Fix build issues with dockersolr by using "additional_contexts" to pa…

…ss solr config path to Dockerfile.

docker-compose.yml

@@ -83,8 +83,10 @@ services:
     container_name: dspacesolr
     image: "${DOCKER_OWNER:-dspace}/dspace-solr:${DSPACE_VER:-latest}"
     build:
-      context: .
-      dockerfile: ./dspace/src/main/docker/dspace-solr/Dockerfile
+      context: ./dspace/src/main/docker/dspace-solr/
+      # Provide path to Solr configs necessary to build Docker image
+      additional_contexts:
+        solrconfigs: ./dspace/solr/
       args:
         SOLR_VERSION: "${SOLR_VER:-8.11}"
     networks:

dspace/src/main/docker/dspace-solr/Dockerfile

@@ -28,11 +28,13 @@ RUN mkdir -p $AUTHORITY_CONFIGSET_PATH && \
     mkdir -p $STATISTICS_CONFIGSET_PATH && \
     mkdir -p $QAEVENT_CONFIGSET_PATH
 
-COPY dspace/solr/authority/conf/* $AUTHORITY_CONFIGSET_PATH/
-COPY dspace/solr/oai/conf/* $OAI_CONFIGSET_PATH/
-COPY dspace/solr/search/conf/* $SEARCH_CONFIGSET_PATH/
-COPY dspace/solr/statistics/conf/* $STATISTICS_CONFIGSET_PATH/
-COPY dspace/solr/qaevent/conf/* $QAEVENT_CONFIGSET_PATH/
+# NOTE: "solrconfigs" MUST be passed in by docker-compose via "additional_contexts"
+# OR via "docker build --build-context solrconfigs=[path-to-dspace/solr]"
+COPY --from=solrconfigs authority/conf/* $AUTHORITY_CONFIGSET_PATH/
+COPY --from=solrconfigs oai/conf/* $OAI_CONFIGSET_PATH/
+COPY --from=solrconfigs search/conf/* $SEARCH_CONFIGSET_PATH/
+COPY --from=solrconfigs statistics/conf/* $STATISTICS_CONFIGSET_PATH/
+COPY --from=solrconfigs qaevent/conf/* $QAEVENT_CONFIGSET_PATH/
 
 RUN chown -R solr:solr /opt/solr/server/solr/configsets