devel, clang, ISO-8859-15 locale   | [![](https://images.microbadger.com/badges/image/rhub/debian-clang-devel.svg)](https://microbadger.com/images/rhub/debian-clang-devel) | [![](https://img.shields.io/docker/pulls/rhub/debian-clang-devel.svg)](https://hub.docker.com/r/rhub/debian-clang-devel) |  [![](https://img.shields.io/docker/cloud/build/rhub/debian-clang-devel.svg)](https://hub.docker.com/r/rhub/debian-clang-devel/builds)
-[fedora-gcc-devel](https://hub.docker.com/r/rhub/fedora-gcc-devel)            |  Fedora Linux, R-devel, GCC  | [![](https://images.microbadger.com/badges/image/rhub/fedora-gcc-devel.svg)](https://microbadger.com/images/rhub/fedora-gcc-devel) | [![](https://img.shields.io/docker/pulls/rhub/fedora-gcc-devel.svg)](https://hub.docker.com/r/rhub/fedora-gcc-devel) |  [![](https://img.shields.io/docker/cloud/build/rhub/fedora-gcc-devel.svg)](https://hub.docker.com/r/rhub/fedora-gcc-devel/builds)
-[fedora-clang-devel](https://hub.docker.com/r/rhub/fedora-clang-devel)            | Fedora Linux, R-devel, clang, gfortran | [![](https://images.microbadger.com/badges/image/rhub/fedora-clang-devel.svg)](https://microbadger.com/images/rhub/fedora-clang-devel) | [![](https://img.shields.io/docker/pulls/rhub/fedora-clang-devel.svg)](https://hub.docker.com/r/rhub/fedora-clang-devel) |  [![](https://img.shields.io/docker/cloud/build/rhub/fedora-clang-devel.svg)](https://hub.docker.com/r/rhub/fedora-clang-devel/builds)
-[ubuntu-gcc-devel](https://hub.docker.com/r/rhub/ubuntu-gcc-devel)            | Ubuntu Linux 16.04 LTS, R-devel, GCC  | [![](https://images.microbadger.com/badges/image/rhub/ubuntu-gcc-devel.svg)](https://microbadger.com/images/rhub/ubuntu-gcc-devel) | [![](https://img.shields.io/docker/pulls/rhub/ubuntu-gcc-devel.svg)](https://hub.docker.com/r/rhub/ubuntu-gcc-devel) |  [![](https://img.shields.io/docker/cloud/build/rhub/ubuntu-gcc-devel.svg)](https://hub.docker.com/r/rhub/ubuntu-gcc-devel/builds)
-[ubuntu-gcc-release](https://hub.docker.com/r/rhub/ubuntu-gcc-release)            | Ubuntu Linux 16.04 LTS, R-release, GCC  | [![](https://images.microbadger.com/badges/image/rhub/ubuntu-gcc-release.svg)](https://microbadger.com/images/rhub/ubuntu-gcc-release) | [![](https://img.shields.io/docker/pulls/rhub/ubuntu-gcc-release.svg)](https://hub.docker.com/r/rhub/ubuntu-gcc-release) |  [![](https://img.shields.io/docker/cloud/build/rhub/ubuntu-gcc-release.svg)](https://hub.docker.com/r/rhub/ubuntu-gcc-release/builds)
-[centos-epel](https://hub.docker.com/r/rhub/centos-epel)            | CentOS 8, stock R from EPEL  | [![](https://images.microbadger.com/badges/image/rhub/centos6-epel.svg)](https://microbadger.com/images/rhub/centos6-epel) | [![](https://img.shields.io/docker/pulls/rhub/centos6-epel.svg)](https://hub.docker.com/r/rhub/centos6-epel) |  [![](https://img.shields.io/docker/cloud/build/rhub/centos6-epel.svg)](https://hub.docker.com/r/rhub/centos-epel/builds)
-[rocker-gcc-san](https://hub.docker.com/r/rhub/rocker-gcc-san)            | Debian Linux, R-devel, GCC ASAN/UBSAN  | [![](https://images.microbadger.com/badges/image/rhub/rocker-gcc-san.svg)](https://microbadger.com/images/rhub/rocker-gcc-san) | [![](https://img.shields.io/docker/pulls/rhub/rocker-gcc-san.svg)](https://hub.docker.com/r/rhub/rocker-gcc-san) |  [![](https://img.shields.io/docker/cloud/build/rhub/rocker-gcc-san.svg)](https://hub.docker.com/r/rhub/rocker-gcc-san/builds)
-[ubuntu-rchk](https://hub.docker.com/r/rhub/ubuntu-rchk)            | Ubuntu Linux 16.04 LTS, R-devel with rchk  | [![](https://images.microbadger.com/badges/image/rhub/ubuntu-rchk.svg)](https://microbadger.com/images/rhub/ubuntu-rchk) | [![](https://img.shields.io/docker/pulls/rhub/ubuntu-rchk.svg)](https://hub.docker.com/r/rhub/ubuntu-rchk) |  [![](https://img.shields.io/docker/cloud/build/rhub/ubuntu-rchk.svg)](https://hub.docker.com/r/rhub/ubuntu-rchk/builds)
+[debian-gcc-devel](https://hub.docker.com/r/rhub/debian-gcc-devel)            |  Debian Linux, R-devel, GCC   | [![](https://img.shields.io/docker/image-size/rhub/debian-gcc-devel)](https://img.shields.io/docker/image-size/rhub/debian-gcc-devel) | [![](https://img.shields.io/docker/pulls/rhub/debian-gcc-devel.svg)](https://hub.docker.com/r/rhub/debian-gcc-devel) |  [![](https://img.shields.io/docker/cloud/build/rhub/debian-gcc-devel.svg)](https://hub.docker.com/r/rhub/debian-gcc-devel/builds)
+[debian-gcc-devel-lto](https://hub.docker.com/r/rhub/debian-gcc-devel-lto)            |  Debian Linux, R-devel, GCC, LTO   | [![](https://img.shields.io/docker/image-size/rhub/debian-gcc-devel-lto)](https://img.shields.io/docker/image-size/rhub/debian-gcc-devel-lto) | [![](https://img.shields.io/docker/pulls/rhub/debian-gcc-devel-lto.svg)](https://hub.docker.com/r/rhub/debian-gcc-devel-lto) |  [![](https://img.shields.io/docker/cloud/build/rhub/debian-gcc-devel-lto.svg)](https://hub.docker.com/r/rhub/debian-gcc-devel-lto/builds)
+[debian-gcc-devel-nold](https://hub.docker.com/r/rhub/debian-gcc-devel-nold)            |  Debian Linux, R-devel, GCC, no long double support | [![](https://img.shields.io/docker/image-size/rhub/debian-gcc-devel-nold)](https://img.shields.io/docker/image-size/rhub/debian-gcc-devel-nold) | [![](https://img.shields.io/docker/pulls/rhub/debian-gcc-devel-nold.svg)](https://hub.docker.com/r/rhub/debian-gcc-devel-nold) |  [![](https://img.shields.io/docker/cloud/build/rhub/debian-gcc-devel-nold.svg)](https://hub.docker.com/r/rhub/debian-gcc-devel-nold/builds)
+[debian-gcc-patched](https://hub.docker.com/r/rhub/debian-gcc-patched)            |  Debian Linux, R-patched, GCC   | [![](https://img.shields.io/docker/image-size/rhub/debian-gcc-patched)](https://img.shields.io/docker/image-size/rhub/debian-gcc-devel-patched) | [![](https://img.shields.io/docker/pulls/rhub/debian-gcc-patched.svg)](https://hub.docker.com/r/rhub/debian-gcc-patched) |  [![](https://img.shields.io/docker/cloud/build/rhub/debian-gcc-patched.svg)](https://hub.docker.com/r/rhub/debian-gcc-patched/builds)
+[debian-gcc-release](https://hub.docker.com/r/rhub/debian-gcc-release)            |  Debian Linux, R-release, GCC   | [![](https://img.shields.io/docker/image-size/rhub/debian-gcc-release)](https://img.shields.io/docker/image-size/rhub/debian-gcc-release) | [![](https://img.shields.io/docker/pulls/rhub/debian-gcc-release.svg)](https://hub.docker.com/r/rhub/debian-gcc-release) |  [![](https://img.shields.io/docker/cloud/build/rhub/debian-gcc-release.svg)](https://hub.docker.com/r/rhub/debian-gcc-release/builds)
+[debian-clang-devel](https://hub.docker.com/r/rhub/debian-clang-devel)            |  Debian Linux, R-devel, clang, ISO-8859-15 locale   | [![](https://img.shields.io/docker/image-size/rhub/debian-clang-devel)](https://img.shields.io/docker/image-size/rhub/debian-clang-devel) | [![](https://img.shields.io/docker/pulls/rhub/debian-clang-devel.svg)](https://hub.docker.com/r/rhub/debian-clang-devel) |  [![](https://img.shields.io/docker/cloud/build/rhub/debian-clang-devel.svg)](https://hub.docker.com/r/rhub/debian-clang-devel/builds)
+[fedora-gcc-devel](https://hub.docker.com/r/rhub/fedora-gcc-devel)            |  Fedora Linux, R-devel, GCC  | [![](https://img.shields.io/docker/image-size/rhub/fedora-gcc-devel)](https://img.shields.io/docker/image-size/rhub/fedora-gcc-devel) | [![](https://img.shields.io/docker/pulls/rhub/fedora-gcc-devel.svg)](https://hub.docker.com/r/rhub/fedora-gcc-devel) |  [![](https://img.shields.io/docker/cloud/build/rhub/fedora-gcc-devel.svg)](https://hub.docker.com/r/rhub/fedora-gcc-devel/builds)
+[fedora-clang-devel](https://hub.docker.com/r/rhub/fedora-clang-devel)            | Fedora Linux, R-devel, clang, gfortran |  [![](https://img.shields.io/docker/image-size/rhub/fedora-clang-devel)](https://img.shields.io/docker/image-size/rhub/fedora-clang-devel)| [![](https://img.shields.io/docker/pulls/rhub/fedora-clang-devel.svg)](https://hub.docker.com/r/rhub/fedora-clang-devel) |  [![](https://img.shields.io/docker/cloud/build/rhub/fedora-clang-devel.svg)](https://hub.docker.com/r/rhub/fedora-clang-devel/builds)
+[fedora-clang-devel-san](https://hub.docker.com/r/rhub/fedora-clang-devel-san)            | Fedora Linux, R-devel, clang, gfortran, ASAN/UBSAN |  [![](https://img.shields.io/docker/image-size/rhub/fedora-clang-devel-san)](https://img.shields.io/docker/image-size/rhub/fedora-clang-devel-san)| [![](https://img.shields.io/docker/pulls/rhub/fedora-clang-devel-san.svg)](https://hub.docker.com/r/rhub/fedora-clang-devel-san) |  [![](https://img.shields.io/docker/cloud/build/rhub/fedora-clang-devel-san.svg)](https://hub.docker.com/r/rhub/fedora-clang-devel-san/builds)
+[ubuntu-gcc-devel](https://hub.docker.com/r/rhub/ubuntu-gcc-devel)            | Ubuntu Linux 16.04 LTS, R-devel, GCC  | [![](https://img.shields.io/docker/image-size/rhub/ubuntu-gcc-devel)](https://img.shields.io/docker/image-size/rhub/ubuntu-gcc-devel) | [![](https://img.shields.io/docker/pulls/rhub/ubuntu-gcc-devel.svg)](https://hub.docker.com/r/rhub/ubuntu-gcc-devel) |  [![](https://img.shields.io/docker/cloud/build/rhub/ubuntu-gcc-devel.svg)](https://hub.docker.com/r/rhub/ubuntu-gcc-devel/builds)
+[ubuntu-gcc-release](https://hub.docker.com/r/rhub/ubuntu-gcc-release)            | Ubuntu Linux 16.04 LTS, R-release, GCC  | [![](https://img.shields.io/docker/image-size/rhub/ubuntu-gcc-release)](https://img.shields.io/docker/image-size/rhub/ubuntu-gcc-release) | [![](https://img.shields.io/docker/pulls/rhub/ubuntu-gcc-release.svg)](https://hub.docker.com/r/rhub/ubuntu-gcc-release) |  [![](https://img.shields.io/docker/cloud/build/rhub/ubuntu-gcc-release.svg)](https://hub.docker.com/r/rhub/ubuntu-gcc-release/builds)
+[centos-epel](https://hub.docker.com/r/rhub/centos-epel)            | CentOS 8, stock R from EPEL  | [![](https://img.shields.io/docker/image-size/rhub/centos-epel)](https://img.shields.io/docker/image-size/rhub/centos-epel) | [![](https://img.shields.io/docker/pulls/rhub/centos6-epel.svg)](https://hub.docker.com/r/rhub/centos6-epel) |  [![](https://img.shields.io/docker/cloud/build/rhub/centos6-epel.svg)](https://hub.docker.com/r/rhub/centos-epel/builds)
+[rocker-gcc-san](https://hub.docker.com/r/rhub/rocker-gcc-san)            | Debian Linux, R-devel, GCC ASAN/UBSAN  | [![](https://img.shields.io/docker/image-size/rhub/rocker-gcc-san)](https://img.shields.io/docker/image-size/rhub/rocker-gcc-san)  | [![](https://img.shields.io/docker/pulls/rhub/rocker-gcc-san.svg)](https://hub.docker.com/r/rhub/rocker-gcc-san) |  [![](https://img.shields.io/docker/cloud/build/rhub/rocker-gcc-san.svg)](https://hub.docker.com/r/rhub/rocker-gcc-san/builds)
+[ubuntu-rchk](https://hub.docker.com/r/rhub/ubuntu-rchk)            | Ubuntu Linux 16.04 LTS, R-devel with rchk  | [![](https://img.shields.io/docker/image-size/rhub/ubuntu-rchk)](https://img.shields.io/docker/image-size/rhub/ubuntu-rchk)  | [![](https://img.shields.io/docker/pulls/rhub/ubuntu-rchk.svg)](https://hub.docker.com/r/rhub/ubuntu-rchk) |  [![](https://img.shields.io/docker/cloud/build/rhub/ubuntu-rchk.svg)](https://hub.docker.com/r/rhub/ubuntu-rchk/builds)
 
 Note that these images are useful for you to run to debug your R package. For use of R+Docker for reproducible analyses, refer to the [Rocker organization](https://rocker-project.org/).