feat: add Dockerfile and docker-compose.yml configured for ghcr.io/exchanges-lab/nosync

Dockerfile

@@ -0,0 +1,29 @@
+# Stage 1: Build dependency cache and compile application
+FROM rust:1.95-bookworm AS builder
+
+RUN apt-get update && apt-get install -y pkg-config libssl-dev && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Create dummy source files for caching build dependencies
+COPY Cargo.toml Cargo.lock ./
+RUN mkdir src && echo "fn main() {}" > src/main.rs && touch src/lib.rs
+RUN cargo build --release
+
+# Copy actual source files
+COPY src ./src
+# Touch files to force rebuild with real source
+RUN touch src/main.rs src/lib.rs
+RUN cargo build --release
+
+# Stage 2: Minimal runtime image
+FROM debian:bookworm-slim
+
+RUN apt-get update && apt-get install -y ca-certificates openssl && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Copy the built binary
+COPY --from=builder /app/target/release/nosync /app/nosync
+
+CMD ["/app/nosync"]