Merge pull request #4240 from tdonohue/update_solr_in_Docker

Update Docker Compose scripts for Solr 9 compatibility

Author: tdonohue

docker/docker-compose-ci.yml

@@ -93,7 +93,10 @@ services:
     volumes:
     # Keep Solr data directory between reboots
     - solr_data:/var/solr/data
-    # Initialize all DSpace Solr cores using the mounted configsets (see above), then start Solr
+    # NOTE: We are not running Solr as "root", but we need root permissions to copy our cores to the mounted
+    # /var/solr/data directory. Then we start Solr as the "solr" user.
+    user: root
+    # Initialize all DSpace Solr cores, then start Solr
     entrypoint:
     - /bin/bash
     - '-c'
@@ -111,7 +114,8 @@ services:
       cp -r /opt/solr/server/solr/configsets/qaevent/* qaevent
       precreate-core suggestion /opt/solr/server/solr/configsets/suggestion
       cp -r /opt/solr/server/solr/configsets/suggestion/* suggestion
-      exec solr -f
+      chown -R solr:solr /var/solr
+      runuser -u solr -- solr-foreground
 volumes:
   assetstore:
   pgdata:

docker/docker-compose-rest.yml

@@ -97,11 +97,16 @@ services:
     volumes:
     # Keep Solr data directory between reboots
     - solr_data:/var/solr/data
+    # NOTE: We are not running Solr as "root", but we need root permissions to copy our cores to the mounted
+    # /var/solr/data directory. Then we start Solr as the "solr" user.
+    user: root
     # Initialize all DSpace Solr cores using the mounted local configsets (see above), then start Solr
     # * First, run precreate-core to create the core (if it doesn't yet exist). If exists already, this is a no-op
     # * Second, copy configsets to this core:
     #   Updates to Solr configs require the container to be rebuilt/restarted:
     #   `docker compose -p d7 -f docker/docker-compose.yml -f docker/docker-compose-rest.yml up -d --build dspacesolr`
+    # * Third, ensure all new folders are owned by "solr" user
+    # * Finally, start Solr as the "solr" user via the provided solr-foreground script
     entrypoint:
     - /bin/bash
     - '-c'
@@ -119,7 +124,8 @@ services:
       cp -r /opt/solr/server/solr/configsets/qaevent/* qaevent
       precreate-core suggestion /opt/solr/server/solr/configsets/suggestion
       cp -r /opt/solr/server/solr/configsets/suggestion/* suggestion
-      exec solr -f
+      chown -R solr:solr /var/solr
+      runuser -u solr -- solr-foreground
 volumes:
   assetstore:
   pgdata: