diff --git a/README.md b/README.md
index dc54313..f78b0b3 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,7 @@ Deployment of this service is now done through terraform cloud.
 - `FORECAST_ERROR_HOURS` - using route `/v0/system/GBstatus/check_last_forecast_run` we can check if a forecast has
         been made in the last `FORECAST_ERROR_HOURS` hours
 - `ADJUST_MW_LIMIT` - the maximum the api is allowed to adjust the national forecast by
+- `FAKE` - This allows fake data to be used, rather than connecting to a database
 
 ## Routes to SQL tables
 
diff --git a/test-docker-compose.yml b/test-docker-compose.yml
index 1870d6a..d2248a2 100644
--- a/test-docker-compose.yml
+++ b/test-docker-compose.yml
@@ -21,6 +21,8 @@ services:
       - DB_URL_PV=postgresql://postgres:postgres@postgres_db:5432/postgres
       - GIT_PYTHON_REFRESH=quiet
       - LOG_LEVEL=DEBUG
+      - CACHE_TIME_SECONDS=0
+      - DELETE_CACHE_TIME_SECONDS=0
     command: >
       bash -c "pytest --cov=./src
       && coverage report -m