Add the date as a docker tag

Author: sj14

.github/workflows/build.yml

@@ -35,6 +35,7 @@ jobs:
             --file=Dockerfile \
             --tag="$IMAGE_NAME:latest" \
             --tag="$IMAGE_NAME:debian" \
+            --tag="$IMAGE_NAME:debian-$(date --rfc-3339=date)" \
             --label="org.opencontainers.image.source=$GITHUB_SERVER_URL/$GITHUB_REPOSITORY" \
             --label="org.opencontainers.image.revision=$GITHUB_SHA" \
             --label="org.opencontainers.image.created=$(date --rfc-3339=seconds)"
@@ -48,6 +49,7 @@ jobs:
             --pull=true \
             --file=Dockerfile-alpine \
             --tag="$IMAGE_NAME:alpine" \
+            --tag="$IMAGE_NAME:alpine-$(date --rfc-3339=date)" \
             --label="org.opencontainers.image.source=$GITHUB_SERVER_URL/$GITHUB_REPOSITORY" \
             --label="org.opencontainers.image.revision=$GITHUB_SHA" \
             --label="org.opencontainers.image.created=$(date --rfc-3339=seconds)"
@@ -76,8 +78,8 @@ jobs:
           echo "${{ secrets.GITHUB_TOKEN }}" | docker login docker.pkg.github.com \
             -u ${{ github.actor }} --password-stdin
 
-          TAG_DEBIAN=docker.pkg.github.com/$GITHUB_REPOSITORY/debian
-          TAG_ALPINE=docker.pkg.github.com/$GITHUB_REPOSITORY/alpine
+          TAG_DEBIAN=docker.pkg.github.com/$GITHUB_REPOSITORY/debian:$(date --rfc-3339=date)
+          TAG_ALPINE=docker.pkg.github.com/$GITHUB_REPOSITORY/alpine:$(date --rfc-3339=date)
           docker tag $IMAGE_NAME:debian $TAG_DEBIAN
           docker tag $IMAGE_NAME:alpine $TAG_ALPINE
           docker push $TAG_DEBIAN