chore: add a workflow to push images!

Signed-off-by: Rudraksh Pareek <[email protected]>

.github/workflows/push-image.yaml

@@ -0,0 +1,46 @@
+name: build accuknox-job image workflow
+
+on:
+  push:
+    tags:
+    - '*'
+    branches:
+    - "main"
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_HUB_USER }}
+          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
+
+      - name: Determine version
+        id: vars
+        run: |
+          if [ ${{ github.ref }} == "refs/heads/main" ]; then
+            echo "tag=latest" >> $GITHUB_OUTPUT
+          else
+            echo "tag=${GITHUB_REF#refs/*/}" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Set git ssh private key
+        run: echo "${{ secrets.GIT_KEY }}" > GIT-KEY
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          # equivalent of make docker-build
+          context: .
+          file: Dockerfile
+          push: true
+          tags: accuknox/accuknox-job:${{ steps.vars.outputs.tag }}