diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
deleted file mode 100644
index 0fb2392aed..0000000000
--- a/.devcontainer/Dockerfile
+++ /dev/null
@@ -1,4 +0,0 @@
-FROM registry.gitlab.com/jangorecki/dockerfiles/r-devel-gcc
-
-RUN apt-get -qq update \
-  && apt-get install -y --no-install-recommends git
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
deleted file mode 100644
index a1447f19e1..0000000000
--- a/.devcontainer/devcontainer.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "build": { "dockerfile": "Dockerfile" }
-}
diff --git a/.devcontainer/r-devel-clang-ubsan/.Rprofile b/.devcontainer/r-devel-clang-ubsan/.Rprofile
new file mode 100644
index 0000000000..344dd9f3cd
--- /dev/null
+++ b/.devcontainer/r-devel-clang-ubsan/.Rprofile
@@ -0,0 +1,2 @@
+Sys.setenv(PROJ_PATH='/workspaces/data.table')
+if (file.exists('.dev/cc.R')) source('.dev/cc.R')
diff --git a/.devcontainer/r-devel-clang-ubsan/Dockerfile b/.devcontainer/r-devel-clang-ubsan/Dockerfile
new file mode 100644
index 0000000000..edb4b245a4
--- /dev/null
+++ b/.devcontainer/r-devel-clang-ubsan/Dockerfile
@@ -0,0 +1,23 @@
+FROM rocker/r-devel-ubsan-clang:latest
+
+RUN apt-get -qq update \
+  && apt-get install -y --no-install-recommends git
+
+COPY DESCRIPTION .
+
+# install dependencies without ubsan flags
+RUN Rscript -e '                                          \ 
+read.dcf("DESCRIPTION", c("Imports", "Suggests")) |>      \
+  tools:::.split_dependencies() |>                        \
+  names() |>                                              \
+  setdiff(tools:::.get_standard_package_names()$base) |>  \
+  install.packages()                                      \
+'
+
+# setup cc()
+WORKDIR /root
+COPY .devcontainer/r-devel-clang-ubsan/.Rprofile .
+
+# set ubsan flags
+WORKDIR .R
+COPY .devcontainer/r-devel-clang-ubsan/Makevars .
diff --git a/.devcontainer/r-devel-clang-ubsan/Makevars b/.devcontainer/r-devel-clang-ubsan/Makevars
new file mode 100644
index 0000000000..1d241cb423
--- /dev/null
+++ b/.devcontainer/r-devel-clang-ubsan/Makevars
@@ -0,0 +1,6 @@
+CC=clang -fsanitize=address,undefined -fno-sanitize=float-divide-by-zero -fno-sanitize=alignment -fno-omit-frame-pointer
+CXX=clang++ -fsanitize=address,undefined -fno-sanitize=float-divide-by-zero -fno-sanitize=alignment -fno-omit-frame-pointer -frtti
+CFLAGS=-g -O3 -Wall -pedantic
+FFLAGS=-g -O2
+CXXFLAGS=-g -O3 -Wall -pedantic
+LDFLAGS=-L/usr/lib/gcc/x86_64-linux-gnu/11/libubsan.so -lubsan
diff --git a/.devcontainer/r-devel-clang-ubsan/devcontainer.json b/.devcontainer/r-devel-clang-ubsan/devcontainer.json
new file mode 100644
index 0000000000..f1d985f31e
--- /dev/null
+++ b/.devcontainer/r-devel-clang-ubsan/devcontainer.json
@@ -0,0 +1,4 @@
+{
+  "build": { "dockerfile": "Dockerfile", "context": "../.." },
+  "customizations": { "vscode": { "extensions": [ "REditorSupport.r" ] } }
+}
diff --git a/.devcontainer/r-devel-gcc/.Rprofile b/.devcontainer/r-devel-gcc/.Rprofile
new file mode 100644
index 0000000000..344dd9f3cd
--- /dev/null
+++ b/.devcontainer/r-devel-gcc/.Rprofile
@@ -0,0 +1,2 @@
+Sys.setenv(PROJ_PATH='/workspaces/data.table')
+if (file.exists('.dev/cc.R')) source('.dev/cc.R')
diff --git a/.devcontainer/r-devel-gcc/Dockerfile b/.devcontainer/r-devel-gcc/Dockerfile
new file mode 100644
index 0000000000..8ddeed4d8c
--- /dev/null
+++ b/.devcontainer/r-devel-gcc/Dockerfile
@@ -0,0 +1,18 @@
+FROM registry.gitlab.com/jangorecki/dockerfiles/r-devel-gcc
+
+RUN apt-get -qq update \
+  && apt-get install -y --no-install-recommends git
+
+COPY DESCRIPTION .
+
+RUN Rscript -e '                                          \ 
+read.dcf("DESCRIPTION", c("Imports", "Suggests")) |>      \
+  tools:::.split_dependencies() |>                        \
+  names() |>                                              \
+  setdiff(tools:::.get_standard_package_names()$base) |>  \
+  install.packages()                                      \
+'
+
+# setup cc()
+WORKDIR /root
+COPY .devcontainer/r-devel-gcc/.Rprofile .
diff --git a/.devcontainer/r-devel-gcc/devcontainer.json b/.devcontainer/r-devel-gcc/devcontainer.json
new file mode 100644
index 0000000000..f1d985f31e
--- /dev/null
+++ b/.devcontainer/r-devel-gcc/devcontainer.json
@@ -0,0 +1,4 @@
+{
+  "build": { "dockerfile": "Dockerfile", "context": "../.." },
+  "customizations": { "vscode": { "extensions": [ "REditorSupport.r" ] } }
+}