[exporters] deps: add docker image and publishing github action workflow

Author: AndreyMarkinPPC

.github/workflows/push-garf-exporter-to-github-packages.yaml

@@ -0,0 +1,44 @@
+name: Push garf-exporter to Github Packages
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'The semantic version to publish (1.0.0)'
+        required: true
+        type: string
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository_owner }}/garf-exporter
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        with:
+          context: libs/exporters/.
+          push: true
+          tags: ${{ github.event.inputs.version }}
+          labels: ${{ github.event.inputs.version }}

libs/exporters/Dockerfile

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+FROM python:3.12-alpine
+ENV PYTHONDONTWRITEBYTECODE=1
+RUN apk --no-cache add curl
+WORKDIR /app
+ADD requirements.txt .
+RUN pip install --require-hashes -r requirements.txt --no-deps
+ENV APP_PORT 8000
+ENTRYPOINT ["garf-exporter"]
+HEALTHCHECK --interval=1m \
+  --timeout=10s \
+  --retries=3 --start-period=2m \
+  CMD curl -f http://localhost:$APP_PORT/health || exit 1

libs/exporters/requirements.in

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+garf-exporter