Fix registry login condition in workflow

Author: BeomSeokYu

.github/workflows/cicd.yml

@@ -8,6 +8,8 @@ on:
 env:
   IMAGE_NAME: algorithm-blog
   REGISTRY_HOST: ${{ secrets.REGISTRY_HOST }}
+  REGISTRY_USERNAME: ${{ secrets.REGISTRY_USERNAME }}
+  REGISTRY_PASSWORD: ${{ secrets.REGISTRY_PASSWORD }}
 
 jobs:
   build-and-push:
@@ -21,7 +23,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Login to registry (optional)
-        if: ${{ secrets.REGISTRY_USERNAME != '' && secrets.REGISTRY_PASSWORD != '' }}
+        if: ${{ env.REGISTRY_USERNAME != '' && env.REGISTRY_PASSWORD != '' }}
         uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY_HOST }}

deploy/cicd.yml

@@ -8,6 +8,8 @@ on:
 env:
   IMAGE_NAME: algorithm-blog
   REGISTRY_HOST: ${{ secrets.REGISTRY_HOST }}
+  REGISTRY_USERNAME: ${{ secrets.REGISTRY_USERNAME }}
+  REGISTRY_PASSWORD: ${{ secrets.REGISTRY_PASSWORD }}
 
 jobs:
   build-and-push:
@@ -21,7 +23,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Login to registry (optional)
-        if: ${{ secrets.REGISTRY_USERNAME != '' && secrets.REGISTRY_PASSWORD != '' }}
+        if: ${{ env.REGISTRY_USERNAME != '' && env.REGISTRY_PASSWORD != '' }}
         uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY_HOST }}