fix: install libpq-dev for diesel postgres linking

upctl-svc transitively depends on diesel (via htycommons/AuthCore)
which requires libpq for PostgreSQL support. Also install libpq5
in the runtime stage for the dynamic library.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: liweinan

upctl-svc/Dockerfile

@@ -1,14 +1,14 @@
 FROM rust:slim-bookworm AS builder
 
-RUN apt-get update && apt-get install -y pkg-config libssl-dev git && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y pkg-config libssl-dev libpq-dev git && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
 RUN git clone --depth 1 https://github.com/alchemy-studio/upctl-svc.git .
 
 RUN cargo build --release
 
 FROM debian:bookworm-slim
-RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y ca-certificates libpq5 && rm -rf /var/lib/apt/lists/*
 
 COPY --from=builder /app/target/release/upctl-svc /usr/local/bin/