WIP: pipeline - remove custom install prefix

.docker/Dockerfile

@@ -9,7 +9,7 @@ RUN mkdir build
 WORKDIR /libcaosdb/build
 RUN cmake -D INSTALL_DIR_NAME=libcaosdb ..
 RUN cmake --build .
-RUN cmake --install . --prefix /usr/local/
+RUN cmake --install .
 
 COPY . /caosdb-cppinttest
 WORKDIR /caosdb-cppinttest
@@ -21,7 +21,7 @@ RUN apt-get install -y openjdk-11-jdk-headless
 # build and run tests
 CMD mkdir build && \
     cd build && \
-    cmake -D CMAKE_PREFIX_PATH=/usr/local/lib/libcaosdb .. && \
+    cmake .. && \
     cmake --build . && \
     /wait-for-it.sh caosdb-server:10443 -t 500 -- \
     ctest

.gitlab-ci.yml

@@ -114,7 +114,7 @@ build-test:
     - echo $PWD
     - mkdir build
     - cd build
-    - cmake -D CMAKE_PREFIX_PATH=/usr/local/lib/libcaosdb ..
+    - cmake ..
     - cmake --build .