Explciitly set the DBENGINE so these are correct out of the box

docker/compose/docker-compose.portainer.yml

@@ -56,6 +56,7 @@ services:
     environment:
       PAPERLESS_REDIS: redis://broker:6379
       PAPERLESS_DBHOST: db
+      PAPERLESS_DBENGINE: postgres
     env_file:
       - stack.env
 volumes:

docker/compose/docker-compose.postgres-tika.yml

@@ -62,6 +62,7 @@ services:
     environment:
       PAPERLESS_REDIS: redis://broker:6379
       PAPERLESS_DBHOST: db
+      PAPERLESS_DBENGINE: postgres
       PAPERLESS_TIKA_ENABLED: 1
       PAPERLESS_TIKA_GOTENBERG_ENDPOINT: http://gotenberg:3000
       PAPERLESS_TIKA_ENDPOINT: http://tika:9998

docker/compose/docker-compose.postgres.yml

@@ -56,6 +56,7 @@ services:
     environment:
       PAPERLESS_REDIS: redis://broker:6379
       PAPERLESS_DBHOST: db
+      PAPERLESS_DBENGINE: postgres
 volumes:
   data:
   media:

docker/compose/docker-compose.sqlite-tika.yml

@@ -51,6 +51,7 @@ services:
     env_file: docker-compose.env
     environment:
       PAPERLESS_REDIS: redis://broker:6379
+      PAPERLESS_DBENGINE: sqlite
       PAPERLESS_TIKA_ENABLED: 1
       PAPERLESS_TIKA_GOTENBERG_ENDPOINT: http://gotenberg:3000
       PAPERLESS_TIKA_ENDPOINT: http://tika:9998

docker/compose/docker-compose.sqlite.yml

@@ -42,6 +42,7 @@ services:
     env_file: docker-compose.env
     environment:
       PAPERLESS_REDIS: redis://broker:6379
+      PAPERLESS_DBENGINE: sqlite
 volumes:
   data:
   media: