diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index d06f47b..24b7265 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -113,9 +113,9 @@ jobs:
     - name: Setup Docker Buildx
       uses: docker/setup-buildx-action@v3
 
-    - name: Build step
+    - name: Build crate Docker image
       run: |
-        echo "No Docker images for this repository"
+        docker build -t sdk_common:build .
 
     - name: Run integration tests
       run: |
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..75ad742
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,5 @@
+# Debian-based Rust builder for library/test
+FROM rust:1.70-bookworm AS build
+WORKDIR /app
+COPY . .
+RUN cargo build --release && cargo test --release