add docker ci (#19)

* add docker ci

* update branch

.github/workflows/docker-ci.yml

@@ -0,0 +1,59 @@
+name: docker-ci
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+
+env:
+  DOCKER_REPOSITORY: edgelevel
+  DOCKER_IMAGE_NAME: lastpass-operator
+
+jobs:
+  docker:
+    name: Docker
+    runs-on: ubuntu-latest
+    # makes sure it doesn't finish the minutes quota if stalls
+    timeout-minutes: 10
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      # extracts tag from ref, returns semver tag or sha suffix
+      - name: Get Docker tag
+        id: get-docker-tag
+        env:
+          GITHUB_REF: ${{ github.ref }}
+          COMMIT_SHA: ${{ github.sha }}
+        run: |
+          if [[ ${{ github.ref_type }} == "tag" ]]; then
+            echo "tag=${GITHUB_REF#refs/tags/v}" >> ${GITHUB_OUTPUT}
+          else
+            echo "tag=${COMMIT_SHA:0:7}" >> ${GITHUB_OUTPUT}
+          fi
+      
+      - name: Output Docker tag
+        run: echo ${{ steps.get-docker-tag.outputs.tag }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      # gh-actions-rw
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push [${{ env.DOCKER_IMAGE_NAME }}]
+        uses: docker/build-push-action@v6
+        with:
+          build-args: |
+            VERSION_COMMIT=${{ steps.get-docker-tag.outputs.tag }}
+          # if false it will only build
+          push: true
+          tags: |
+            ${{ env.DOCKER_REPOSITORY }}/${{ env.DOCKER_IMAGE_NAME }}:latest
+            ${{ env.DOCKER_REPOSITORY }}/${{ env.DOCKER_IMAGE_NAME }}:${{ steps.get-docker-tag.outputs.tag }}