diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..517f2a7
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "run-clang-format"]
+	path = run-clang-format
+	url = https://github.com/Sarcasm/run-clang-format
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..768f4ea
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,12 @@
+FROM ubuntu:19.04
+
+RUN apt update && apt-get install -y --no-install-recommends \
+	clang-format python3 \
+        && rm -rf /var/lib/apt/lists/*
+
+ADD run-clang-format/run-clang-format.py /usr/bin
+
+RUN mkdir /src
+WORKDIR /src
+ENTRYPOINT ["run-clang-format.py", "-r", "."]
+
diff --git a/run-clang-format b/run-clang-format
new file mode 160000
index 0000000..50fc7ad
--- /dev/null
+++ b/run-clang-format
@@ -0,0 +1 @@
+Subproject commit 50fc7ad73e596225955fe90226ee7870b28febf2