diff --git a/.github/workflows/deploy_terraform.yml b/.github/workflows/deploy_terraform.yml
index def2a6dc..4ac08e41 100644
--- a/.github/workflows/deploy_terraform.yml
+++ b/.github/workflows/deploy_terraform.yml
@@ -141,6 +141,10 @@ jobs:
       ecr_repo: condition-etl-${{ needs.determine_stage.outputs.stage }}
       dockerfile_path: backend/condition/handler/Dockerfile
       build_context: .
+      build_args: |
+        DEV_DB_HOST=$DEV_DB_HOST
+        DEV_DB_PORT=$DEV_DB_PORT
+        DEV_DB_NAME=$DEV_DB_NAME
     secrets:
       AWS_ACCESS_KEY_ID: ${{ secrets.DEV_AWS_ACCESS_KEY_ID }}
       AWS_SECRET_ACCESS_KEY: ${{ secrets.DEV_AWS_SECRET_ACCESS_KEY }}
diff --git a/backend/condition/handler/Dockerfile b/backend/condition/handler/Dockerfile
index 96035838..031d981e 100644
--- a/backend/condition/handler/Dockerfile
+++ b/backend/condition/handler/Dockerfile
@@ -2,18 +2,18 @@ FROM public.ecr.aws/lambda/python:3.11
 # For local running:
 # FROM python:3.11.10-bullseye
 
-# ARG DEV_DB_HOST
-# ARG DEV_DB_PORT
-# ARG DEV_DB_NAME
+ARG DEV_DB_HOST
+ARG DEV_DB_PORT
+ARG DEV_DB_NAME
 
 
 # Set working directory (Lambda task root)
 WORKDIR /var/task
 
 # Environment
-# ENV DB_HOST=${DEV_DB_HOST}
-# ENV DB_PORT=${DEV_DB_PORT}
-# ENV DB_NAME=${DEV_DB_NAME}
+ENV DB_HOST=${DEV_DB_HOST}
+ENV DB_PORT=${DEV_DB_PORT}
+ENV DB_NAME=${DEV_DB_NAME}
 
 COPY backend/.env.local backend/.env.local
 
diff --git a/backend/condition/handler/handler.py b/backend/condition/handler/handler.py
index 11e10997..43b15536 100644
--- a/backend/condition/handler/handler.py
+++ b/backend/condition/handler/handler.py
@@ -4,14 +4,14 @@ import os
 
 # from io import BytesIO
 
-# from backend.condition.condition_trigger_request import ConditionTriggerRequest
-# from backend.condition.lookups.uprn_lookup_s3 import UprnLookupS3
-# from backend.condition.processor import process_file
-# from utils.logger import setup_logger
-# from utils.s3 import read_io_from_s3
+from backend.condition.condition_trigger_request import ConditionTriggerRequest
+from backend.condition.lookups.uprn_lookup_s3 import UprnLookupS3
+from backend.condition.processor import process_file
+from utils.logger import setup_logger
+from utils.s3 import read_io_from_s3
 
 
-# logger = setup_logger()
+logger = setup_logger()
 
 
 def handler(event: Mapping[str, Any], context: Any) -> None: