feat: Initial commit

Dockerfile

@@ -0,0 +1,23 @@
+FROM rust:1.93 AS builder
+
+RUN rustup target add x86_64-unknown-linux-musl
+RUN apt-get update && apt-get install -y musl-tools && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /usr/src/app
+
+COPY ./Cargo.toml ./Cargo.lock ./
+COPY ./src ./src
+
+RUN cargo build --release --target x86_64-unknown-linux-musl
+
+# Runtime image with postgresql-client tooling available
+FROM debian:bookworm-slim
+RUN apt-get update && \
+	apt-get install -y --no-install-recommends postgresql-client ca-certificates && \
+	rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /usr/src/app/target/x86_64-unknown-linux-musl/release/pg-instance-handler /usr/local/bin/pg-instance-handler
+
+WORKDIR /
+
+ENTRYPOINT ["/usr/local/bin/pg-instance-handler"]