Try pocketid without the DATA_ROOT variable

pocketid/.env.example

@@ -3,5 +3,3 @@ TRUST_PROXY=
 MAXMIND_LICENSE_KEY=
 PUID=
 PGID=
-
-DATA_ROOT=

pocketid/docker-compose.yml

@@ -6,11 +6,7 @@ services:
     ports:
       - 3043:80
     volumes:
-      - ${DATA_ROOT}:/app/backend/data
+      - "./data:/app/backend/data"
-    environment:
-      - SQLITE_DB_PATH=${DATA_ROOT}/pocket-id.db
-      - UPLOAD_PATH=${DATA_ROOT}/uploads
-      - GEOLITE_DB_PATH=${DATA_ROOT}/GeoLite2-City.mmdb
     # Optional healthcheck
     healthcheck:
       test: "curl -f http://localhost/health"