diff --git a/.github/workflows/_build_image.yml b/.github/workflows/_build_image.yml
index 5d217607..89fd652e 100644
--- a/.github/workflows/_build_image.yml
+++ b/.github/workflows/_build_image.yml
@@ -34,7 +34,7 @@ on:
         required: true
       DEV_DB_HOST:
         required: false
-      dev_DB_HOST:
+      REAL_DB_HOST:
         required: false
 
 jobs:
@@ -82,7 +82,7 @@ jobs:
           done <<< "${{ inputs.build_args }}"
 
           echo "dev db host: $DEV_DB_HOST"
-          echo "dev db host: $dev_DB_HOST"
+          echo "dev db host: $REAL_DB_HOST"
           echo "aws_key_id: $AWS_ACCESS_KEY_ID"
       
           docker build \
diff --git a/.github/workflows/deploy_terraform.yml b/.github/workflows/deploy_terraform.yml
index dbf8e2b5..2a2a40ce 100644
--- a/.github/workflows/deploy_terraform.yml
+++ b/.github/workflows/deploy_terraform.yml
@@ -143,7 +143,7 @@ jobs:
       build_args: |
         JUNTE=best
         DEV_DB_HOST=$DEV_DB_HOST
-        dev_DB_HOST=$dev_DB_HOST
+        REAL_DB_HOST=$REAL_DB_HOST
         AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID
         AWS_REGION=$AWS_REGION
     secrets:
@@ -151,7 +151,7 @@ jobs:
       AWS_SECRET_ACCESS_KEY: ${{ secrets.DEV_AWS_SECRET_ACCESS_KEY }}
       AWS_REGION: ${{ secrets.DEV_AWS_REGION }}
       DEV_DB_HOST: ${{ secrets.DEV_DB_HOST }}
-      dev_DB_HOST: ${{ secrets.dev_DB_HOST }}
+      REAL_DB_HOST: ${{ secrets.dev_DB_HOST }}
 
   # ============================================================
   # Deploy Condition ETL Lambda
diff --git a/backend/condition/handler/Dockerfile b/backend/condition/handler/Dockerfile
index 5359f71b..5cb95532 100644
--- a/backend/condition/handler/Dockerfile
+++ b/backend/condition/handler/Dockerfile
@@ -12,8 +12,8 @@ ENV JUNTE=${JUNTE}
 ARG DEV_DB_HOST
 ENV DEV_DB_HOST=${DEV_DB_HOST}
 
-ARG dev_DB_HOST
-ENV dev_DB_HOST=${dev_DB_HOST}
+ARG REAL_DB_HOST
+ENV REAL_DB_HOST=${REAL_DB_HOST}
 
 ARG AWS_ACCESS_KEY_ID
 ENV AWS_ACCESS_KEY_ID=${AWS_ACCESS_KEY_ID}
diff --git a/backend/condition/handler/handler.py b/backend/condition/handler/handler.py
index 40a931c1..21fa6928 100644
--- a/backend/condition/handler/handler.py
+++ b/backend/condition/handler/handler.py
@@ -24,8 +24,8 @@ def handler(event: Mapping[str, Any], context: Any) -> None:
         os.getenv("DEV_DB_HOST", "empty db"),
     )
     print(
-        "hello dev DB HOST:",
-        os.getenv("dev_DB_HOST", "empty db"),
+        "hello REAL DB HOST:",
+        os.getenv("REAL_DB_HOST", "empty db"),
     )
     print(
         "hello access key",