adding dockerfile (#2)

Author: parithosh

Dockerfile

@@ -0,0 +1,30 @@
+FROM rust:1.83-slim as builder
+
+WORKDIR /usr/src/rustic-builder
+
+# Install build dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    pkg-config \
+    libssl-dev \
+    perl \
+    cmake \
+    libclang-dev \
+    protobuf-compiler \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY . .
+RUN cargo build --release
+
+FROM debian:bookworm-slim
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates \
+    libssl3 \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /usr/src/rustic-builder/target/release/rustic-builder /usr/local/bin/
+
+EXPOSE 8560
+
+ENTRYPOINT ["rustic-builder"]

README.md

@@ -9,15 +9,35 @@ The name references both its implementation language (Rust) and its rustic natur
 
 ## Installation
 
+### From Source
 ```
 cargo build --release
 ```
 
+### Using Docker
+```bash
+docker build -t rustic-builder .
+```
+
 ## Usage
 
 Needs a fully synced ethereum node (Beacon node + Execution client)
 
-Example usage
+### Running from Binary
 ```
 ./target/release/rustic-builder --execution-endpoint http://localhost:8551 --beacon-node http://localhost:5052 --jwt-secret jwt.hex --port 8560
 ```
+
+### Running with Docker
+```bash
+docker run -p 8560:8560 \
+  -v /path/to/jwt.hex:/jwt.hex \
+  rustic-builder \
+  --execution-endpoint http://execution-client:8551 \
+  --beacon-node http://beacon-node:5052
+```
+
+Note: When running with Docker, make sure to:
+- Mount your JWT secret file
+- Use appropriate network settings (--network host if running nodes locally)
+- Adjust the execution/beacon endpoints to match your setup