diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..a96e552
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,2 @@
+.git/
+target/
diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
new file mode 100644
index 0000000..c7d4995
--- /dev/null
+++ b/.github/workflows/pr.yaml
@@ -0,0 +1,9 @@
+name: PR
+on:
+  pull_request: {}
+jobs:
+  pr:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Build Docker container
+        uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..2f03c48
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,14 @@
+# Lightly adapted from https://hub.docker.com/_/rust
+
+FROM docker.io/library/rust:1.82-slim-bookworm AS builder
+WORKDIR /usr/local/src/app
+COPY . .
+RUN rustup component add clippy rustfmt
+RUN cargo fmt --check
+RUN cargo clippy --no-deps
+RUN cargo test
+RUN cargo install --path .
+
+FROM docker.io/library/debian:bookworm-slim
+COPY --from=builder /usr/local/cargo/bin/docker-cron /usr/local/bin/docker-cron
+CMD ["docker-cron","/etc/crontab"]