refactor: update Docker workflows to use reusable configuration and restrict branch triggers to 'main' (#15)

* refactor: update Docker workflows to use reusable configuration and restrict branch triggers to 'main'

.github/workflows/docker-images-reusable.yml

@@ -0,0 +1,57 @@
+name: Docker Image Build & Push
+
+on:
+  workflow_call:
+    inputs:
+      service_name:
+        required: true
+        type: string
+      build_dir:
+        required: true
+        type: string
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Login to GitHub Container Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set Docker Image Tag
+        id: set-tag
+        run: |
+          LOWERCASE_REPO=$(echo "${{ github.repository_owner }}" | tr '[:upper:]' '[:lower:]')
+          BASE_IMAGE=ghcr.io/$LOWERCASE_REPO/datamate-${{ inputs.service_name }}
+          if [[ $GITHUB_REF == refs/tags/v* ]]; then
+            TAG=${GITHUB_REF#refs/tags/v}
+            echo "TAGS=$BASE_IMAGE:$TAG" >> $GITHUB_OUTPUT
+          elif [[ $GITHUB_REF == refs/heads/main ]]; then
+            echo "TAGS=$BASE_IMAGE:latest" >> $GITHUB_OUTPUT
+          else
+            echo "TAGS=$BASE_IMAGE:temp" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Build Docker Image
+        run: |
+          make build-${{ inputs.service_name }} VERSION=latest
+
+      - name: Tag Docker Image
+        run: |
+          docker tag datamate-${{ inputs.service_name }}:latest ${{ steps.set-tag.outputs.TAGS }}
+
+      - name: Push Docker Image
+        if: github.event_name != 'pull_request'
+        run: |
+          docker push ${{ steps.set-tag.outputs.TAGS }}
+