feat: add the Dockerfile

Author: swarnim-deepsource

Dockerfile

@@ -0,0 +1,14 @@
+FROM rust:ubuntu AS rs_builder
+
+RUN mkdir -p /code
+ADD . /code
+WORKDIR /code
+
+RUN cargo b --release
+
+FROM llvm_ubuntu AS runner_a
+
+RUN mkdir -p /toolbox
+COPY --from rs_builder /code/target/release/build/cppcheck-deepsource /toolbox/
+
+RUN pip install cppcheck --no-cache