reenable the container testing step

thank you Docker docs: https://docs.docker.com/build/ci/github-actions/test-before-push/

.github/workflows/build_container_images.yml

@@ -17,6 +17,7 @@ on:
 
 env:
   server_repo: ${{ inputs.tachidesk_release_type == 'stable' && 'Tachidesk-Server' || 'Tachidesk-Server-prevew' }}
+  test_image_tag: ghcr.io/suwayomi/tachidesk:testing
 
 jobs:
   build_stable:
@@ -34,7 +35,6 @@ jobs:
         uses: docker/setup-qemu-action@v2
 
       - name: Set up Docker Buildx
-        id: buildx
         uses: docker/setup-buildx-action@v2
 
       - name: Login to GitHub Container Registry
@@ -44,7 +44,7 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: get latest release metadata
+      - name: Get latest release metadata
         id: get_latest_release_metadata
         run: |
           cd main
@@ -66,11 +66,53 @@ jobs:
           echo "tachidesk_docker_git_commit=$tachidesk_docker_git_commit" >> $GITHUB_OUTPUT
           echo "build_date=$build_date" >> $GITHUB_OUTPUT
 
-      - name: Build container image
+      # this only builds the amd64 version of the image, which is fine as that's
-        id: docker_build_release_ubuntu
+      # all that is needed to test the container on Github Actions' build servers (which are running amd64 CPUs)
+      - name: Build container image to test
+        uses: docker/build-push-action@v3
+        with:
+          load: true # this is important, as this tells build-push-action to save the container to the local docker daemon
+          build-args: |
+            BUILD_DATE=${{ steps.get_latest_release_metadata.outputs.build_date }}
+            IMAGE_VERSION=${{ steps.get_latest_release_metadata.outputs.release_version }}
+            TACHIDESK_GIT_COMMIT=${{ steps.get_latest_release_metadata.outputs.release_commit }}
+            TACHIDESK_RELEASE_TAG=${{ steps.get_latest_release_metadata.outputs.release_tag }}
+            TACHIDESK_RELEASE_DOWNLOAD_URL=${{ steps.get_latest_release_metadata.outputs.release_url }}
+            TACHIDESK_FILENAME=${{ steps.get_latest_release_metadata.outputs.release_filename }}
+            TACHIDESK_DOCKER_GIT_COMMIT=${{ steps.get_latest_release_metadata.outputs.tachidesk_docker_git_commit }}
+          tags: ${{ env.test_image_tag }}
+
+      # Launch the container and then hit the about API to verifiy that it can start up correctly.
+      - name: Test new container image
+        run: |
+            mkdir -p /home/runner/work/_temp/tachidesk
+            chmod -R 777 /home/runner/work/_temp/tachidesk
+            docker run --rm -d -p 127.0.0.1:4568:4567 -v /home/runner/work/_temp/tachidesk:/home/suwayomi/.local/share/Tachidesk --name=test_image_stable ${{ env.test_image_tag }}
+            sleep 15
+            cat /home/runner/work/_temp/tachidesk/logfile.log
+            curl -s 127.0.0.1:4568/api/v1/settings/about/ && val=$(curl -s 127.0.0.1:4568/api/v1/settings/about/ | grep -o "Tachidesk" | sort --unique)
+            if [[ $val == "Tachidesk" ]]; then
+                echo ""
+                echo "Tachidesk stable ubuntu run successfully"
+                echo "value=true" >> $GITHUB_OUTPUT
+                docker stop test_image_stable
+            else
+                echo ""
+                echo "Tachidesk stable ubuntu run Failed"
+                echo "value=false" >> $GITHUB_OUTPUT
+                curl \
+                  -F 'payload_json={"username": "Github", "content": "<@255018340244914177>\n<@106949211932606464>\nDocker ${{ inputs.tachidesk_release_type }} image dry run failed! 😢 Version - ${{ steps.get_latest_release_metadata.outputs.release_tag }}"}' \
+                  -F "file1=@/home/runner/work/_temp/tachidesk/logfile.log" \
+                  "https://discord.com/api/webhooks/${{ secrets.DISCORD_TACHIDESK_WEBHOOK_ID }}/${{ secrets.DISCORD_TACHIDESK_TOKEN }}"
+                fi
+                exit 1
+            fi
+
+      # Now we build for all of the platforms we support here. NB: the amd64
+      # won't be rebuilt since the local docker daemon has that still cached
+      - name: Push container image to registry
         uses: docker/build-push-action@v3
         with:
-          file: scripts/dockerfiles/Git_Actions-Dockerfile
           platforms: linux/amd64,linux/arm/v7,linux/arm64/v8,linux/ppc64le,linux/s390x
           push: true
           build-args: |
@@ -85,44 +127,13 @@ jobs:
             ghcr.io/suwayomi/tachidesk:latest
             ghcr.io/suwayomi/tachidesk:${{ inputs.tachidesk_release_type }}
             ghcr.io/suwayomi/tachidesk:${{ inputs.tachidesk_release_type == 'stable' && steps.get_latest_release_metadata.outputs.release_tag || steps.get_latest_release_metadata.outputs.release_var }}
-          cache-from: type=local,src=/tmp/.buildx-cache
-          cache-to: type=local,dest=/tmp/.buildx-cache
 
-      # - name: Docker Run Test Stable Ubuntu Image
+      - name: Send a Discord message through the webhook (preview build)
-      #   id: docker_run_test_image_stable
-      #   run: |
-      #       docker load --input /tmp/test_image_stable.tar
-      #       mkdir -p /home/runner/work/_temp/tachidesk
-      #       chmod -R 777 /home/runner/work/_temp/tachidesk
-      #       docker run --rm -d -p 127.0.0.1:4568:4567 -v /home/runner/work/_temp/tachidesk:/home/suwayomi/.local/share/Tachidesk --name=test_image_stable test-image:stable
-      #       sleep 15
-      #       cat /home/runner/work/_temp/tachidesk/logfile.log
-      #       curl -s 127.0.0.1:4568/api/v1/settings/about/ && val=$(curl -s 127.0.0.1:4568/api/v1/settings/about/ | grep -o "Tachidesk" | sort --unique)
-      #       if [[ $val == "Tachidesk" ]]; then
-      #           echo ""
-      #           echo "Tachidesk stable ubuntu run successfully"
-      #           echo "value=true" >> $GITHUB_OUTPUT
-      #           docker stop test_image_stable
-      #       else
-      #           echo ""
-      #           echo "Tachidesk stable ubuntu run Failed"
-      #           echo "value=false" >> $GITHUB_OUTPUT
-      #           curl \
-      #             -F 'payload_json={"username": "Github", "content": "<@255018340244914177>\n<@785012853178499073>\nDocker Stable Ubuntu Image Dry Run Failed Version - ${{ steps.get_latest_release_metadata.outputs.release_tag }}"}' \
-      #             -F "file1=@/home/runner/work/_temp/tachidesk/logfile.log" \
-      #             "https://discord.com/api/webhooks/${{ secrets.DISCORD_TACHIDESK_WEBHOOK_ID }}/${{ secrets.DISCORD_TACHIDESK_TOKEN }}"
-      #           fi
-      #           exit 1
-      #       fi
-
-      - name: discord webhook preview
         if: ${{ inputs.tachidesk_release_type == 'preview' }}
-        id: discord_webhook_preview
         run: |
           curl -H "Content-Type: application/json" -d '{"content": "Docker Preview Image Published!","embeds":[{"color":16729344,"author":{"name":"${{ github.repository_owner }}","icon_url":"https://avatars.githubusercontent.com/u/81182076","url":"https://github.com/${{ github.repository_owner }}"},"title":"Docker Preview Release","url":"https://github.com/${{ github.repository_owner }}/docker-tachidesk","fields":[{"name":"docker update","value":"docker pull ghcr.io/suwayomi/tachidesk:preview","inline":false},{"name":"docker run","value":"docker run -p 4567:4567 ghcr.io/suwayomi/tachidesk:preview","inline":false}],"thumbnail":{"url": "https://www.docker.com/sites/default/files/d8/2019-07/vertical-logo-monochromatic.png"},"description":"Tachidesk version - ${{ steps.get_latest_release_metadata.outputs.release_var }}"}]}' "https://discord.com/api/webhooks/${{ secrets.DISCORD_TACHIDESK_WEBHOOK_ID }}/${{ secrets.DISCORD_TACHIDESK_TOKEN }}"
 
-      - name: discord webhook stable
+      - name: Send a Discord message through the webhook (stable build)
         if: ${{ inputs.tachidesk_release_type == 'stable' }}
-        id: discord_webhook_stable
         run: |
           curl -H "Content-Type: application/json" -d '{"content": "Docker Stable Image Published!","embeds":[{"color":5409028,"author":{"name":"${{ github.repository_owner }}","icon_url":"https://avatars.githubusercontent.com/u/81182076","url":"https://github.com/${{ github.repository_owner }}"},"title":"Docker Stable Release","url":"https://github.com/${{ github.repository_owner }}/docker-tachidesk","fields":[{"name":"docker update","value":"docker pull ghcr.io/suwayomi/tachidesk:stable","inline":false},{"name":"docker run","value":"docker run -p 4567:4567 ghcr.io/suwayomi/tachidesk","inline":false}],"thumbnail":{"url": "https://www.docker.com/sites/default/files/d8/2019-07/vertical-logo-monochromatic.png"},"description":"Tachidesk version - ${{ steps.get_latest_release_metadata.outputs.release_tag }}"}]}' "https://discord.com/api/webhooks/${{ secrets.DISCORD_TACHIDESK_WEBHOOK_ID }}/${{ secrets.DISCORD_TACHIDESK_TOKEN }}"