feat: traefik 3

.github/workflows/traefik3.yml

@@ -0,0 +1,40 @@
+name: Build traefik3 with OpenSSL
+
+on:
+  push:
+    branches:
+      - **
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to GitHub Packages
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+      pull-requests: write
+      security-events: write
+      id-token: write
+      attestations: write
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - name: Get image version
+        id: getversion
+        run: echo "version=$(head -n 1 traefik3/Dockerfile | sed -r -e 's/^([^:]+):([^ @$-]+).*/\2/')" >> "${GITHUB_OUTPUT}"
+
+      - name: Build and push image
+        uses: ./.github/actions/build-docker-image
+        with:
+          context: traefik3
+          push: ${{ github.base_ref == null }}
+          cache-from: type=gha,scope=traefik3
+          cache-to: type=gha,mode=max,scope=traefik3
+          no-cache: ${{ github.event_name == 'workflow_dispatch' }}
+          primaryTag: ghcr.io/automattic/vip-container-images/traefik3_openssl:${{ steps.getversion.outputs.version }}
+          tags: ghcr.io/automattic/vip-container-images/traefik3_openssl:latest

traefik3/Dockerfile

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+FROM traefik:v3.2.0@sha256:66e37237b371f2b25ce5f247cc371976929dcb18c041e05685f1de1df6422b72
+
+RUN apk upgrade --no-cache && apk add --no-cache openssl