Added release workflow

.github/workflows/release.yml

@@ -0,0 +1,59 @@
+name: Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        required: true
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        id: buildx
+
+      - name: Login DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USER }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Publish multi-arch Docker image
+        uses: docker/build-push-action@v5
+        with:
+          push: true
+          builder: ${{ steps.buildx.outputs.name }}
+          context: .
+          file: ./Dockerfile
+          # TODO: linux/arm64
+          platforms: linux/amd64
+          # TODO: point to mariadb/maxscale
+          tags: |
+            mariadbmmontes/enterprise-server:${{ github.event.inputs.version }}-ubi
+          labels: |
+            org.opencontainers.image.title=MariaDB MaxScale
+            org.opencontainers.image.description=MariaDB MaxScale is a database proxy that extends the high availability, scalability, and security of MariaDB Server
+            org.opencontainers.image.source=${{ github.event.repository.html_url }}
+            org.opencontainers.image.url=${{ github.event.repository.html_url }}
+            org.opencontainers.image.revision=${{ github.sha }}
+            org.opencontainers.image.version=${{ github.event.inputs.version }}
+
+      - name: Preflight image
+        run: make preflight-image-submit
+        env:
+          # TODO: point to mariadb/maxscale
+          IMAGE_NAME: mariadbmmontes/enterprise-server
+          MXS_VERSION: ${{ github.event.inputs.version }}
+          REDHAT_API_KEY: "${{ secrets.REDHAT_API_KEY }}"
+          REDHAT_PROJECT_ID: "${{ secrets.REDHAT_PROJECT_ID }}"

Makefile

@@ -1,9 +1,10 @@
-IMAGE_NAME := mariadb/maxscale
+# TODO: pin IMAGE_NAME
+IMAGE_NAME ?= mariadb/maxscale
 MXS_VERSION ?=
 IMAGE_TAG := $(IMAGE_NAME):$(MXS_VERSION)-ubi
 USAGE := "Usage: make build-image MXS_VERSION=<mxs-version>"
-REDHAT_PROJECT_ID ?= ""
-REDHAT_API_KEY ?= ""
+REDHAT_PROJECT_ID ?=
+REDHAT_API_KEY ?=
 DOCKER_CONFIG ?= $(HOME)/.docker/config.json
 
 ## Location to install dependencies to