add dockerfile with caches

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "eth-proxy"
+name = "web3-proxy"
 version = "0.1.0"
 edition = "2021"
 

Dockerfile

@@ -0,0 +1,12 @@
+FROM rust:1-buster as builder
+
+WORKDIR /usr/src/web3-proxy
+COPY . .
+RUN --mount=type=cache,target=/usr/local/cargo/registry \
+    --mount=type=cache,target=/usr/src/web3-proxy/target \
+    cargo install --path .
+
+FROM debian:buster-slim
+# RUN apt-get update && apt-get install -y extra-runtime-dependencies && rm -rf /var/lib/apt/lists/*
+COPY --from=builder /usr/local/cargo/bin/web3-proxy /usr/local/bin/web3-proxy
+CMD ["web3-proxy"]