Add image build CI (#2)

* feat: add image build CI

Signed-off-by: Anthony Rabbito <arabbito@coreweave.com>

* chore: drop all upstream CI

Signed-off-by: Anthony Rabbito <arabbito@coreweave.com>

* fix: logging into registry twice

Signed-off-by: Anthony Rabbito <arabbito@coreweave.com>

---------

Signed-off-by: Anthony Rabbito <arabbito@coreweave.com>

.github/workflows/publish-image.yml

@@ -0,0 +1,55 @@
+---
+  # yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
+  name: "Container: Image Build"
+  on:
+    workflow_dispatch:
+      inputs:
+        version:
+          description: Version to tag the container with
+          required: true
+          type: string
+        publish:
+          description: Publish the container to the registry
+          required: true
+          type: boolean
+          default: false
+
+  jobs:
+    publish-images:
+      name: Publish Image
+      permissions:
+        contents: write
+        packages: write
+      runs-on: ubuntu-22.04
+
+      steps:
+        - name: Checkout repository
+          uses: actions/checkout@v4
+          with:
+            fetch-depth: 0
+
+        - name: Log into registry ghcr.io
+          uses: docker/login-action@v3.3.0
+          with:
+            registry: ghcr.io
+            username: ${{ github.actor }}
+            password: ${{ secrets.GITHUB_TOKEN }}
+
+        - name: Set up QEMU
+          uses: docker/setup-qemu-action@v3.2.0
+
+        - name: Set up Docker Buildx
+          uses: docker/setup-buildx-action@v3.6.1
+
+        - name: Build and publish image
+          env:
+            DOCKER_BUILDX_ARGS: "--load --cache-from type=gha --cache-to type=gha,mode=max"
+          run: |
+            make build-webui-image
+            make build-image-dirty
+
+        - name: Push image
+          if: ${{inputs.publish}}
+          run: |
+            docker tag traefik/traefik ghcr.io/${{ github.repository }}:${{ inputs.version }}-${GITHUB_SHA::7}
+            docker push ghcr.io/${{ github.repository }}:${{ inputs.version }}-${GITHUB_SHA::7}