immich: migrate postgres from deprecated pgvecto.rs to VectorChord

immich-server auto-updated to v3.0.1 via watchtower but postgres stayed
pinned to the old pgvecto.rs image, causing a crash loop (missing vector
extension). Per official Immich migration guide.

immich/docker-compose.yaml

@@ -60,7 +60,7 @@ services:
 
   database:
     container_name: immich_postgres
-    image: docker.io/tensorchord/pgvecto-rs:pg14-v0.2.0@sha256:739cdd626151ff1f796dc95a6591b55a714f341c737e27f045019ceabf8e8c52
+    image: ghcr.io/immich-app/postgres:14-vectorchord0.4.3-pgvectors0.2.0
     labels:
       - com.centurylinklabs.watchtower.enable=false
     environment:
@@ -71,14 +71,13 @@ services:
     volumes:
       # Do not edit the next line. If you want to change the database storage location on your system, edit the value of DB_DATA_LOCATION in the .env file
       - ${DB_DATA_LOCATION}:/var/lib/postgresql/data
+    shm_size: 128mb
     healthcheck:
       test: >-
         pg_isready --dbname="$${POSTGRES_DB}" --username="$${POSTGRES_USER}" || exit 1; Chksum="$$(psql --dbname="$${POSTGRES_DB}" --username="$${POSTGRES_USER}" --tuples-only --no-align --command='SELECT COALESCE(SUM(checksum_failures), 0) FROM pg_stat_database')"; echo "checksum failure count is $$Chksum"; [ "$$Chksum" = '0' ] || exit 1
       interval: 5m
       #start_interval: 30s
       start_period: 5m
-    command: >-
-      postgres -c shared_preload_libraries=vectors.so -c 'search_path="$$user", public, vectors' -c logging_collector=on -c max_wal_size=2GB -c shared_buffers=512MB -c wal_compression=on
     restart: always
 
 volumes: