keep libosrm* (#6602)

Author: nilsnolde

CHANGELOG.md

@@ -10,6 +10,7 @@
     - NodeJS:
       - CHANGED: Use node-api instead of NAN. [#6452](https://github.com/Project-OSRM/osrm-backend/pull/6452)
     - Misc:
+      - CHANGED: keep libosrm* in the docker image for downstream linking [#6602](https://github.com/Project-OSRM/osrm-backend/pull/6602)
       - CHANGED: Move vector in CSVFilesParser instead copying it. [#6470](https://github.com/Project-OSRM/osrm-backend/pull/6470)
       - REMOVED: Get rid of unused functions in util/json_util.hpp. [#6446](https://github.com/Project-OSRM/osrm-backend/pull/6446)
       - FIXED: Apply workaround for Conan installation issue on CI. [#6442](https://github.com/Project-OSRM/osrm-backend/pull/6442)

docker/Dockerfile

@@ -37,7 +37,7 @@ RUN NPROC=${BUILD_CONCURRENCY:-$(nproc)} && \
     cd ../profiles && \
     cp -r * /opt && \
     strip /usr/local/bin/* && \
-    rm -rf /src /usr/local/lib/libosrm*
+    rm -rf /src
 
 
 # Multistage build to reduce image size - https://docs.docker.com/engine/userguide/eng-image/multistage-build/#use-multi-stage-builds