Actions bugfix

Author: source-nerd

.github/workflows/docker-image.yml

@@ -8,7 +8,7 @@ on:
 
 env:
   IMAGE_NAME: us-data-downloader-yfinance
-  VERSION: latest
+
 jobs:
 
   build:
@@ -18,7 +18,8 @@ jobs:
     steps:
     - name: Set environment variables
       run: |
-        echo "VERSION=${date +%s}" >> $GITHUB_ENV
+        echo "VERSION=$(date +%s)" >> $GITHUB_ENV
+        echo "VERSION=${VERSION}"
     - uses: actions/checkout@v2
     - name: Build the Docker image
       run: docker build . --file Dockerfile --tag $IMAGE_NAME:${VERSION}