diff --git a/.gitignore b/.gitignore
index 4c2285469..07b8a79ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@ __pycache__
 .media
 data/**/*
 !data/.gitkeep
+!data/preview_env_seed.zip
 .next
 
 conf/env
diff --git a/bin/ck_setup.sh b/bin/ck_setup.sh
index 02dfd9e74..6f98a98be 100755
--- a/bin/ck_setup.sh
+++ b/bin/ck_setup.sh
@@ -1,4 +1,9 @@
 #!/bin/bash
+
+# NB: Keep the resulting database state up to date with data/post_ck_setup_db_export.psql
+# (excluding the `python manage.py seed` command) in order to keep the preview environments
+# in-sync with the dev environments.
+
 echo '';
 echo '------------------------------------';
 echo '';
@@ -32,14 +37,6 @@ python manage.py migrate
 python manage.py createcachetable
 echo "Done"
 
-echo '';
-echo '------------------------------------';
-echo '';
-echo 'Seeding database...';
-echo '';
-echo '------------------------------------';
-python manage.py seed
-
 echo '';
 echo '------------------------------------';
 echo '';
@@ -65,6 +62,14 @@ curl 'https://researchbriefings.files.parliament.uk/documents/CBP-10009/HoC-GE20
   -o data/2024_general_election.csv
 python manage.py import_last_election_data
 
+echo '';
+echo '------------------------------------';
+echo '';
+echo 'Seeding database...';
+echo '';
+echo '------------------------------------';
+python manage.py seed
+
 echo '';
 echo '------------------------------------';
 echo '';
@@ -82,3 +87,7 @@ echo '';
 echo 'Setup complete!';
 echo '';
 echo '------------------------------------';
+
+# NB: Keep the resulting database state up to date with data/post_ck_setup_db_export.psql
+# (excluding the `python manage.py seed` command) in order to keep the preview environments
+# in-sync with the dev environments.
diff --git a/data/preview_env_seed.zip b/data/preview_env_seed.zip
new file mode 100644
index 000000000..76bc54567
Binary files /dev/null and b/data/preview_env_seed.zip differ
diff --git a/docker-compose.yml b/docker-compose.yml
index 8cb364685..6f64e99e2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -22,7 +22,7 @@ services:
   web:
     image: mysociety/local-intelligence-hub:${TAG:-latest}
     build: .
-    command: /app/script/server --development
+    command: .venv/bin/python manage.py runserver 0.0.0.0:8000
     volumes:
       - .:/app
     depends_on:
diff --git a/render.yaml b/render.yaml
index 39997a727..68bd5e079 100644
--- a/render.yaml
+++ b/render.yaml
@@ -57,7 +57,12 @@ services:
   # SEED_AIRTABLE_PLEDGELIST_API_KEY, SEED_AIRTABLE_PLEDGELIST_BASE_ID, SEED_AIRTABLE_PLEDGELIST_TABLE_NAME
   # SEED_AIRTABLE_DATASOURCE_API_KEY, SEED_AIRTABLE_DATASOURCE_BASE_ID, SEED_AIRTABLE_DATASOURCE_TABLE_NAME
   # SEED_AIRTABLE_EVENTS_API_KEY, SEED_AIRTABLE_EVENTS_BASE_ID, SEED_AIRTABLE_EVENTS_TABLE_NAME
-  preDeployCommand: python manage.py migrate && python manage.py createcachetable && python manage.py seed
+  preDeployCommand: >
+    python manage.py migrate &&
+    python manage.py createcachetable &&
+    unzip data/preview_env_seed.zip -d data &&
+    cat data/preview_env_seed.psql | python manage.py dbshell &&
+    python manage.py seed
   healthCheckPath: /
   buildFilter:
     ignoredPaths: