chore: add dockerfile

dockerfiles/stacks-pyth-relayer.dockerfile

@@ -0,0 +1,27 @@
+FROM rust:bullseye as build
+
+WORKDIR /src
+
+RUN apt update && apt install -y ca-certificates pkg-config libssl-dev libclang-11-dev
+
+RUN rustup update 1.67.0 && rustup default 1.67.0
+
+COPY ./relayer /relayer
+
+WORKDIR /relayer
+
+RUN mkdir /out
+
+RUN cargo build --release
+
+RUN cp target/release/stacks-pyth-relayer /out
+
+FROM debian:bullseye-slim
+
+RUN apt update && apt install -y ca-certificates libssl-dev
+
+COPY --from=build /out/ /bin/
+
+WORKDIR /workspace
+
+ENTRYPOINT ["stacks-pyth-relayer"]