Improve Docker labels (follow-up to #972) (#1067)

- Update OCI labels using docker/metadata-action + documentation and vendor
- Override labels from base image
- Update docker/metadata-action version.

Author: Mr0grog

.github/workflows/release.yaml

@@ -13,31 +13,34 @@ jobs:
 
       - name: Docker image metadata
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: webrecorder/browsertrix-crawler
           tags: |
             type=semver,pattern={{version}}
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
         with:
           platforms: arm64
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4
+
       - name: Login to DockerHub
         uses: docker/login-action@v4
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
+
       - name: Build and push
         id: docker_build
         uses: docker/build-push-action@v7
         with:
           context: .
           push: true
           tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
           platforms: "linux/amd64,linux/arm64"
           build-args: |
             MINIMIZE_IMAGE_SIZE=1

Dockerfile

@@ -4,9 +4,7 @@ ARG BROWSER_IMAGE_BASE=webrecorder/browsertrix-browser-base:brave-${BROWSER_VERS
 FROM ${BROWSER_IMAGE_BASE}
 
 LABEL org.opencontainers.image.vendor="Webrecorder <https://webrecorder.net/>"
-LABEL org.opencontainers.image.source="https://github.com/webrecorder/browsertrix-crawler"
 LABEL org.opencontainers.image.documentation="https://crawler.docs.browsertrix.com/"
-LABEL org.opencontainers.image.licenses="AGPL-3.0-or-later"
 
 # set to 1 to minimize size for prod, but longer build time, otherwise faster build and rebuild but larger image
 ARG MINIMIZE_IMAGE_SIZE=0