GHA fixes

.github/workflows/docker-build.yml

@@ -14,9 +14,6 @@ jobs:
       - uses: actions/checkout@v2
 
       # set environment
-      - name: Set APP_VERSION env
-        run: echo "APP_VERSION=$(echo ${GITHUB_REF} | rev | cut -d'/' -f 1 | rev )" >> $GITHUB_ENV
-
       - name: Set BUILD_TIME env
         run: echo "BUILD_TIME=$(date)" >> $GITHUB_ENV
 
@@ -45,17 +42,17 @@ jobs:
             app_version=${github_tag}
 
             container_images=$(cat <<END_HEREDOC
-            ${base}:${github_tag}
-            END_HEREDOC
-            )
+          ${base}:${github_tag}
+          END_HEREDOC
+          )
           
           ## Set 'latest' image tag if 'main' or 'master'
           ## branch is pushed
           ##
           elif [[ '${{ github.ref }}' == 'refs/heads/master' || '${{ github.ref }}' == 'refs/heads/main' ]]; then
             container_images=$(cat <<END_HEREDOC
-            ${base}:latest
-            END_HEREDOC
+          ${base}:latest
+          END_HEREDOC
             )
           fi