add dockerfile

Dockerfile

@@ -0,0 +1,14 @@
+FROM rust:1.77 as builder
+RUN mkdir /build
+WORKDIR /build
+COPY Cargo.toml Cargo.lock ./
+COPY src ./src
+RUN --mount=type=cache,target=/usr/local/cargo/registry \
+    --mount=type=cache,target=/build/target \
+    cargo build --release --bin blob-store-app && \
+    cp target/release/blob-store-app /blob-store-app
+
+FROM debian:bookworm-slim
+RUN apt-get update && apt-get install -qqy libsqlite3-0
+COPY --from=builder /blob-store-app /usr/local/bin/blob-store-server
+ENTRYPOINT ["blob-store-server", "--db-path", "/data", "--bind", "0.0.0.0"]