Add Dockerfile

Dockerfile

@@ -0,0 +1,20 @@
+# syntax=docker/dockerfile:1.4
+FROM rust as build
+
+WORKDIR /app
+
+COPY ./src ./src
+COPY Cargo.* .
+
+RUN cargo build --release
+
+FROM ubuntu:latest
+
+RUN apt update; apt install -y nodejs npm; npm install -g snarkjs@latest
+
+COPY --from=build /app/target/release/zkbtc /usr/local/bin/
+
+ENV RUST_LOG=debug
+
+ENTRYPOINT ["/app/target/release/zkbtc"]
+CMD ["start-committee-node", "--key-path=examples/committee/key-0.json", "--publickey-package-path=examples/committee/publickey-package.json", "--address=127.0.0.1:8891"]