Updated dependencies require a newer version of libssl; use a newer debian

api/Dockerfile

@@ -16,7 +16,13 @@ RUN --mount=type=cache,target=/usr/local/cargo,from=rust:latest,source=/usr/loca
     cargo build --release --features $adaptor && mv ./target/release/crabfit-api ./api
 
 # Runtime image
-FROM debian:bullseye-slim
+FROM debian:bookworm-slim
+
+# install libssl3
+RUN apt-get update &&\
+    apt-get install -yq libssl3 &&\
+    apt-get clean &&\
+    rm -rf /var/cache/apt/lists/*
 
 # Run as "app" user
 RUN useradd -ms /bin/bash app