diff --git a/shared.py b/shared.py
index 69324d0..d7f065d 100644
--- a/shared.py
+++ b/shared.py
@@ -9,15 +9,18 @@ ICON["Import"]="fa-file-upload"
 ICON["Storage"]="fa-database"
 ICON["Bin"]="fa-trash-alt"
 
-if hostname == PROD_HOST:
-    PA_JOB_MANAGER_HOST="192.168.0.2"
-    DB_URL = 'postgresql+psycopg2://pa:for_now_pa@192.168.0.2:55432/pa'
-elif hostname == "lappy":
+if hostname == "lappy":
     PA_JOB_MANAGER_HOST="localhost"
     DB_URL = 'postgresql+psycopg2://pa:for_now_pa@localhost:5432/pa'
-else:
+elif os.environ['FLASK_ENV'] == "development":
     PA_JOB_MANAGER_HOST="localhost"
-    DB_URL = 'postgresql+psycopg2://pa:for_now_pa@mara.ddp.net:55432/pa'
+    DB_URL = 'postgresql+psycopg2://pa:for_now_pa@mara.ddp.net:65432/pa'
+elif os.environ['FLASK_ENV'] == "production":
+    PA_JOB_MANAGER_HOST="192.168.0.2"
+    DB_URL = 'postgresql+psycopg2://pa:for_now_pa@padb/pa'
+else:
+    print( "ERROR: I do not know which environment (development, etc.) and which DB (on which host to use)" )
+    exit( -1 )
 
 PA_JOB_MANAGER_PORT=55430
 
diff --git a/wrapper.sh b/wrapper.sh
index 126def4..bd19ce3 100755
--- a/wrapper.sh
+++ b/wrapper.sh
@@ -1,4 +1,4 @@
 #!/bin/bash
 
 su mythtv -g mythtv -c "python3 /code/pa_job_manager.py" &
-gunicorn --bind=0.0.0.0:443 --workers=4 --threads=16 --certfile /etc/letsencrypt/live/pa.depaoli.id.au/fullchain.pem --keyfile /etc/letsencrypt/live/pa.depaoli.id.au/privkey.pem main:app --preload
+gunicorn --bind=0.0.0.0:443 --workers=4 --threads=16 --certfile /etc/letsencrypt/live/pa.depaoli.id.au/fullchain.pem --keyfile /etc/letsencrypt/live/pa.depaoli.id.au/privkey.pem main:app --env FLASK_ENV="production"