Solr: Add OCR Highlight plugin. (#338)

solr/Dockerfile

@@ -6,6 +6,11 @@ ARG SOLR_VERSION=9.5.0
 ARG SOLR_FILE=solr-${SOLR_VERSION}.tgz
 ARG SOLR_URL=https://archive.apache.org/dist/solr/solr/${SOLR_VERSION}/solr-${SOLR_VERSION}.tgz
 ARG SOLR_FILE_SHA256=d8538502019af1945e0b124a4613b46ca43aedcf3f20e9912c482c080407ea21
+ARG OCRHIGHLIGHT_VERSION=0.8.6
+ARG OCRHIGHLIGHT_FILE=solr-ocrhighlighting-${OCRHIGHLIGHT_VERSION}.jar
+ARG OCRHIGHLIGHT_URL=https://github.com/dbmdz/solr-ocrhighlighting/releases/download/${OCRHIGHLIGHT_VERSION}/solr-ocrhighlighting-${OCRHIGHLIGHT_VERSION}.jar
+ARG OCRHIGHLIGHT_FILE_SHA256=3cf22d554003347de5486a1e2b6b624759495122a5b35fef9d8306eeb5e14f61
+ARG OCRHIGHLIGHT_DEST=/opt/solr/server/solr/contrib/ocrhighlighting/lib
 
 EXPOSE 8983
 
@@ -24,6 +29,14 @@ RUN --mount=type=cache,id=solr-downloads-${TARGETARCH},sharing=locked,target=/op
     && \
     cleanup.sh
 
+RUN --mount=type=cache,id=solr-ocrhighlight-downloads,sharing=locked,target=/opt/downloads \
+    download.sh \
+        --url "${OCRHIGHLIGHT_URL}" \
+        --sha256 "${OCRHIGHLIGHT_FILE_SHA256}" \
+        --dest ${OCRHIGHLIGHT_DEST} \
+    && \
+    cleanup.sh
+
 RUN create-service-user.sh --name solr /data && \
     cleanup.sh