first commit

Dockerfile

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+# Stage 1: Build
+FROM rustlang/rust:nightly AS builder
+
+WORKDIR /app
+
+COPY Cargo.toml Cargo.lock ./
+COPY src ./src
+
+RUN cargo build --release
+
+FROM debian:bookworm-slim
+
+RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+COPY --from=builder /app/target/release/timezone-db /usr/local/bin/app
+
+ENV RUST_LOG=info
+
+CMD ["/usr/local/bin/app"]