Remove unnecessary axum_server dependency

Dockerfile

@@ -1,4 +1,4 @@
-FROM lukemathwalker/cargo-chef:latest-rust-1.89.0 AS chef
+FROM lukemathwalker/cargo-chef:latest-rust-1.90.0 AS chef
 WORKDIR /app
 RUN apt update && apt install -y nodejs npm && rm -rf /var/lib/apt/lists/*
 
@@ -11,18 +11,14 @@ COPY --from=planner /app/recipe.json recipe.json
 RUN cargo chef cook --release --recipe-path recipe.json
 COPY . .
 ENV SQLX_OFFLINE=true
+ENV RUSTFLAGS="-C strip=symbols -C target-cpu=native"
 RUN cargo build --release --bin zero2prod
 RUN npm install && npm run build-css
 
-FROM debian:bookworm-slim AS runtime
+FROM gcr.io/distroless/cc-debian12 AS runtime
 WORKDIR /app
-RUN apt update -y \
-    && apt install -y --no-install-recommends openssl ca-certificates \
-    && apt autoremove -y \
-    && apt clean -y \
-    && rm -rf /var/lib/apt/lists/*
 COPY --from=builder /app/target/release/zero2prod zero2prod
-COPY assets assets
-COPY configuration configuration
+COPY --from=builder /app/assets assets
+COPY --from=builder /app/configuration configuration
 ENV APP_ENVIRONMENT=production
 ENTRYPOINT [ "./zero2prod" ]