diff --git a/dockerfiles/Dockerfile.tools b/dockerfiles/Dockerfile.tools
new file mode 100644
index 0000000..1faa9d5
--- /dev/null
+++ b/dockerfiles/Dockerfile.tools
@@ -0,0 +1,14 @@
+FROM ubuntu:focal
+RUN : \
+    && apt-get update -qq \
+    && DEBIAN_FRONTEND=noninteractive apt-get install \
+        -qq -y --no-install-recommends \
+        devscripts \
+        git-buildpackage \
+        gnupg \
+        pristine-tar \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+ENV HOME=/homedir LANG=C.UTF-8
+RUN git config --system --add safe.directory /tmp/src
+WORKDIR /tmp/src